Kennewick, Washington demographics

Kennewick, WA demographics: median age 35.7; 26.2% of adults 25+ hold a bachelor’s degree. Age, race, households, languages and education, ACS 2020–2024 with margins of error.

ACS 2020–2024 · Kennewick city, Washington · Incorporated city · GEOID 5335275. The survey estimates a population of 85,295 for its five-year window. This is separate from the annual July 2025 population estimate on the city overview.

Median age in Kennewick is 35.7 years, with a 90% margin of error of 0.9 years. There are 31,372 households (±717). 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	35.7 ±0.9	38.3 ±0.1	38.9 ±0.1

Age groups · B01001 · ACS 2020–2024 Total population: 85,295
Category	Count ± MOE	Share ± MOE (pp)	Washington	U.S.
Under 18	22,301 ±1,212	26.1% ±1.4 pp	21.4%	22.0%
18–34	19,569 ±1,011	22.9% ±1.2 pp	23.7%	22.8%
35–64	29,809 ±1,304	34.9% ±1.5 pp	38.3%	38.0%
65 and older	13,616 ±928	16.0% ±1.1 pp	16.6%	17.2%

Sex categories as published by ACS · B01001 · ACS 2020–2024 Total population: 85,295
Category	Count ± MOE	Share ± MOE (pp)	Washington	U.S.
Male	42,059 ±860	49.3% ±1.0 pp	50.4%	49.5%
Female	43,236 ±868	50.7% ±1.0 pp	49.6%	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: 85,295
Category	Count ± MOE	Share ± MOE (pp)	Washington	U.S.
White alone	54,535 ±1,574	63.9% ±1.8 pp	65.8%	61.0%
Black or African American alone	1,921 ±503	2.3% ±0.6 pp	4.0%	12.2%
American Indian and Alaska Native alone	871 ±372	1.0% ±0.4 pp	1.2%	0.9%
Asian alone	1,716 ±423	2.0% ±0.5 pp	9.8%	6.0%
Native Hawaiian and Other Pacific Islander alone	203 ±150 · low precision	0.2% ±0.2 pp · low precision	0.7%	0.2%
Some other race alone	11,351 ±1,532	13.3% ±1.8 pp	5.8%	7.1%
Two or more races	14,698 ±1,750	17.2% ±2.1 pp	12.8%	12.6%

Hispanic or Latino origin · B03003 · ACS 2020–2024 Total population: 85,295
Category	Count ± MOE	Share ± MOE (pp)	Washington	U.S.
Not Hispanic or Latino	57,121 ±1,382	67.0% ±1.6 pp	85.6%	80.7%
Hispanic or Latino	28,174 ±1,384	33.0% ±1.6 pp	14.4%	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: 31,372
Category	Count ± MOE	Share ± MOE (pp)	Washington	U.S.
Married-couple family	14,291 ±720	45.6% ±2.0 pp	49.1%	46.9%
Other family: male householder, no spouse present	1,743 ±376	5.6% ±1.2 pp	4.8%	5.1%
Other family: female householder, no spouse present	4,686 ±634	14.9% ±2.0 pp	9.5%	12.2%
Nonfamily: householder living alone	8,937 ±720	28.5% ±2.2 pp	27.7%	28.7%
Nonfamily: householder not living alone	1,715 ±374	5.5% ±1.2 pp	8.9%	7.0%

Households with children · B11005 · ACS 2020–2024 Households: 31,372
Category	Count ± MOE	Share ± MOE (pp)	Washington	U.S.
Households with people under 18	10,130 ±569	32.3% ±1.7 pp	29.3%	29.5%
Households without people under 18	21,242 ±1,000	67.7% ±2.8 pp	70.7%	70.5%

Household size · B11016 · ACS 2020–2024 Households: 31,372
Category	Count ± MOE	Share ± MOE (pp)	Washington	U.S.
One-person nonfamily households	8,937 ±720	28.5% ±2.2 pp	27.7%	28.7%
Two-person households	10,847 ±866	34.6% ±2.6 pp	35.3%	33.8%
Three-person households	3,791 ±515	12.1% ±1.6 pp	15.1%	15.3%
Four-person households	3,878 ±548	12.4% ±1.7 pp	12.7%	12.6%
Five-person households	2,168 ±356	6.9% ±1.1 pp	5.6%	5.9%
Six-person households	1,051 ±273	3.4% ±0.9 pp	2.2%	2.2%
Seven or more people	700 ±178	2.2% ±0.6 pp	1.5%	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: 85,295
Category	Count ± MOE	Share ± MOE (pp)	Washington	U.S.
Native	73,231 ±1,157	85.9% ±1.4 pp	84.6%	85.9%
Foreign born	12,064 ±1,147	14.1% ±1.3 pp	15.4%	14.1%

Language spoken at home · C16001 · ACS 2020–2024 Population age 5 and older: 79,184
Category	Count ± MOE	Share ± MOE (pp)	Washington	U.S.
English only	56,411 ±1,566	71.2% ±1.9 pp	78.6%	77.7%
Spanish	19,349 ±1,169	24.4% ±1.5 pp	9.0%	13.6%
French, Haitian, or Cajun	55 ±48 · low precision	0.1% ±0.1 pp · low precision	0.4%	0.7%
German or other West Germanic	327 ±183 · low precision	0.4% ±0.2 pp · low precision	0.4%	0.5%
Russian, Polish, or other Slavic	711 ±377 · low precision	0.9% ±0.5 pp · low precision	1.5%	0.7%
Other Indo-European	296 ±269 · low precision	0.4% ±0.3 pp · low precision	2.0%	2.0%
Korean	79 ±79 · low precision	0.1% ±0.1 pp · low precision	0.7%	0.3%
Chinese, including Mandarin and Cantonese	216 ±119 · low precision	0.3% ±0.2 pp · low precision	1.9%	1.1%
Vietnamese	299 ±245 · low precision	0.4% ±0.3 pp · low precision	1.0%	0.5%
Tagalog, including Filipino	145 ±106 · low precision	0.2% ±0.1 pp · low precision	0.9%	0.6%
Other Asian and Pacific Island	486 ±247 · low precision	0.6% ±0.3 pp · low precision	2.1%	1.1%
Arabic	486 ±297 · low precision	0.6% ±0.4 pp · low precision	0.4%	0.5%
Other and unspecified	324 ±227 · low precision	0.4% ±0.3 pp · low precision	1.1%	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: 55,139
Category	Count ± MOE	Share ± MOE (pp)	Washington	U.S.
Less than high school graduate	7,523 ±847	13.6% ±1.5 pp	7.7%	10.4%
High school graduate or equivalency	14,625 ±1,101	26.5% ±1.9 pp	21.6%	26.0%
Some college, no degree	12,566 ±1,087	22.8% ±1.9 pp	21.0%	19.1%
Associate’s degree	5,954 ±636	10.8% ±1.1 pp	10.0%	8.8%
Bachelor’s degree	9,521 ±1,008	17.3% ±1.8 pp	24.0%	21.6%
Graduate or professional degree	4,950 ±709	9.0% ±1.3 pp	15.6%	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: 84,279
Category	Count ± MOE	Share ± MOE (pp)	Washington	U.S.
Same house	74,118 ±1,368	87.9% ±1.6 pp	85.5%	87.7%
Moved within same county	5,504 ±1,077	6.5% ±1.3 pp	8.0%	6.3%
Moved from a different county in the same state	2,449 ±772	2.9% ±0.9 pp	2.8%	3.1%
Moved from a different state	1,309 ±499	1.6% ±0.6 pp	2.9%	2.3%
Moved from abroad	899 ±395	1.1% ±0.5 pp	0.8%	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

8.8% of Kennewick residents (±1.1 percentage points) had no health insurance coverage when surveyed, compared with 6.3% in Washington and 8.4% nationally. 91.2% 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	Kennewick	Washington	U.S.	Compared with Washington
People without health insurance Civilian noninstitutionalized population	8.8% ±1.1 pp	6.3%	8.4%	Higher
Households with a broadband subscription Households	91.2% ±1.0 pp	93.6%	91.0%	Lower
Veterans Civilian population age 18 and older	6.8% ±0.8 pp	7.8%	6.2%	Lower

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 Kennewick . 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 Kennewick housing and cost context or return to the city profile.