Alton vs Collinsville

A side-by-side comparison of Alton and Collinsville: population, income, housing, and more.

Alton and Collinsville are places in Illinois. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Alton has the higher population (25,430 vs 24,126 in Collinsville). Collinsville has the higher median household income ($65,170 vs $53,005 in Alton). Collinsville has the higher median home value ($157,700 vs $99,500 in Alton).

Population, income & housing

	Alton	Collinsville
Population	25,430	24,126
Median age	38.4 yrs	39.7 yrs
Median household income	$53,005	$65,170
Median home value	$99,500	$157,700
Median gross rent	$948	$979
Housing units	12,513	11,779
Homeownership rate	57.1%	64.8%
Bachelor's degree or higher	21.2%	29.9%
Unemployment rate	5.1%	4.5%

Trends (ACS 5-year, 2019–2023)

	Alton	Collinsville
Population	26,640 → 25,430 (-4.5%)	24,626 → 24,126 (-2.0%)
Median household income	$40,211 → $53,005 (+31.8%)	$53,490 → $65,170 (+21.8%)
Median home value	$79,900 → $99,500 (+24.5%)	$127,300 → $157,700 (+23.9%)
Median gross rent	$773 → $948 (+22.6%)	$902 → $979 (+8.5%)

Alton

Population

26,64025,430

Median household income

$40,211$53,005

Median home value

$79,900$99,500

Median gross rent

$773$948

Collinsville

Population

24,62624,126

Median household income

$53,490$65,170

Median home value

$127,300$157,700

Median gross rent

$902$979

Age & race/ethnicity

Age distribution (share)

	Alton	Collinsville
Under 5	5.9%	4.0%
5 to 17	17.3%	15.2%
18 to 24	7.6%	7.9%
25 to 34	14.5%	14.5%
35 to 44	13.3%	16.3%
45 to 54	12.7%	11.6%
55 to 64	11.5%	12.9%
65 to 74	10.9%	11.3%
75 and over	6.4%	6.4%

Race & ethnicity (share)

	Alton	Collinsville
White (non-Hispanic)	65.7%	71.0%
Black or African American	24.0%	16.3%
American Indian & Alaska Native	0.1%	0.0%
Asian	1.1%	1.3%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.5%	0.0%
Two or more races	5.9%	3.3%
Hispanic or Latino	2.7%	8.0%

Educational attainment (age 25+)

Share of adults 25+

	Alton	Collinsville
No high school diploma	9.2%	5.3%
High school graduate	31.1%	27.7%
Some college or associate's	38.6%	37.1%
Bachelor's degree	13.6%	19.5%
Graduate or professional degree	7.6%	10.4%

Commute to work

How workers get to work (share)

	Alton	Collinsville
Drove alone	76.1%	77.9%
Carpooled	9.9%	9.7%
Public transit	1.6%	0.4%
Walked	2.2%	0.4%
Bicycle	0.0%	0.1%
Worked from home	8.4%	10.3%
Other means	1.8%	1.3%

Housing

Units in structure (share)

	Alton	Collinsville
1-unit, detached	75.1%	67.3%
1-unit, attached	1.3%	5.8%
2 to 4 units	11.0%	12.7%
5 to 19 units	4.4%	7.2%
20 or more units	6.2%	3.9%
Mobile home & other	2.1%	3.1%

Poverty & households

	Alton	Collinsville
Poverty rate	24.5%	13.0%
Average household size	2.30	2.16
Mean commute (minutes)	24	25
Median year structure built	1953	1970