Where does this demographic data come from?

All demographic data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates, which samples about 3.5 million households annually. The 5-year estimates provide the most reliable data for small geographies like municipalities.

What is the difference between Census data and ACS data?

The decennial Census (conducted every 10 years) is a full population count focusing on basic demographics. The ACS is an ongoing survey that collects detailed data on income, education, housing, commute patterns, and more. ACS data is updated annually but represents averages over a 5-year period.

How accurate is this data for small towns?

For smaller municipalities, ACS estimates have wider margins of error because fewer residents are sampled. The 5-year estimates reduce this uncertainty by averaging over a longer period. For towns under 5,000 people, treat specific numbers as approximations rather than precise counts.

Wentzville, MO Population, Income & Demographics 2026

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Demographics — 2024 ACS 5-Year Estimatesi

Census

Populationi

47,061

Median Agei

36.5

Race & Ethnicityi

White

84.2%39,637

Black

6.6%3,114

Two or More

3.8%1,766

Hispanic/Latino

3.3%1,561

Asian

1.6%766

Other

0.4%180

Native Hawaiian/Pacific Islander

0.1%28

American Indian/Alaska Native

0%9

Educational Attainment (Age 25+)i

GED/Alternative

2.8%827

High School Diploma

17.9%5,377

Some College (<1 yr)

8.3%2,500

Some College (1+ yr)

13.9%4,163

Associate's Degree

12%3,616

Bachelor's Degree

26.6%7,992

Master's Degree

10.5%3,150

Professional Degree

1.9%578

Doctorate

0.6%175

HS or Higher

94.5%

BA or Higher

39.6%

Graduate+

13%

Housingi

Median Home Valuei

$331,300

Median Renti

$1,345

Tenure

Owner-Occupied

82.5%13,442

Renter-Occupied

17.5%2,852

Total Units

16,601

Homeownership

82.5%

Vacancy Rate

1.8%

Home Values

Under $50K

2.6%347

$50K–$100K

2.7%360

$100K–$150K

1.4%189

$150K–$200K

3.7%493

$200K–$300K

29.3%3,940

$300K–$500K

51.7%6,943

$500K–$1M

8.6%1,161

$1M+

0.1%9

Rent Distribution

Under $500

152

$500–$750

347

$750–$1,000

336

$1,000–$1,250

270

$1,250–$1,500

583

$1,500–$2,000

466

$2,000+

497

Year Built

2020 or later

3.7%608

2010–2019

36.3%6,023

2000–2009

41.3%6,855

1990–1999

6.4%1,062

1980–1989

2.5%417

1970–1979

2.1%350

1960–1969

2.1%341

1950–1959

4.4%734

1940–1949

0.6%107

1939 or earlier

0.6%104

Heating Fuel

Utility Gas

63.5%10,339

Electricity

34.4%5,608

Bottled/LP Gas

1.6%261

Wood

0.3%46

Other

0.1%18

Fuel Oil

0.1%12

No Fuel

0.1%10

Economyi

Median Household Incomei

$112,394

Mean Household Incomei

$130,085

Per Capita Incomei

$45,852

Poverty Ratei

5.3%

Unemploymenti

2.7%

Labor Forcei

24,955

Household Income Distribution

Under $10K

2.2%364

$10K–$15K

1.3%212

$15K–$20K

1.6%262

$20K–$25K

2%323

$25K–$30K

2.1%337

$30K–$35K

2.5%405

$35K–$40K

0.9%144

$40K–$45K

2.1%343

$45K–$50K

1.4%227

$50K–$60K

5.2%852

$60K–$75K

9%1,467

$75K–$100K

13.7%2,231

$100K–$125K

13%2,124

$125K–$150K

12.9%2,095

$150K–$200K

16.3%2,660

$200K+

13.8%2,248

Federally Subsidized Housingi

HUD

The federal government helps low-income families, seniors, and people with disabilities afford housing through several programs. Residents typically pay about 30% of their income toward rent, with the government covering the rest. This data shows how many households in this community receive that assistance.

Subsidized Homesi

466

Residentsi

1,041

Avg. Tenant Renti

$381/mo

Avg. Waitlisti

17 months

Programs in this community

Housing Choice Vouchers262 homes78% occupied$395/mo rent

Rental vouchers (Section 8) that help tenants pay for private-market housing

Project Based Section 8200 homes86% occupied$363/mo rent

Privately owned apartments with rent subsidies tied to the building

811/PRAC2 homes

Household Incomei

Based on area median of $112,394/yr

Extremely low incomeUnder $34K/yr

82.1%

Very low income$34K–$56K/yr

16%

Low income$56K–$90K/yr

1.9%

Who Receives This Housing

90.9% of subsidized households are headed by a single mother

55.9% of subsidized households are minority

18.5% of subsidized households include someone with a disability

13.8% of subsidized households include a senior (62+)

Ancestry & Heritage

Self-reported ancestry groups. Residents may report multiple ancestries, so totals may exceed 100%.

Foreign-Born Populationi

Foreign-Borni

8451.8%

By Region

Top Countries

Mexico

120

China

India

Korea

Canada

Philippines

Social Characteristicsi

Marital Status (15+)i

Veteransi

2,310(7% of civilian adults)

Health Insurancei

95.4%Insured

4.6%Uninsured