Decatur vs Monroe

A side-by-side comparison of Decatur and Monroe: population, income, housing, and more.

Decatur and Monroe are places in Indiana. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Decatur has the higher population (9,769 vs 629 in Monroe). Monroe has the higher median household income ($70,000 vs $58,867 in Decatur). Monroe has the higher median home value ($145,300 vs $132,900 in Decatur).

Population, income & housing

	Decatur	Monroe
Population	9,769	629
Median age	43.6 yrs	30.0 yrs
Median household income	$58,867	$70,000
Median home value	$132,900	$145,300
Median gross rent	$804	$670
Housing units	4,708	222
Homeownership rate	73.1%	79.1%
Bachelor's degree or higher	12.7%	20.9%
Unemployment rate	2.1%	0.3%

Trends (ACS 5-year, 2019–2023)

	Decatur	Monroe
Population	9,863 → 9,769 (-1.0%)	945 → 629 (-33.4%)
Median household income	$45,149 → $58,867 (+30.4%)	$59,028 → $70,000 (+18.6%)
Median home value	$97,700 → $132,900 (+36.0%)	$110,800 → $145,300 (+31.1%)
Median gross rent	$619 → $804 (+29.9%)	$744 → $670 (-9.9%)

Decatur

Population

9,8639,769

Median household income

$45,149$58,867

Median home value

$97,700$132,900

Median gross rent

$619$804

Monroe

Population

945629

Median household income

$59,028$70,000

Median home value

$110,800$145,300

Median gross rent

$744$670

Age & race/ethnicity

Age distribution (share)

	Decatur	Monroe
Under 5	7.8%	7.9%
5 to 17	11.1%	24.6%
18 to 24	9.7%	7.9%
25 to 34	12.0%	17.2%
35 to 44	11.2%	6.8%
45 to 54	14.0%	16.4%
55 to 64	15.2%	8.4%
65 to 74	11.3%	5.9%
75 and over	7.6%	4.8%

Race & ethnicity (share)

	Decatur	Monroe
White (non-Hispanic)	87.0%	92.8%
Black or African American	1.1%	0.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.0%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.3%	0.6%
Two or more races	1.9%	1.0%
Hispanic or Latino	9.7%	5.6%

Educational attainment (age 25+)

Share of adults 25+

	Decatur	Monroe
No high school diploma	5.7%	6.1%
High school graduate	49.5%	30.5%
Some college or associate's	32.1%	42.5%
Bachelor's degree	10.4%	13.4%
Graduate or professional degree	2.3%	7.5%

Commute to work

How workers get to work (share)

	Decatur	Monroe
Drove alone	87.1%	80.8%
Carpooled	6.9%	6.7%
Public transit	0.0%	0.0%
Walked	3.2%	5.8%
Bicycle	0.0%	0.0%
Worked from home	2.4%	6.1%
Other means	0.5%	0.6%

Housing

Units in structure (share)

	Decatur	Monroe
1-unit, detached	78.6%	90.5%
1-unit, attached	3.5%	0.0%
2 to 4 units	3.7%	9.5%
5 to 19 units	11.2%	0.0%
20 or more units	3.0%	0.0%
Mobile home & other	0.0%	0.0%

Poverty & households

	Decatur	Monroe
Poverty rate	10.8%	11.3%
Average household size	2.17	2.86
Mean commute (minutes)	23	19
Median year structure built	1968	1963