Eureka Population

2010–2026

307

2026 projection

25.3% since 2020 (decrease)

0100200300400500600700201020122014201620182020202220242026

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 Eureka. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026307-195.83%
2025326-385.36%
2023364+4915.56%
2022315-257.35%
2021340-7117.27%
2020411-5111.04%
2019462-183.75%
2018480+388.60%
2017442+174.00%
2016425-6212.73%

Showing 10 of 16 years.

Eureka Demographics

60.4median age

Median age

Female64.2 yrs
Male40.9 yrs

Adults

222
87 seniors (65+) · 39% of adults135 other adults

Sex

Female 33.3% · 93Male 66.7% · 186

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 3 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

Eureka Income

$62,000median household income

Median household income

$62,000

Half of households earn more, half earn less

Poverty rate

0%

0% of residents

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

Eureka Marital Status

74% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married74%56%100%
Never married19%32%0%
Divorced7%12%0%
Widowed0%0%0%
Separated0%0%0%

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