Demographics of Ballwin city, Missouri

Ballwin city, Missouri had 30,901 people on July 1, 2025, by the Census Bureau’s estimate: −761 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Ballwin city, in four figures

30,901
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 31,279 ±51.; −2.4%
Change since July 2020: −761 people.; 42.6 ±2.8
Median age: ACS 2020–⁠2024.; $124,626 ±$8,097
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. The Bureau publishes no births, deaths or migration for a place, so the change is the difference between one July estimate and the next.

Ballwin city, Missouri's population shrank 2.4% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Ballwin city, Missouri's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — incorporated places and New England towns

About this chart

The figures

Ballwin city, Missouri's population shrank 2.4% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Ballwin city, Missouri's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	31,662	100.0	100.0
2021	31,452	99.3	100.2
2022	31,166	98.4	100.7
2023	31,005	97.9	101.6
2024	30,992	97.9	102.5
2025	30,901	97.6	103.1

Population of Ballwin city, Missouri on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	31,662	—
2021	31,452	−210
2022	31,166	−286
2023	31,005	−161
2024	30,992	−13
2025	30,901	−91

Age, 2020–2024

The median age is 42.6 ±2.8: for men 40.4 ±3.3 and for women 45.1 ±2.4. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Ballwin city by age, ACS 2020–2024
Age	People	Share	Missouri	United States
Under 5	2,212 ±449	7.1% ±1.4	5.8% ±<0.1	5.6% ±<0.1
5 to 17	4,749 ±510	15.2% ±1.6	16.6% ±0.1	16.3% ±<0.1
18 to 24	2,289 ±405	7.3% ±1.3	9.1% ±0.1	9.1% ±<0.1
25 to 44	7,267 ±727	23.2% ±2.3	26.0% ±0.1	26.9% ±<0.1
45 to 64	8,802 ±687	28.1% ±2.2	24.6% ±0.1	24.8% ±<0.1
65 and over	5,960 ±614	19.1% ±2.0	17.9% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $124,626 ±$8,097, and income per person $57,442 ±$4,678, in 2024 dollars. The median is $70,702 ±$325 in Missouri and $80,734 ±$166 in the United States.

Households by income

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Households in Ballwin city by income, ACS 2020–2024
Household income	Households	Share	Missouri	United States
Under $25,000	856 ±312	7.1% ±2.6	15.8% ±0.2	14.6% ±<0.1
$25,000 to $49,999	1,436 ±309	11.9% ±2.5	19.6% ±0.2	16.7% ±<0.1
$50,000 to $74,999	1,167 ±269	9.7% ±2.2	17.4% ±0.2	15.5% ±<0.1
$75,000 to $99,999	1,422 ±281	11.8% ±2.3	13.2% ±0.2	12.6% ±<0.1
$100,000 to $149,999	2,484 ±395	20.6% ±3.2	17.1% ±0.2	17.5% ±<0.1
$150,000 to $199,999	1,972 ±328	16.3% ±2.7	8.2% ±0.1	9.6% ±<0.1
$200,000 or more	2,742 ±364	22.7% ±2.9	8.7% ±0.1	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Ballwin city by age, ACS 2020–2024
Age	Below poverty	Rate	Missouri	United States
All ages	1,496 ±619	4.8% ±2.0	12.6% ±0.2	12.5% ±0.1
Under 18	164 to 602	2.4% to 8.6%	15.8% ±0.4	16.1% ±0.1
18 to 59	857 ±383	5.4% ±2.4	12.0% ±0.2	11.6% ±0.1
60 and over	122 to 390	1.4% to 4.5%	10.9% ±0.2	11.0% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Housing, 2020–2024

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Housing in Ballwin city, ACS 2020–2024
Measure	Ballwin city	Missouri	United States
Housing units	12,563 ±425	2,825,287 ±1,043	143,775,355 ±10,234
Occupied	96.1% ±1.0	88.8% ±0.2	89.9% ±0.1
Vacant	3.9% ±1.9	11.2% ±0.2	10.1% ±0.1
Owner occupied	84.2% ±2.7	68.1% ±0.3	65.2% ±0.3
Renter occupied	15.8% ±2.3	31.9% ±0.2	34.8% ±0.1
Median home value	$377,100 ±$9,965	$230,300 ±$880	$332,700 ±$236
Median gross rent	$1,418 ±$70	$1,033 ±$6	$1,413 ±$2
Median year built	1976 ±2	1978 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Ballwin city by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Missouri	United States
Hispanic or Latino	1,295 ±500	4.1% ±1.6	5.2% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	23,448 ±1,179	75.0% ±3.8	76.3% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	387 to 1,367	1.2% to 4.4%	10.9% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	2,772 ±560	8.9% ±1.8	2.1% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 22	0% to 0.1%	0.2% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 26	0% to 0.1%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 643	0% to 2.1%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	2,578 ±887	8.2% ±2.8	4.8% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Ballwin city by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Missouri	United States
Born in the state	19,146 ±775	61.2% ±2.5	65.6% ±0.2	57.3% ±<0.1
Born in another state	9,167 ±711	29.3% ±2.3	29.1% ±0.1	26.9% ±<0.1
Born a citizen outside the states	19 to 151	0.1% to 0.5%	0.8% ±<0.1	1.7% ±<0.1
Born abroad	2,881 ±489	9.2% ±1.6	4.5% ±0.1	14.1% ±<0.1
Naturalized citizens	1,645 ±401	5.3% ±1.3	2.3% ±0.1	7.4% ±<0.1
Not citizens	1,236 ±399	4.0% ±1.3	2.2% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Ballwin city among the places of Missouri

20th of 143 places of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the Missouri page.

Places of Missouri near Ballwin city in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Jefferson City city	42,488 ±65
Cape Girardeau city	40,344 ±70
Oakville CDP	35,333 ±1,793
Wildwood city	35,133 ±55
University City city	34,685 ±42
Ballwin city	31,279 ±51
Liberty city	30,689 ±46
Mehlville CDP	29,805 ±2,166
Raytown city	29,445 ±27
Kirkwood city	29,363 ±40
Maryland Heights city	27,880 ±58

Elsewhere on the site

Reported crime in Ballwin city, Missouri

Sources

Census Bureau population estimates — incorporated places and New England towns — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026