Eureka Population

2010–2026

385

2026 projection

22.2% since 2020 (increase)

0100200300400201020122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual 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.
2026385+112.94%
2025374+133.60%
2024361+133.74%
2023348+133.88%
2022335+144.36%
2021321+61.90%
2020315+113.62%
2019304+51.67%
2018299+93.10%
2017290+51.75%

Showing 10 of 17 years.

Eureka Demographics

53.7median age

Median age

Female53.5 yrs
Male55 yrs

Adults

271
67 seniors · 25%204 other adults

Sex

Female 44.5% · 138Male 55.5% · 172

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

$81,250median household income

Median household income

$81,250

Half of households earn more, half earn less

Median earnings

$49,250

Typical yearly pay for a worker 25 or older.

Poverty rate

13.9%

About 1 in 7 residents

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

Eureka Marital Status

62% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married62%61%64%
Never married25%27%21%
Divorced11%12%9%
Widowed2%0%4%
Separated<1%0%2%

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