Illinois · Census place 1711644

Caseyville, Illinois

Caseyville is a village in St. Clair County, Illinois with an estimated 4,395 residents on July 1, 2024. It is the 357th largest of 651 incorporated places of 1,000+ people in the state.

Population 2024: 4,395; #357 of 651 in Illinois
Change since 2020: +0.1%; +3 people
Land area: 7.3 sq mi; + 0.16 sq mi water
Density: 603 / sq mi; State median 2,177

Orange pin: Caseyville. Shaded: its county. Dark pin: Springfield.

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Tools and pages that start from Caseyville

Caseyville population, 2020 to 2024

Caseyville added 3 residents from July 2020 to July 2024, a change of +0.1%. In the latest year it moved by +23.

July 1 estimates. The April 2020 estimates base was 4,393. The axis starts above zero so yearly changes are visible.

Caseyville covers 7.29 square miles of land and 0.16 of water, for 603 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Caseyville is less dense than the typical town.

What county Caseyville is in

All of Caseyville's residents live in St. Clair County, which had 251,149 residents in 2024. Caseyville holds 1.7% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Caseyville

1 ZIP Code Tabulation Area (ZCTA) overlaps Caseyville by at least 10% of the ZCTA's or the village's land: 62232. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a village that annexed land after 2020 may reach into ZIP codes not listed here.

Where Caseyville is

The Census internal point of Caseyville is at 38.629000, -90.034500. Springfield, the capital, is 82.2 miles NNE in a straight line. The nearest larger place is Fairview Heights, IL (16,115 people), 2.9 miles away. The nearest city of 100,000 or more is St. Louis, MO, 11.4 miles away.

Internal point

Decimal: 38.629000, -90.034500
DMS: 38°37'44.40"N 90°02'4.20"W
UTM: 15N 758149.1E 4279780.2N
Geohash: 9yzgz0nyh
Plus code: 86CFJXH8+H6

Daylight in Caseyville

At 38.63° N, Caseyville 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 Caseyville

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Fairview Heights, 2.8 miles away, with 16,115 people.

Questions people ask

What is the population of Caseyville, IL?

4,395 on July 1, 2024, in the Census Vintage 2024 estimates. That is up 3 (0.1%) from 4,392 in July 2020.

What county is Caseyville in?

St. Clair County. All of its residents live in that county.

What ZIP codes cover Caseyville?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 62232.

How far is Caseyville from Springfield?

82.2 miles (132.3 km) in a straight line, heading NNE from Caseyville.

What is the nearest larger city to Caseyville?

Fairview Heights, IL, with 16,115 residents, 2.9 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

How every number is computed: methodology. Spotted a wrong figure? Report an error.