Keizer Population

1960–2026

39,115

2026 projection

0.7% since 2020 (decrease)

010K20K30K40K1960197019801990200020102020

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Keizer. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202639,115-250.06%
202539,140-890.23%
202439,229+3370.87%
202338,892+300.08%
202238,862-3640.93%
202139,226-1500.38%
202039,376-1150.29%
201939,491-130.03%
201839,504+4561.17%
201739,048+4571.18%

Showing 10 of 22 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Keizer has a population change lower than Marion County, Oregon, and the U.S.

  • United States+3.1%
  • Marion County+2.7%
  • Oregon+0.7%
  • Keizer−0.5%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Keizer Demographics

37.4median age

Median age

Female37.9 yrs
Male37 yrs

Adults

29,680
7,059 seniors (65+) · 24% of adults22,621 other adults

Sex

Female 52.5% · 20,504Male 47.5% · 18,578

Population by age

MaleFemale85+ years, male: 37885+ years, female: 48780–84 years, male: 27980–84 years, female: 41075–79 years, male: 70275–79 years, female: 59970–74 years, male: 92270–74 years, female: 1,31565–69 years, male: 1,00765–69 years, female: 96060–64 years, male: 77760–64 years, female: 1,26655–59 years, male: 83155–59 years, female: 1,06250–54 years, male: 1,21850–54 years, female: 1,41145–49 years, male: 81245–49 years, female: 1,07540–44 years, male: 1,22340–44 years, female: 1,04535–39 years, male: 1,65535–39 years, female: 1,49630–34 years, male: 1,47330–34 years, female: 1,64725–29 years, male: 1,18125–29 years, female: 1,32320–24 years, male: 1,01120–24 years, female: 1,30315–19 years, male: 1,33415–19 years, female: 1,30210–14 years, male: 1,43810–14 years, female: 1,2125–9 years, male: 1,2905–9 years, female: 1,1130–4 years, male: 1,0470–4 years, female: 1,47885+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K1.5K1.5K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 391 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Keizer Income

$84,813median household income

Median household income

$84,813

Half of households earn more, half earn less

Median earnings

$52,001

Typical yearly pay for a worker 25 or older.

Poverty rate

8.1%

About 1 in 12 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Keizer Marital Status

51% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married51%54%48%
Never married30%33%28%
Divorced13%9%16%
Widowed5%2%7%
Separated2%1%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

14 sources

Population

American Community Survey, 2024 5-year

Additional sources