Ballwin, Missouri

Ballwin population, 2020 to 2024

Ballwin lost 629 residents from July 2020 to July 2024, a change of -2.0%. In the latest year it moved by -1. Among 135 Missouri places of 5,000 or more, that growth ranks 117th; the median place changed by +1.2%. The median place of 5,000+ in Missouri has 12,239 people, so Ballwin is 2.5 times that size.

Ballwin covers 9.08 square miles of land, for 3,418 people per square mile of land. The median Missouri place of 5,000+ has 1,448, so Ballwin is denser than the typical town.

What county Ballwin is in

All of Ballwin's residents live in St. Louis County, which had 992,929 residents in 2024. Ballwin holds 3.1% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Ballwin

2 ZIP Code Tabulation Areas (ZCTAs) overlap Ballwin by at least 10% of the ZCTA's or the city's land: 63011, 63021. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Ballwin is

The Census internal point of Ballwin is at 38.594700, -90.550000. Jefferson City, the capital, is 87.7 miles W in a straight line. The nearest larger place is Chesterfield, MO (49,465 people), 4.6 miles away. The nearest city of 100,000 or more is St. Louis, MO, 16.7 miles away.

Daylight in Ballwin

At 38.59° N, Ballwin gets about 14 h 52 min of daylight around the June solstice and 9 h 28 min around the December solstice, a swing of 5 h 24 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Ballwin

The eight nearest incorporated places of 1,000+ in Missouri, measured between internal points. The closest is Winchester, 1.3 miles away, with 1,407 people.