Cornelius, Oregon demographics

Cornelius, OR demographics: median age 35.1; 18.9% of adults 25+ hold a bachelor’s degree. Age, race, households, languages and education, ACS 2020–2024 with margins of error.

ACS 2020–2024 · Cornelius city, Oregon · Incorporated city · GEOID 4115550. The survey estimates a population of 14,255 for its five-year window. This is separate from the annual July 2025 population estimate on the city overview.

Median age in Cornelius is 35.1 years, with a 90% margin of error of 2.1 years. There are 4,843 households (±342). Age and household distributions show how these totals are composed; they do not establish which neighborhood suits a particular person.

Every count and share is an estimate. “±” is a 90% margin of error (MOE); pp means percentage points. Derived shares use the category count divided by the named universe. Aggregated category MOEs and percentage MOEs are approximate. A margin larger than half its estimate is flagged as low precision. Blank source uncertainty is shown as unavailable, never zero.

Age distribution and sex

City, state and U.S. estimates · ACS 2020–2024
Measure / survey universe	City estimate ± MOE	State estimate ± MOE	U.S. estimate ± MOE
Median age Total population · years	35.1 ±2.1	40.4 ±0.2	38.9 ±0.1

Age groups · B01001 · ACS 2020–2024 Total population: 14,255
Category	Count ± MOE	Share ± MOE (pp)	Oregon	U.S.
Under 18	3,286 ±521	23.1% ±3.7 pp	19.9%	22.0%
18–34	3,812 ±551	26.7% ±3.9 pp	22.5%	22.8%
35–64	5,377 ±558	37.7% ±3.9 pp	38.5%	38.0%
65 and older	1,780 ±450	12.5% ±3.2 pp	19.1%	17.2%

Sex categories as published by ACS · B01001 · ACS 2020–2024 Total population: 14,255
Category	Count ± MOE	Share ± MOE (pp)	Oregon	U.S.
Male	6,840 ±429	48.0% ±3.0 pp	49.9%	49.5%
Female	7,415 ±435	52.0% ±3.0 pp	50.1%	50.5%

The age groups are mutually exclusive and cover the entire population. The sex categories follow this ACS table’s published classification; they are not a survey of gender identity.

Race and Hispanic origin

Race · B02001 · ACS 2020–2024 Total population: 14,255
Category	Count ± MOE	Share ± MOE (pp)	Oregon	U.S.
White alone	7,240 ±888	50.8% ±6.2 pp	74.6%	61.0%
Black or African American alone	185 ±202 · low precision	1.3% ±1.4 pp · low precision	1.9%	12.2%
American Indian and Alaska Native alone	568 ±264	4.0% ±1.9 pp	1.1%	0.9%
Asian alone	223 ±152 · low precision	1.6% ±1.1 pp · low precision	4.5%	6.0%
Native Hawaiian and Other Pacific Islander alone	0 ±21 · low precision	0.0% ±0.1 pp · low precision	0.4%	0.2%
Some other race alone	3,949 ±906	27.7% ±6.4 pp	5.2%	7.1%
Two or more races	2,090 ±605	14.7% ±4.2 pp	12.3%	12.6%

Hispanic or Latino origin · B03003 · ACS 2020–2024 Total population: 14,255
Category	Count ± MOE	Share ± MOE (pp)	Oregon	U.S.
Not Hispanic or Latino	6,936 ±750	48.7% ±5.3 pp	85.3%	80.7%
Hispanic or Latino	7,319 ±752	51.3% ±5.3 pp	14.7%	19.3%

Hispanic origin and race are separate questions. People of Hispanic or Latino origin may be of any race and appear in both tables. Do not add the Hispanic share to race shares. Race alone and two-or-more-race groups are the mutually exclusive categories of the race table.

Household types, children and living alone

Household types · B11001 · ACS 2020–2024 Households: 4,843
Category	Count ± MOE	Share ± MOE (pp)	Oregon	U.S.
Married-couple family	2,460 ±320	50.8% ±5.5 pp	46.7%	46.9%
Other family: male householder, no spouse present	370 ±167	7.6% ±3.4 pp	4.9%	5.1%
Other family: female householder, no spouse present	830 ±230	17.1% ±4.6 pp	10.1%	12.2%
Nonfamily: householder living alone	888 ±392	18.3% ±8.0 pp	28.4%	28.7%
Nonfamily: householder not living alone	295 ±134	6.1% ±2.7 pp	9.9%	7.0%

Households with children · B11005 · ACS 2020–2024 Households: 4,843
Category	Count ± MOE	Share ± MOE (pp)	Oregon	U.S.
Households with people under 18	1,605 ±228	33.1% ±4.1 pp	27.2%	29.5%
Households without people under 18	3,238 ±483	66.9% ±8.8 pp	72.8%	70.5%

Household size · B11016 · ACS 2020–2024 Households: 4,843
Category	Count ± MOE	Share ± MOE (pp)	Oregon	U.S.
One-person nonfamily households	888 ±392	18.3% ±8.0 pp	28.4%	28.7%
Two-person households	1,470 ±325	30.4% ±6.4 pp	36.7%	33.8%
Three-person households	1,154 ±271	23.8% ±5.3 pp	15.0%	15.3%
Four-person households	537 ±169	11.1% ±3.4 pp	11.8%	12.6%
Five-person households	568 ±194	11.7% ±3.9 pp	5.0%	5.9%
Six-person households	98 ±83 · low precision	2.0% ±1.7 pp · low precision	1.9%	2.2%
Seven or more people	128 ±73 · low precision	2.6% ±1.5 pp · low precision	1.2%	1.4%

A family household contains related people under the Census definition. A nonfamily household can contain one person or unrelated people sharing a home. Households with children can also appear in the household-type and size tables, so those tables must not be added together. Household estimates exclude people living in group quarters from the household universe.

Nativity and languages spoken at home

Nativity · B05002 · ACS 2020–2024 Total population: 14,255
Category	Count ± MOE	Share ± MOE (pp)	Oregon	U.S.
Native	10,927 ±663	76.7% ±4.6 pp	90.2%	85.9%
Foreign born	3,328 ±667	23.3% ±4.7 pp	9.8%	14.1%

Language spoken at home · C16001 · ACS 2020–2024 Population age 5 and older: 13,720
Category	Count ± MOE	Share ± MOE (pp)	Oregon	U.S.
English only	7,176 ±791	52.3% ±5.7 pp	84.8%	77.7%
Spanish	6,069 ±879	44.2% ±6.4 pp	9.0%	13.6%
French, Haitian, or Cajun	0 ±21 · low precision	0.0% ±0.2 pp · low precision	0.3%	0.7%
German or other West Germanic	0 ±21 · low precision	0.0% ±0.2 pp · low precision	0.4%	0.5%
Russian, Polish, or other Slavic	20 ±31 · low precision	0.1% ±0.2 pp · low precision	0.8%	0.7%
Other Indo-European	207 ±208 · low precision	1.5% ±1.5 pp · low precision	1.0%	2.0%
Korean	0 ±21 · low precision	0.0% ±0.2 pp · low precision	0.3%	0.3%
Chinese, including Mandarin and Cantonese	0 ±21 · low precision	0.0% ±0.2 pp · low precision	0.8%	1.1%
Vietnamese	31 ±50 · low precision	0.2% ±0.4 pp · low precision	0.6%	0.5%
Tagalog, including Filipino	46 ±65 · low precision	0.3% ±0.5 pp · low precision	0.3%	0.6%
Other Asian and Pacific Island	75 ±56 · low precision	0.5% ±0.4 pp · low precision	1.1%	1.1%
Arabic	0 ±21 · low precision	0.0% ±0.2 pp · low precision	0.2%	0.5%
Other and unspecified	96 ±129 · low precision	0.7% ±0.9 pp · low precision	0.5%	0.8%

Foreign born means not a U.S. citizen at birth; it includes naturalized citizens. Language categories describe speech at home among people age five and older. A language other than English at home does not establish that someone cannot speak English. This city page uses the published C16001 summary categories because the more detailed B16001 table does not provide these city records in this release.

Educational attainment

Highest completed education · B15003 · ACS 2020–2024 Population age 25 and older: 9,259
Category	Count ± MOE	Share ± MOE (pp)	Oregon	U.S.
Less than high school graduate	2,118 ±447	22.9% ±4.7 pp	8.2%	10.4%
High school graduate or equivalency	2,272 ±368	24.5% ±3.8 pp	22.4%	26.0%
Some college, no degree	2,034 ±360	22.0% ±3.8 pp	23.5%	19.1%
Associate’s degree	1,083 ±272	11.7% ±2.9 pp	9.1%	8.8%
Bachelor’s degree	1,221 ±459	13.2% ±4.9 pp	22.7%	21.6%
Graduate or professional degree	531 ±156	5.7% ±1.7 pp	14.1%	14.1%

The denominator excludes residents under 25. Each person is counted in the highest attainment category they completed. This table does not measure the quality of local schools or the education level of every current student.

Residence one year earlier

Geographic mobility · B07003 · ACS 2020–2024 Population age 1 and older: 14,167
Category	Count ± MOE	Share ± MOE (pp)	Oregon	U.S.
Same house	12,823 ±415	90.5% ±2.9 pp	86.0%	87.7%
Moved within same county	1,056 ±361	7.5% ±2.5 pp	7.0%	6.3%
Moved from a different county in the same state	172 ±119 · low precision	1.2% ±0.8 pp · low precision	3.4%	3.1%
Moved from a different state	61 ±77 · low precision	0.4% ±0.5 pp · low precision	3.0%	2.3%
Moved from abroad	55 ±93 · low precision	0.4% ±0.7 pp · low precision	0.5%	0.6%

These are respondents’ residence patterns one year before their survey response, pooled across the five-year window. They are not a net migration count for 2025. A person can move to a different house within the same city or county; moves within the same county should not automatically be interpreted as new arrivals to the city.

Health insurance, internet access and veterans

9.9% of Cornelius residents (±3.2 percentage points) had no health insurance coverage when surveyed, compared with 5.9% in Oregon and 8.4% nationally. 98.3% of households subscribe to broadband of any type, including cellular data plans. A subscription is not the same as available service: the FCC National Broadband Map shows providers at a specific address.

City, state and U.S. shares · ACS 2020–2024
Measure	Cornelius	Oregon	U.S.	Compared with Oregon
People without health insurance Civilian noninstitutionalized population	9.9% ±3.2 pp	5.9%	8.4%	Higher
Households with a broadband subscription Households	98.3% ±1.8 pp	92.4%	91.0%	Higher
Veterans Civilian population age 18 and older	6.8% ±1.9 pp	7.2%	6.2%	Not statistically different

Reading and reusing the estimates

The Census table links above lead to the original detailed tables. Counts, source universes and uncertainty are retained in the source observation download for Cornelius . Compare these figures with the same survey window; do not compare one city’s five-year estimate with another city’s annual estimate as though they measured the same period. For methods, see uncertainty and denominator calculations.

Read Cornelius housing and cost context or return to the city profile.