Caseyville, Illinois

Population

Steady. Within 1% of 2020, every year since.

4,402

people, the 356th-largest of Illinois's cities and towns.

Census Population Estimates, 2025. Rank among Illinois's cities and towns computed by the Almanac. Sources: Census Population Estimates

The workday

Nearly every job here goes to someone who lives somewhere else.

95.4%

of 1,825 jobs located in Caseyville are filled by in-commuters.

Census LEHD LODES, 2023. Sources: Census LEHD LODES

Rent

Median rent is up 82% since the 2005–2009 survey, before inflation.

$1,122

a month. Illinois's median is $1,274.

Census ACS 5-year, 2020-2024 (latest), with earlier 5-year windows. Survey estimates for a place this size carry wide margins of error. Sources: Census ACS 5-year

The seam

Cross one tract line and median rent doubles.

A $1,364 gap between neighbors, the sharpest rent edge between adjacent tracts in St. Clair County.

• $949 Tract 5043.58
• $2,313 Tract 5043.53

Census ACS 5-year, 2020-2024, adjacent tracts compared by the Almanac. Tract estimates carry wide margins of error. Sources: Census ACS 5-year

Room to build

The median rent sits inside what local wages can carry.

$855–$1,282

is the monthly rent range local workforce wages support.

• $1,122 median

Supportable rent computed by the Almanac from 2023 source wage data. Median rent: Census ACS 5-year, 2020-2024. Sources: Computed by the Almanac, Census ACS 5-year

Building

Most of the housing here is older than 2000.

• 267 homes permitted in ten years, 2016–2025
• 3% of those were in multifamily buildings
• 83% of all homes were built before 2000

Census Building Permits Survey, 2016–2025; Census ACS 5-year, 2020-2024. Survey estimates for a place this size carry wide margins of error. Sources: Census Building Permits Survey, Census ACS 5-year

Units needed

Closing the gap would add 0.2–1.1% to the 1,684 homes here.

3–18

is the estimated number of missing housing units, from the lowest to the highest of three estimates.

Range computed by the Almanac from 2023 jobs and household data, using three demand models: 1% of jobs located here, 1% of renter households, and a rate by town size applied to renters. The low end is the lowest of the three and the high end the highest. It is an estimate, not a count. Sources: Computed by the Almanac

Home value

A median home costs 63% less than Illinois's.

$96,800

median home value in Caseyville.

• $96,800 Caseyville
• $263,300 Illinois
• $332,700 U.S.

Census ACS 5-year, 2020-2024. Survey estimates for a place this size carry wide margins of error. Sources: Census ACS 5-year