Clinton County vs Marshall County

A side-by-side comparison of Clinton County and Marshall County: population, income, housing, and more.

Clinton County and Marshall County are counties in Iowa. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Clinton County has the higher population (46,383 vs 39,971 in Marshall County). Marshall County has the higher median household income ($72,785 vs $65,177 in Clinton County). Clinton County has the higher median home value ($153,800 vs $134,100 in Marshall County).

Population, income & housing

	Clinton County	Marshall County
Population	46,383	39,971
Median age	42.5 yrs	38.7 yrs
Median household income	$65,177	$72,785
Median home value	$153,800	$134,100
Median gross rent	$825	$860
Housing units	21,590	16,860
Homeownership rate	73.1%	73.3%
Bachelor's degree or higher	22.1%	21.4%
Unemployment rate	3.8%	4.0%

Trends (ACS 5-year, 2019–2023)

	Clinton County	Marshall County
Population	46,909 → 46,383 (-1.1%)	39,964 → 39,971 (+0.0%)
Median household income	$51,688 → $65,177 (+26.1%)	$56,437 → $72,785 (+29.0%)
Median home value	$118,100 → $153,800 (+30.2%)	$106,000 → $134,100 (+26.5%)
Median gross rent	$683 → $825 (+20.8%)	$689 → $860 (+24.8%)

Clinton County

Population

46,90946,383

Median household income

$51,688$65,177

Median home value

$118,100$153,800

Median gross rent

$683$825

Marshall County

Population

39,96439,971

Median household income

$56,437$72,785

Median home value

$106,000$134,100

Median gross rent

$689$860

Age & race/ethnicity

Age distribution (share)

	Clinton County	Marshall County
Under 5	5.7%	6.0%
5 to 17	17.0%	19.3%
18 to 24	7.8%	8.3%
25 to 34	11.1%	11.4%
35 to 44	11.3%	12.0%
45 to 54	12.0%	11.4%
55 to 64	14.9%	13.1%
65 to 74	11.7%	10.9%
75 and over	8.4%	7.6%

Race & ethnicity (share)

	Clinton County	Marshall County
White (non-Hispanic)	89.5%	67.4%
Black or African American	2.9%	1.5%
American Indian & Alaska Native	0.1%	0.2%
Asian	0.8%	4.3%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.1%	0.3%
Two or more races	3.2%	2.5%
Hispanic or Latino	3.5%	23.8%

Educational attainment (age 25+)

Share of adults 25+

	Clinton County	Marshall County
No high school diploma	7.3%	13.0%
High school graduate	36.2%	34.5%
Some college or associate's	34.4%	31.0%
Bachelor's degree	15.6%	14.6%
Graduate or professional degree	6.5%	6.8%

Commute to work

How workers get to work (share)

	Clinton County	Marshall County
Drove alone	82.6%	76.4%
Carpooled	7.1%	13.0%
Public transit	0.4%	0.0%
Walked	2.0%	2.9%
Bicycle	0.2%	0.2%
Worked from home	6.0%	7.0%
Other means	1.8%	0.5%

Housing

Units in structure (share)

	Clinton County	Marshall County
1-unit, detached	77.4%	77.6%
1-unit, attached	3.0%	1.9%
2 to 4 units	7.5%	7.2%
5 to 19 units	6.3%	5.9%
20 or more units	4.6%	4.3%
Mobile home & other	1.2%	3.1%

Poverty & households

	Clinton County	Marshall County
Poverty rate	13.1%	11.1%
Average household size	2.35	2.48
Mean commute (minutes)	21	20
Median year structure built	1958	1958