Census place 1715599

Collinsville

A Census profile of the people, homes, and daily patterns that shape this place.

Official Census name: Collinsville city

Relocation snapshot

What stands out in Collinsville.

According to the 2025 estimate, Collinsville has a population of 23,717 and 1,536 residents per square mile. Of the six relocation measures evaluated, the three largest relative differences from the median among 225 covered Illinois places are: population density is 1,536/sq mi, below the comparison median of 2,707/sq mi; median home value is $163,600, below the comparison median of $274,000; and median household income is $67,612, below the comparison median of $90,282. These unweighted medians compare covered Census places and are not statewide estimates.

population density
1,536/sq mi
Below the comparison median of 2,707/sq mi
median home value
$163,600
Below the comparison median of $274,000
median household income
$67,612
Below the comparison median of $90,282

National context

Follow the metrics.

Compare Collinsville's values with other covered Census places. Rankings are descriptive, not recommendations.

At a glance

A city in numbers.

Population
23,717
2025 estimate
Annual change
-0.4%
Population estimate
Density
1,536/sq mi
15.4 sq mi land area
Median age
38.5 years
ACS 5-year estimate

Living here

The everyday equation.

Households, homes, education, and the time it takes to get around.

Median household income
$67,612
Median home value
$163,600
Median gross rent
$1,038
Bachelor’s degree or higher
31%
Typical commute
24.2 min
Drive-alone commute
74.7%
Public transit commute
0.3%
Walked to work
0.7%

Housing

Who rents, and what it takes.

Renter share and rent burden help describe the housing choices visible in this place.

Renter-occupied homes
34%
Renters paying 30%+ of income
44.1%

Work

How the workday lands.

Employment status and working-from-home share add context to income and commuting patterns.

Employed residents 16+
62%
Unemployed residents 16+
3.1%
Working from home
12.7%

Community

The everyday infrastructure.

Access, mobility, housing growth, and household composition add another layer to a place's day-to-day picture.

Households with broadband
93.2%
Homes built 2020+
0.2%
Households without a vehicle
6.1%
Households with children
25.9%
Residents with a disability
15%
Residents without insurance
5.6%

Environmental context

A record of declared events.

FEMA declarations for Madison County provide historical context, not a forecast or a property-level risk assessment.

Environmental declarations since 2000
6
Tornado declarations
2
Flood declarations
1
Hurricane declarations
1

Climate normals

The long view of weather.

Thirty-year averages, not a forecast. Temperature and precipitation describe the typical conditions recorded from 1991 through 2020.

Representative station: CAHOKIA ST LOUIS DWTN AP (11 mi from place center)
Average high
66.5°F
Average low
46.4°F
Annual rainfall
40.8"
Annual snowfall
0"

Month by month

A year in Collinsville.

Typical high and low °F
20°F40°F60°F80°F100°F
JFMAMJJASOND
Typical precipitation inches

Data vintage

Population is from the 2025 Population Estimates Program. Household, housing, education, and commute data are from the 2020-2024 American Community Survey 5-year release. Disaster declarations are from FEMA's OpenFEMA dataset and are refreshed with this edition.

Similar places

More places to consider.

Selected by the closest mix of population, density, median home value, and average annual high.

Hazelwood, MO

Population, housing, work, and travel data for this Census place.

Population
24,849
Median home
$167,400

Radcliff, KY

Population, housing, work, and travel data for this Census place.

Population
22,576
Median home
$169,600

Henderson, KY

Population, housing, work, and travel data for this Census place.

Population
27,822
Median home
$160,100

Keep exploring

Compare Collinsville with Hazelwood