Eureka, MO Profile: Facts, Map & Data


Eureka Local Links & Resources:
Hotels | Resources | ALL Eureka Content

Also See: Eureka, MO ZIP Codes & ZIP Code Maps | Local Area Photos

Eureka, Missouri - Basic Facts

The City of Eureka had a population of 10,854 as of July 1, 2017.

The primary coordinate point for Eureka is located at latitude 38.5004 and longitude -90.6509 in St. Louis County. The formal boundaries for the City of Eureka (see map below) encompass a land area of 10.65 sq. miles and a water area of 0.1 sq. miles. St. Louis County is in the Central time zone (GMT -6). The elevation is 459 feet.

The City of Eureka (GNIS ID: 2394707) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Eureka is located within Township of Meramec, a minor civil division (MCD) of St. Louis County.

Beneath the boundary map are tables with Eureka population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


City of Eureka, MO Boundary Map

Also See: BIG Map | Driving Directions | MO Congressional Districts
Boundary Maps: Township of Meramec | St. Louis County | Missouri Counties

Search the map for:

Eureka, MO Data & Demographics (As of July 1, 2017)


Total Population 10,854
Daytime Population: Workers 5,190
Daytime Population: Residents 5,793
Total Daytime Population (TDP) 10,983
Ratio TDP/Total Population1 1.01
Population in Households 10,647
Population in Familes 9,558
Population in Group Qrtrs 207
Population Density2 1,019
Diversity Index3 17


Median Household Income $95,436
Average Household Income $123,954
Per Capita Income $42,801


Total Housing Units 3,762 (100%)
Owner Occupied HU 3,089 (82.1%)
Renter Occupied HU 599 (15.9%)
Vacant Housing Units 73 ( 1.9%)
Median Home Value $269,597
Average Home Value $294,399


Total Households 3,689
Average Household Size 2.89
Family Households 2,911
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.88% 0.63%
Households 0.83% 0.65%
Families 0.75% 0.58%
Median Household Income   1.21%
Per Capita Income   2.19%

Eureka, MO - Peer Comparisons by Rank and Percentile

The table below compares Eureka to the other 1,032 incorporated cities, towns and CDPs in Missouri by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 81 92nd
Population Density # 355 66th
Diversity Index # 379 63rd
Median Household Income # 25 98th
Per Capita Income # 39 96th

Additional comparisons and rankings can be made with a VERY EASY TO USE Missouri Census Data Comparison Tool.

Missouri Research Tools

Missouri Census Data Comparison Tool

Compare Missouri Census Data
Highest or Lowest: