Allen County vs Marion County

A side-by-side comparison of Allen County and Marion County: population, income, housing, and more.

Allen County and Marion County are counties in Indiana. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Marion County has the higher population (971,822 vs 388,791 in Allen County). Allen County has the higher median household income ($68,839 vs $63,450 in Marion County). Marion County has the higher median home value ($207,000 vs $194,300 in Allen County).

Population, income & housing

	Allen County	Marion County
Population	388,791	971,822
Median age	36.2 yrs	34.3 yrs
Median household income	$68,839	$63,450
Median home value	$194,300	$207,000
Median gross rent	$976	$1,107
Housing units	164,456	439,034
Homeownership rate	69.1%	55.9%
Bachelor's degree or higher	31.1%	34.1%
Unemployment rate	4.6%	5.1%

Trends (ACS 5-year, 2019–2023)

	Allen County	Marion County
Population	372,575 → 388,791 (+4.4%)	951,869 → 971,822 (+2.1%)
Median household income	$54,857 → $68,839 (+25.5%)	$48,316 → $63,450 (+31.3%)
Median home value	$129,300 → $194,300 (+50.3%)	$136,700 → $207,000 (+51.4%)
Median gross rent	$773 → $976 (+26.3%)	$889 → $1,107 (+24.5%)

Allen County

Population

372,575388,791

Median household income

$54,857$68,839

Median home value

$129,300$194,300

Median gross rent

$773$976

Marion County

Population

951,869971,822

Median household income

$48,316$63,450

Median home value

$136,700$207,000

Median gross rent

$889$1,107

Age & race/ethnicity

Age distribution (share)

	Allen County	Marion County
Under 5	6.8%	7.0%
5 to 17	18.7%	18.0%
18 to 24	9.0%	9.4%
25 to 34	14.1%	16.6%
35 to 44	12.7%	13.4%
45 to 54	11.7%	11.2%
55 to 64	11.8%	11.5%
65 to 74	9.3%	8.1%
75 and over	6.0%	4.8%

Race & ethnicity (share)

	Allen County	Marion County
White (non-Hispanic)	70.6%	50.5%
Black or African American	10.7%	27.3%
American Indian & Alaska Native	0.1%	0.1%
Asian	5.0%	3.9%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.4%	0.5%
Two or more races	4.5%	4.3%
Hispanic or Latino	8.8%	13.4%

Educational attainment (age 25+)

Share of adults 25+

	Allen County	Marion County
No high school diploma	9.7%	12.3%
High school graduate	28.0%	27.1%
Some college or associate's	31.2%	26.6%
Bachelor's degree	20.8%	21.7%
Graduate or professional degree	10.3%	12.4%

Commute to work

How workers get to work (share)

	Allen County	Marion County
Drove alone	79.1%	73.8%
Carpooled	9.5%	9.7%
Public transit	0.8%	1.3%
Walked	1.2%	1.7%
Bicycle	0.4%	0.4%
Worked from home	8.3%	12.3%
Other means	0.7%	0.9%

Housing

Units in structure (share)

	Allen County	Marion County
1-unit, detached	73.9%	59.7%
1-unit, attached	2.5%	8.0%
2 to 4 units	5.8%	8.5%
5 to 19 units	9.0%	14.1%
20 or more units	5.9%	8.2%
Mobile home & other	2.9%	1.6%

Poverty & households

	Allen County	Marion County
Poverty rate	12.2%	15.1%
Average household size	2.48	2.41
Mean commute (minutes)	22	24
Median year structure built	1976	1972