Ballwin, Missouri Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Ballwin, Missouri is 30,835 as of the 2023 American Community Survey, making it the 21st-largest city in Missouri. The median household income is $121,170, the median home value is $353,400, and the median age is 42.3.
The population has grown 2.0% since 2010 (30,423 → 31,036).
30,835
Population
3394
People / sq mi
$121,170
Median Income
$353,400
Median Home Value
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Ballwin covers 9.1 sq mi of land at 3394 people per square mile.
About Ballwin, MO
Ballwin is defined demographically by education — 65.1% of adults hold a bachelor’s degree, above the national average. Ballwin is a city in Missouri with a population of 30,835. It ranks #21 among cities in Missouri by population.
The typical household earns $121,170 a year, above the US median of $78,538. Poverty is relatively low for US cities at 3.1%, below the national 12.4%. Median home value is $353,400, with typical rent around $1,386.
Degree attainment is near the top of the range for US cities: 65.1% of adults 25+ hold a bachelor’s, above the 35.0% national rate. A solid 19.2% of workers are based at home, above the national 14.0%, and the average commute runs about 25 minutes each way.
The education numbers are the throughline: a college-heavy population in Ballwin usually coincides with higher incomes and a workforce concentrated in professional and information industries.
Ballwin city Population History (2010-2024)
The city of Ballwin city had a population of 30,423 in 2010 and 31,036 in 2024, a 2.0% growth over 14 years. The peak was 31,665 in 2020. Average annual growth rate: 0.15%.
31,036
Population (2024)
30,423
Population (2010)
31,665
Peak (2020)
0.15%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 30,423 |
| 2011 | 30,451 |
| 2012 | 30,451 |
| 2013 | 30,456 |
| 2014 | 30,458 |
| 2015 | 30,503 |
| 2016 | 30,310 |
| 2017 | 30,194 |
| 2018 | 30,135 |
| 2019 | 30,082 |
| 2020 | 31,665 |
| 2021 | 31,450 |
| 2022 | 31,174 |
| 2023 | 31,037 |
| 2024 | 31,036 |
Race & Ethnicity
| White | 78.0% |
| Black or African American | 2.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.6% |
| Two or More Races | 0.0% |
Economy & Income
$121,170
Median Household Income
$57,206
Per Capita Income
3.1%
Poverty Rate
1.4%
Unemployment Rate
Housing
$353,400
Median Home Value
$1,386
Median Rent
83.6%
Owner-Occupied
Education
98.1%
High School+
65.1%
Bachelor's+
Commute
0.2%
Drive Alone
75.7%
Public Transit
19.2%
Work From Home
24.7 min
Avg Commute
Community Profile
29.7%
Foreign Born
88.1%
Non-English at Home
5.7%
Veterans
8.4%
With Disability
96.3%
Health Insurance
96.5%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 25.2% |
| Finance, Insurance & Real Estate | 14.7% |
| Information | 14.3% |
| Manufacturing | 11.7% |
| Education, Health Care & Social Services | 6.7% |
| Arts, Entertainment & Food Services | 3.5% |
| Construction | 3.2% |
| Retail Trade | 3.0% |
| Public Administration | 2.3% |
| Transportation & Warehousing | 1.7% |
| Agriculture & Mining | 0.4% |
Largest cities in Missouri
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Part of Missouri
Metro areas in Missouri
City rankings
Frequently Asked Questions
Ballwin, Missouri has a population of 30,835 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 21st-largest city in Missouri.
The median household income in Ballwin, Missouri is $121,170, with 3.1% of residents living below the federal poverty level.
The median home value in Ballwin, Missouri is $353,400, with median monthly rent at $1,386 and a homeownership rate of 83.6%.
The median age in Ballwin, Missouri is 42.3 years. The population is 49.3% male and 50.7% female.
The population has grown 2.0% since 2010 (30,423 → 31,036).
Where to stay in Ballwin
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.