Eureka, Missouri Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Eureka, Missouri is 12,371 as of the 2023 American Community Survey, making it the 74th-largest city in Missouri. The median household income is $108,947, the median home value is $352,200, and the median age is 37.5.
The population has grown 30.1% since 2010 (10,205 → 13,277).
12,371
Population
1109
People / sq mi
$108,947
Median Income
$352,200
Median Home Value
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Eureka covers 11.2 sq mi of land at 1109 people per square mile.
About Eureka, MO
What distinguishes Eureka is density: among the most sparsely settled of US cities, around 1,109 people per square mile. Eureka is a city in Missouri with a population of 12,371.
Households take in a median $108,947, comfortably above the US median of $78,538. Poverty is relatively low for US cities at 3.4%, below the national 12.4%. Homes carry a median value of $352,200, with typical rent around $1,240.
College attainment is above the local norm at 50.9%, above the national 35.0%. A solid 17.7% of workers are based at home, above the national 14.0%, and the average commute runs about 27 minutes each way.
Eureka city Population History (2010-2024)
The city of Eureka city had a population of 10,205 in 2010 and 13,277 in 2024, a 30.1% growth over 14 years. The peak was 13,277 in 2024. Average annual growth rate: 1.92%.
13,277
Population (2024)
10,205
Population (2010)
13,277
Peak (2024)
1.92%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 10,205 |
| 2011 | 10,277 |
| 2012 | 10,382 |
| 2013 | 10,447 |
| 2014 | 10,523 |
| 2015 | 10,574 |
| 2016 | 10,529 |
| 2017 | 10,553 |
| 2018 | 10,762 |
| 2019 | 10,946 |
| 2020 | 11,776 |
| 2021 | 12,198 |
| 2022 | 12,739 |
| 2023 | 13,136 |
| 2024 | 13,277 |
Race & Ethnicity
| White | 87.5% |
| Black or African American | 0.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.5% |
| Two or More Races | 0.0% |
Economy & Income
$108,947
Median Household Income
$48,832
Per Capita Income
3.4%
Poverty Rate
2.0%
Unemployment Rate
Housing
$352,200
Median Home Value
$1,240
Median Rent
81.1%
Owner-Occupied
Education
96.8%
High School+
50.9%
Bachelor's+
Commute
0.0%
Drive Alone
76.4%
Public Transit
17.7%
Work From Home
27.2 min
Avg Commute
Community Profile
26.4%
Foreign Born
94.5%
Non-English at Home
5.4%
Veterans
6.9%
With Disability
98.0%
Health Insurance
95.2%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 22.7% |
| Finance, Insurance & Real Estate | 14.1% |
| Manufacturing | 9.4% |
| Information | 8.7% |
| Retail Trade | 8.2% |
| Education, Health Care & Social Services | 6.4% |
| Construction | 5.1% |
| Transportation & Warehousing | 5.0% |
| Arts, Entertainment & Food Services | 4.2% |
| Public Administration | 3.1% |
| Agriculture & Mining | 0.4% |
Largest cities in Missouri
Largest counties in Missouri
Part of Missouri
Metro areas in Missouri
City rankings
Frequently Asked Questions
Eureka, Missouri has a population of 12,371 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 74th-largest city in Missouri.
The median household income in Eureka, Missouri is $108,947, with 3.4% of residents living below the federal poverty level.
The median home value in Eureka, Missouri is $352,200, with median monthly rent at $1,240 and a homeownership rate of 81.1%.
The median age in Eureka, Missouri is 37.5 years. The population is 52.8% male and 47.2% female.
The population has grown 30.1% since 2010 (10,205 → 13,277).
Where to stay in Eureka
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Population, race, income, age, and trends across Missouri
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.