Eureka, Missouri Population 2023

12,084

Eureka is a city located in St. Louis County Missouri. With a 2023 population of 12,084, it is the 76th largest city in Missouri and the 3569th largest city in the United States.Eureka is currently growing at a rate of 1.22% annually and its population has increased by 3.76% since the most recent census, which recorded a population of 11,646 in 2020. Spanning over 11 miles, Eureka has a population density of 1,150 people per square mile.

The average household income in Eureka is $125,969 with a poverty rate of 0.83%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Eureka is 39.8 years, 38.4 years for males, and 42.1 years for females.

Eureka Demographics

According to the most recent ACS, the racial composition of Eureka was:

  • White: 93.14%
  • Two or more races: 4.78%
  • Asian: 1.72%
  • Black or African American: 0.34%
  • Native American: 0.01%
  • Native Hawaiian or Pacific Islander: 0%
  • Other race: 0%
The current population of Eureka, Missouri is 12,084 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 11,646.

Eureka, Missouri Population 2023

Population by Race

White

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Other race

Eureka Population by Race

Eureka Population Pyramid 2023

Eureka Median Age

39.8

Total

38.4

Male

42.1

Female

Eureka Adults

There are 7,134 adults, (1,500 of whom are seniors) in Eureka.

Eureka Age Dependency

81.1

Age Dependency Ratio

26.6

Old Age Dependency Ratio

54.5

Child Dependency Ratio

Eureka Sex Ratio

Female4,87047.73%
Male5,33352.27%

Eureka Population by Age

Eureka Renter vs Owner Occupied by Household Type

3.36

Average Family Size

2.84

Average Household Size

82.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Eureka Households and Families

Male

Female

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Eureka Educational Attainment by Sex (over 25)

Eureka Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

The highest rate of high school graduation is among native american people with a rate of 100%.

The highest rate of bachelors degrees is among native american people with a rate of 100%.

Eureka Educational Attainment by Race

All

Male

Female

$67,247

Average Earnings

$80,550

Average Male

$52,132

Average Female

Eureka Earnings by Educational Attainment

Eureka Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Eureka Language

96.26% of Eureka residents speak only English, while 3.74% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 1.56% of the population.

Eureka Language

Eureka Poverty by Race

rate

0.83%

Overall Poverty Rate

0.67%

Male Poverty Rate

0.62%

Female Poverty Rate

Poverty in Eureka

The race most likely to be in poverty in Eureka is Native, with 100% below the poverty level.

The race least likely to be in poverty in Eureka is White, with 0.65% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 0.96%, and for those that did not work, the poverty rate was 2.87%.

Eureka Poverty

Eureka Poverty Rate by Education

Eureka Poverty Rate by Employment Status and Sex

Eureka Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

mean

median

Income by Household Type

Eureka Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

59.2%

Overall Marriage Rate

60.0%

Male Marriage Rate

58.4%

Female Marriage Rate

Eureka Married by Age and Sex

male

female

Eureka Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 45-54.

Eureka Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Eureka Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

484

Number of Veterans

467

Male Veterans

17

Female Veterans

Eureka Veterans by War

Eureka Veterans by Age

count

Eureka Veterans by Race

Eureka Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

33.08%

Veteran Disability Rate

Eureka Veterans by Education

LaborForceParticipation

70.4%

Labor Force Participation

67.1%

Employment Rate

4.8%

Unemployment Rate

Eureka Employment by Age

LaborForceParticipation

Eureka Employment by Race

LaborForceParticipation

Eureka Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

60.69%

Born in Eureka

85.51%

Native Born

2.1%

Foreign Born

0.52%

Non Citizen

1.59%

Naturalized

Place of Birth

85.51% of Eureka residents were born in the United States, with 60.69% having been born in Missouri. 0.52% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Eureka Place of Birth

Note: data after 2020 is projected based on recent growth

Eureka Population by Year