Carroll County vs Spencer County

A side-by-side comparison of Carroll County and Spencer County: population, income, housing, and more.

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

Carroll County has the higher population (20,443 vs 19,871 in Spencer County). Spencer County has the higher median household income ($70,890 vs $64,003 in Carroll County). Spencer County has the higher median home value ($180,200 vs $167,700 in Carroll County).

Population, income & housing

	Carroll County	Spencer County
Population	20,443	19,871
Median age	42.9 yrs	44.2 yrs
Median household income	$64,003	$70,890
Median home value	$167,700	$180,200
Median gross rent	$874	$697
Housing units	9,539	8,685
Homeownership rate	80.7%	81.2%
Bachelor's degree or higher	15.5%	21.2%
Unemployment rate	2.9%	3.4%

Trends (ACS 5-year, 2019–2023)

	Carroll County	Spencer County
Population	20,074 → 20,443 (+1.8%)	20,447 → 19,871 (-2.8%)
Median household income	$54,806 → $64,003 (+16.8%)	$57,305 → $70,890 (+23.7%)
Median home value	$131,700 → $167,700 (+27.3%)	$127,700 → $180,200 (+41.1%)
Median gross rent	$691 → $874 (+26.5%)	$708 → $697 (-1.6%)

Carroll County

Population

20,07420,443

Median household income

$54,806$64,003

Median home value

$131,700$167,700

Median gross rent

$691$874

Spencer County

Population

20,44719,871

Median household income

$57,305$70,890

Median home value

$127,700$180,200

Median gross rent

$708$697

Age & race/ethnicity

Age distribution (share)

	Carroll County	Spencer County
Under 5	5.3%	5.0%
5 to 17	16.7%	16.7%
18 to 24	7.5%	7.0%
25 to 34	11.3%	11.2%
35 to 44	11.7%	11.7%
45 to 54	12.6%	12.5%
55 to 64	14.5%	15.6%
65 to 74	12.1%	12.4%
75 and over	8.3%	7.9%

Race & ethnicity (share)

	Carroll County	Spencer County
White (non-Hispanic)	92.6%	93.4%
Black or African American	0.7%	0.6%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.1%	0.3%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.1%	0.4%
Two or more races	2.1%	1.8%
Hispanic or Latino	4.4%	3.5%

Educational attainment (age 25+)

Share of adults 25+

	Carroll County	Spencer County
No high school diploma	10.3%	6.9%
High school graduate	44.4%	38.4%
Some college or associate's	29.9%	33.5%
Bachelor's degree	10.1%	13.4%
Graduate or professional degree	5.4%	7.8%

Commute to work

How workers get to work (share)

	Carroll County	Spencer County
Drove alone	85.3%	86.6%
Carpooled	7.3%	6.0%
Public transit	0.3%	0.0%
Walked	0.9%	1.8%
Bicycle	0.0%	0.0%
Worked from home	5.1%	4.8%
Other means	1.0%	0.7%

Housing

Units in structure (share)

	Carroll County	Spencer County
1-unit, detached	85.2%	81.0%
1-unit, attached	0.5%	0.6%
2 to 4 units	3.9%	5.2%
5 to 19 units	3.5%	2.2%
20 or more units	0.3%	1.3%
Mobile home & other	6.5%	9.7%

Poverty & households

	Carroll County	Spencer County
Poverty rate	8.4%	6.6%
Average household size	2.53	2.45
Mean commute (minutes)	25	26
Median year structure built	1965	1979