Ottawa, Illinois

Population, housing costs, incomes, jobs, commuting and climate in Ottawa, compared with Illinois and the U.S. using Census records and their margins of error.

Ottawa city · Incorporated city · Census GEOID 1756926 · Illinois directory

Population · July 1, 2025
18,684 PEP Vintage 2025
Change · 2024 to 2025
-0.2% -35 residents
Household income
$71,413 ACS 2020–2024 · ±$9,059
Home value
$154,000 ACS 2020–2024 · ±$8,162
Monthly gross rent
$920 ACS 2020–2024 · ±$38
Median age
39.8 years ACS 2020–2024 · ±4.1
Ottawa, Illinois location in the United States Ottawa, Illinois
Census 2024 simplified state outlines; 2025 Gazetteer internal points. Alaska and Hawaii use separate insets. Approximate locator; city boundaries are not shown. Map sources.

Ottawa is an incorporated city in LaSalle County, Illinois, part of the Ottawa, IL micropolitan area. With 18,684 residents on July 1, 2025, it ranks 132nd in Illinois and 2,051st nationally among Census places. Its population fell by 35 (0.2%) in the year to July 2025; since April 2020 it has declined 0.7%. Median gross rent in the 2020–2024 survey is $920 a month, 27.8% below the Illinois median. Median household income is $71,413, 14.4% below the Illinois median.

What stands out in Ottawa?

Compared with other Illinois places, Ottawa is most distinctive for less remote and home-based work, fewer foreign-born residents and fewer long commutes. Each statement below uses reliable estimates only, and survey differences from the state exceed their combined 90% margin of error.

  • Workers who work from home: 5.2%, 10.7 percentage points below the Illinois rate (15.9%); lower than 97% of 396 Illinois places with reliable estimates. Only 9 of 396 Illinois places with reliable estimates are lower.
  • Foreign-born residents: 3.1%, 11.7 percentage points below the Illinois rate (14.7%); lower than 92% of 315 Illinois places with reliable estimates.
  • Commutes of 45 minutes or longer: 12.8%, 7.0 percentage points below the Illinois rate (19.7%); lower than 79% of 669 Illinois places with reliable estimates.
  • Population change since April 2020: -0.7%; higher than 79% of 1,233 Illinois places with reliable estimates.
  • Jobs located in the place per 100 residents: 53.7; higher than 76% of 757 Illinois places with reliable estimates.

How Ottawa compares with Illinois and the U.S.

City, state and U.S. figures · ACS 2020–2024, LODES 8.4 and PEP Vintage 2025 · position among Illinois places with reliable estimates
Measure Ottawa Illinois U.S. Position in Illinois
Population change since April 2020 PEP Vintage 2025 -0.7% — — higher than 79% of 1,233 Illinois places
Residents per square mile of land PEP 2025 / Gazetteer 2025 1,256 — — higher than 61% of 1,293 Illinois places
Median household income B19013 $71,413 ±$9,059 $83,390 $80,734 higher than 54% of 1,150 Illinois places
Median home value B25077 $154,000 ±$8,162 $263,300 $332,700 higher than 61% of 1,202 Illinois places
Median real estate taxes paid B25103 $4,011 ±$331 $5,298 $3,119 higher than 74% of 1,101 Illinois places
Median gross rent B25064 $920 ±$38 $1,274 $1,413 higher than 50% of 996 Illinois places
Renters paying 30%+ of income on rent B25070 48.7% ±10.9 pp 47.9% 51.1% higher than 52% of 471 Illinois places
Homeownership rate B25003 69.7% ±3.9 pp 67.1% 65.2% lower than 75% of 1,244 Illinois places
Median age B01002 39.8 years ±4.1 39.0 years 38.9 years lower than 58% of 1,239 Illinois places
Adults 25+ with a bachelor’s degree or higher B15003 23.3% ±3.1 pp 37.8% 35.7% lower than 50% of 803 Illinois places
Poverty rate B17001 17.3% ±3.6 pp 11.8% 12.5% higher than 71% of 546 Illinois places
People without health insurance B27010 5.0% ±1.5 pp 6.9% 8.4% lower than 65% of 330 Illinois places
Households with a broadband subscription B28002 84.3% ±3.7 pp 90.8% 91.0% lower than 75% of 1,256 Illinois places
Unemployment rate (civilian labor force) B23025 6.9% ±2.4 pp 5.8% 5.2% higher than 70% of 227 Illinois places
Foreign-born residents B05002 3.1% ±1.1 pp 14.7% 14.1% lower than 92% of 315 Illinois places
Jobs located in the place per 100 residents LODES 8.4 / PEP 53.7 — — higher than 76% of 757 Illinois places
Change in local jobs since 2019 LODES 8.4 +4.6% — — higher than 68% of 630 Illinois places
Workers who work from home B08301 5.2% ±1.6 pp 15.9% 15.1% lower than 97% of 396 Illinois places
Commutes of 45 minutes or longer B08303 12.8% ±2.9 pp 19.7% 16.5% lower than 79% of 669 Illinois places
Households without a vehicle B08201 7.1% ±2.3 pp 11.0% 8.4% lower than 53% of 238 Illinois places

Positions compare Ottawa with Illinois places in this directory whose estimate has a coefficient of variation of 30% or less (survey measures) or a published PEP value. The marker runs from the lowest value (left) to the highest (right); it is a description, not a score or a recommendation.

How many people live in Ottawa?

The latest official estimate is 18,684 residents on July 1, 2025. It ranks 2,051st by population nationally and 132nd in Illinois among this directory’s PEP places. Population changed by 35 residents between the 2024 and 2025 estimates. These are annual estimates, not census enumerations.

Ottawa population estimates, 2020 through 2025, Census Vintage 2025. Vertical range 17,704 to 19,367; axis does not start at zero. Residents · axis does not start at zero 19,367 17,704 2020 2021 2022 2023 2024 2025
Annual July 1 estimates, all from Vintage 2025. Revised April 1, 2020 estimate base: 18,814; the base is separate from July 2020.
Population history · PEP Vintage 2025
Reference date Population Change from previous estimate
July 1, 2020 18,803 Separate from April 2020 base
July 1, 2021 18,774 -29
July 1, 2022 18,636 -138
July 1, 2023 18,705 +69
July 1, 2024 18,719 +14
July 1, 2025 18,684 -35

From the revised April 2020 base to July 2025, the change is −130 residents (-0.7%). This is a within-vintage comparison. Boundary adjustments can affect both the estimates and their interpretation.

Download this population chart (SVG) · Official population release

Where are the boundaries?

Entity and stable identifier
Ottawa city, Illinois · Incorporated city · 1756926
Counties or equivalents · 2025 boundaries
LaSalle County
Metropolitan or micropolitan context · July 2023 delineations
Ottawa, IL — Micropolitan Statistical Area County associations use Census PEP county place parts. Each county is matched by FIPS code to the official CBSA list; a city can span several counties or statistical areas. A missing association can reflect an area outside a CBSA or changed county codes between vintages. City figures on this page remain place-level statistics.
Land area
14.9 square miles · 2025 Gazetteer
Water area
0.6 square miles · 2025 Gazetteer
Approximate population density
1,256 residents per square mile of land
Internal point
41.354046°, -88.823408° · Census geographic reference point

Density divides the July 2025 estimate by 2025 Gazetteer land area, so it is approximate. The internal point is a locator, not an address. Census place profile reference .

Income and poverty

City, state and U.S. estimates · ACS 2020–2024
Measure / survey universe City estimate ± MOE State estimate ± MOE U.S. estimate ± MOE
Median household income Households · USD/year $71,413 ±$9,059 $83,390 ±$362 $80,734 ±$166
Per-capita income Total population · USD/year $40,071 ±$5,575 $46,406 ±$212 $44,673 ±$122
Population with poverty status determined · B17001 · ACS 2020–2024 People with poverty status determined: 17,790
Category Count ± MOE Share ± MOE (pp)
Below the poverty level 3,077 ±641 17.3% ±3.6 pp

Household income combines the incomes of everyone in a household; per-capita income divides all income by every resident. The poverty rate is 17.3% (±3.6 percentage points) under the official Census definition.

Home values, rent and tenure

City, state and U.S. estimates · ACS 2020–2024
Measure / survey universe City estimate ± MOE State estimate ± MOE U.S. estimate ± MOE
Median owner-occupied home value Owner-occupied housing units · USD $154,000 ±$8,162 $263,300 ±$797 $332,700 ±$236
Median gross rent Renter-occupied units paying cash rent · USD/month $920 ±$38 $1,274 ±$5 $1,413 ±$2
Occupied housing units by tenure · B25003 · ACS 2020–2024 Occupied housing units: 7,553
Category Count ± MOE Share ± MOE (pp)
Owner occupied 5,263 ±379 69.7% ±3.9 pp
Renter occupied 2,290 ±289 30.3% ±3.6 pp

Owner-occupied units make up 69.7% of occupied housing. Gross rent includes estimated tenant-paid utilities and home values are owners’ own estimates; both cover 2020–2024 leases and homes rather than current listings. The median home value is 2.2 times the median household income.

See housing units, occupancy, rent burden and homeowner costs .

Monthly rent by bedroom count

Median monthly gross rent by bedrooms · ACS 2020–2024 · 2024 dollars
Bedrooms Monthly gross rent 90% margin of error Precision
No bedroom (studio) Unavailable Unavailable Unavailable
1 bedroom $661 ±$117 Estimate with MOE
2 bedrooms $951 ±$44 Estimate with MOE
3 bedrooms $1,314 ±$100 Estimate with MOE
4 bedrooms $1,344 ±$196 Estimate with MOE
5 or more bedrooms Unavailable Unavailable Unavailable

Census table B25031 describes renter-occupied units paying cash rent within this exact place geography. Gross rent includes contract rent and estimated tenant-paid utilities. These survey medians include existing leases across 2020–2024; they are not current apartment listings. Missing categories stay unavailable, and open-ended medians remain ranges. Small bedroom categories can have large margins of error. Download source values and provenance .

Employment among residents

Labor-force participation · B23025 · ACS 2020–2024 Population age 16 and older: 14,591
Category Count ± MOE Share ± MOE (pp)
In the labor force 8,978 ±562 61.5% ±3.1 pp
Not in the labor force 5,613 ±592 38.5% ±3.8 pp
Civilian labor-force status · B23025 · ACS 2020–2024 Civilian labor force: 8,978
Category Count ± MOE Share ± MOE (pp)
Civilian employed 8,361 ±579 93.1% ±2.8 pp
Civilian unemployed 617 ±223 6.9% ±2.4 pp

These estimates describe residents of Ottawa wherever they work; jobs at workplaces inside the city appear under jobs located in Ottawa. They are 2020–2024 averages, not a current monthly unemployment rate.

Which industries employ residents?

Education, health care and social assistance is the largest of the published broad industry groups among employed residents: 25.9% (2,168 people; ±2.9 percentage points). The estimate covers residents’ industries wherever they work, rather than employers located inside the place.

Industry of employed residents · C24030 · ACS 2020–2024 Civilian employed population age 16 and older: 8,361
Category Count ± MOE Share ± MOE (pp)
Agriculture, forestry, fishing, hunting and mining 204 ±106 · low precision 2.4% ±1.3 pp · low precision
Construction 539 ±158 6.4% ±1.8 pp
Manufacturing 890 ±190 10.6% ±2.1 pp
Wholesale trade 233 ±133 · low precision 2.8% ±1.6 pp · low precision
Retail trade 1,169 ±244 14.0% ±2.8 pp
Transportation, warehousing and utilities 760 ±190 9.1% ±2.2 pp
Information 225 ±110 2.7% ±1.3 pp
Finance, insurance, real estate, rental and leasing 502 ±173 6.0% ±2.0 pp
Professional, scientific, management, administrative and waste services 479 ±140 5.7% ±1.6 pp
Education, health care and social assistance 2,168 ±289 25.9% ±2.9 pp
Arts, entertainment, recreation, accommodation and food services 696 ±201 8.3% ±2.3 pp
Other services, except public administration 225 ±97 2.7% ±1.1 pp
Public administration 271 ±104 3.2% ±1.2 pp

Occupations among employed residents

Broad occupation groups · C24010 · ACS 2020–2024 Civilian employed population age 16 and older: 8,361
Category Count ± MOE Share ± MOE (pp)
Management, business, science and arts 2,828 ±365 33.8% ±3.7 pp
Service occupations 1,383 ±265 16.5% ±3.0 pp
Sales and office 1,651 ±331 19.7% ±3.7 pp
Natural resources, construction and maintenance 856 ±202 10.2% ±2.3 pp
Production, transportation and material moving 1,643 ±267 19.7% ±2.9 pp
Selected detailed occupation groups · C24010 · ACS 2020–2024 Civilian employed population age 16 and older: 8,361
Category Count ± MOE Share ± MOE (pp)
Management occupations 674 ±177 8.1% ±2.0 pp
Computer and mathematical occupations 170 ±95 · low precision 2.0% ±1.1 pp · low precision
Educational instruction and library occupations 739 ±203 8.8% ±2.4 pp
Health practitioners and technical occupations 512 ±153 6.1% ±1.8 pp
Sales and related occupations 609 ±176 7.3% ±2.0 pp
Transportation occupations 457 ±160 5.5% ±1.9 pp

The detailed groups are subsets of the broad groups and should not be added to them.

How residents get to work

Means of transportation to work · B08301 · ACS 2020–2024 Workers age 16 and older: 8,085
Category Count ± MOE Share ± MOE (pp)
Drove alone 6,647 ±489 82.2% ±8.6 pp
Carpooled 802 ±232 9.9% ±2.8 pp
Public transportation 18 ±27 · low precision 0.2% ±0.3 pp · low precision
Taxi or ride-hailing 54 ±56 · low precision 0.7% ±0.7 pp · low precision
Motorcycle 11 ±18 · low precision 0.1% ±0.2 pp · low precision
Bicycle 27 ±21 · low precision 0.3% ±0.3 pp · low precision
Walked 47 ±40 · low precision 0.6% ±0.5 pp · low precision
Other means 59 ±43 · low precision 0.7% ±0.5 pp · low precision
Worked from home 420 ±135 5.2% ±1.6 pp
Travel time to work · B08303 · ACS 2020–2024 Workers age 16+ who did not work from home: 7,665
Category Count ± MOE Share ± MOE (pp)
Under 15 minutes 3,842 ±484 50.1% ±5.1 pp
15–29 minutes 1,869 ±359 24.4% ±4.3 pp
30–44 minutes 975 ±229 12.7% ±2.8 pp
45–59 minutes 259 ±111 3.4% ±1.4 pp
60 minutes or longer 720 ±202 9.4% ±2.5 pp
Household vehicle availability · B08201 · ACS 2020–2024 Households: 7,553
Category Count ± MOE Share ± MOE (pp)
No vehicle available 537 ±179 7.1% ±2.3 pp

Travel times cover workers who did not work from home. Vehicle availability is counted per household, not per driver.

Households and residents

Median age is 39.8 years (±4.1). The demographic profile covers age groups, race and Hispanic origin, household types, nativity, languages, education and moves, each compared with Illinois and the U.S.

Read Ottawa demographics →

How many jobs are located in Ottawa?

Employers in Ottawa reported 10,041 jobs in 2023, +4.6% compared with 2019 (9,595 jobs). That is 53.7 jobs for every 100 residents in the July 2023 population estimate. These are jobs at workplaces inside the city limits, wherever the workers live, unlike resident employment figures.

Jobs located in Ottawa by industry (NAICS sector) · 2023 · LODES 8.4
Industry Jobs Share of local jobs Illinois share
Retail trade 1,394 13.9% 9.8%
Administrative, support and waste management services 1,232 12.3% 7.0%
Health care and social assistance 1,229 12.2% 14.3%
Accommodation and food services 1,128 11.2% 8.2%
Manufacturing 848 8.4% 9.7%
Educational services 713 7.1% 9.5%
Wholesale trade 685 6.8% 5.0%
Public administration 641 6.4% 3.8%
Finance and insurance 445 4.4% 5.1%
Professional, scientific and technical services 399 4.0% 7.6%
Other services, except public administration 361 3.6% 3.5%
Transportation and warehousing 354 3.5% 5.4%
Construction 230 2.3% 3.9%
Real estate and rental and leasing 112 1.1% 1.3%
Management of companies and enterprises 93 0.9% 1.4%
Information 74 0.7% 1.8%
Arts, entertainment and recreation 55 0.5% 1.9%
Utilities 26 0.3% 0.5%
Mining, quarrying, and oil and gas extraction 12 0.1% 0.1%
Agriculture, forestry, fishing and hunting 10 0.1% 0.3%
Monthly earnings and worker age · jobs located in Ottawa · 2023
Group Jobs Share Illinois share
$1,250 a month or less 2,823 28.1% 16.6%
$1,251 to $3,333 a month 3,115 31.0% 24.7%
More than $3,333 a month 4,103 40.9% 58.7%
Age 29 or younger 2,472 24.6% 22.0%
Age 30 to 54 4,867 48.5% 52.8%
Age 55 or older 2,702 26.9% 25.2%

Retail trade is the largest sector for jobs located in Ottawa (13.9% of local jobs, compared with 9.8% statewide). Earnings bands describe what each job pays per month, not household income, and a worker can hold more than one job.

Source: Census LEHD Origin-Destination Employment Statistics (LODES) 8.4, workplace area characteristics, all jobs, second-quarter reference date. Census blocks are summed to 2024 place boundaries. Includes private, state and local government and federal civilian jobs; excludes self-employment, military and informal work. Counts include confidentiality noise and are less precise for small places.

Nearby station climate normals

No station in the retained NOAA release meets our complete standard-normal criteria within 25 km of this place’s Census internal point. We leave local climate values unavailable. Use NOAA’s station lookup to inspect other locations and their coverage.

Check a specific address before moving

City averages help compare places. A particular home’s school assignment, transit service and flood-map coverage need checks at the address.

  • FEMA Flood Map Service Center — search the address, read the effective map and its date, and check any map changes. An unmapped location does not establish an absence of flood risk.
  • NCES public school district directory — find district contact information, then use the district’s official address locator or enrollment office to confirm school assignment. A city name or district boundary alone does not assign a school.
  • FCC National Broadband Map — check reported service at the exact location, then confirm availability and terms with the provider.
  • Check the official transit operator’s route map and timetable for the address and your actual travel hours; the citywide commuting shares above do not measure service on a particular street.

Sources and data notes

Population: Census PEP Vintage 2025, published May 14, 2026. Survey measures: ACS 2020–2024 five-year estimates, published January 29, 2026, dollar figures in 2024 dollars. Geography: Census 2025 Gazetteer, with simplified 2024 state outlines for the locator. Statistical estimates and derived values use the same retained records in profiles, comparison, filters and downloads.

Climate uses NOAA 1991–2020 station normals (v1.0.1); jobs located in the city use LEHD LODES 8.4. Crime, school assignments and hazard scores are not inferred from these datasets, and missing values are never treated as zero. Inspect original sources, read calculation details, download this place’s source observations , or submit a correction.

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