Clayton County vs Delaware County

A side-by-side comparison of Clayton County and Delaware County: population, income, housing, and more.

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

Delaware County has the higher population (17,549 vs 17,069 in Clayton County). Delaware County has the higher median household income ($76,205 vs $62,326 in Clayton County). Delaware County has the higher median home value ($168,700 vs $155,700 in Clayton County).

Population, income & housing

	Clayton County	Delaware County
Population	17,069	17,549
Median age	46.4 yrs	44.0 yrs
Median household income	$62,326	$76,205
Median home value	$155,700	$168,700
Median gross rent	$764	$743
Housing units	8,791	8,142
Homeownership rate	76.6%	82.4%
Bachelor's degree or higher	15.7%	19.7%
Unemployment rate	2.6%	2.1%

Trends (ACS 5-year, 2019–2023)

	Clayton County	Delaware County
Population	17,625 → 17,069 (-3.2%)	17,183 → 17,549 (+2.1%)
Median household income	$53,152 → $62,326 (+17.3%)	$63,750 → $76,205 (+19.5%)
Median home value	$121,700 → $155,700 (+27.9%)	$136,100 → $168,700 (+24.0%)
Median gross rent	$648 → $764 (+17.9%)	$621 → $743 (+19.6%)

Clayton County

Population

17,62517,069

Median household income

$53,152$62,326

Median home value

$121,700$155,700

Median gross rent

$648$764

Delaware County

Population

17,18317,549

Median household income

$63,750$76,205

Median home value

$136,100$168,700

Median gross rent

$621$743

Age & race/ethnicity

Age distribution (share)

	Clayton County	Delaware County
Under 5	5.9%	5.7%
5 to 17	15.8%	17.7%
18 to 24	6.7%	7.2%
25 to 34	10.0%	9.4%
35 to 44	10.5%	11.3%
45 to 54	10.8%	11.4%
55 to 64	16.0%	16.3%
65 to 74	13.9%	11.9%
75 and over	10.5%	9.0%

Race & ethnicity (share)

	Clayton County	Delaware County
White (non-Hispanic)	95.2%	95.1%
Black or African American	0.6%	0.0%
American Indian & Alaska Native	0.1%	0.1%
Asian	0.3%	0.1%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.3%
Two or more races	1.5%	2.8%
Hispanic or Latino	2.2%	1.6%

Educational attainment (age 25+)

Share of adults 25+

	Clayton County	Delaware County
No high school diploma	9.2%	7.8%
High school graduate	43.8%	43.6%
Some college or associate's	31.2%	28.9%
Bachelor's degree	11.6%	13.8%
Graduate or professional degree	4.2%	6.0%

Commute to work

How workers get to work (share)

	Clayton County	Delaware County
Drove alone	77.0%	81.3%
Carpooled	6.5%	6.7%
Public transit	0.0%	0.5%
Walked	3.8%	1.9%
Bicycle	0.0%	0.0%
Worked from home	8.7%	8.4%
Other means	3.9%	1.2%

Housing

Units in structure (share)

	Clayton County	Delaware County
1-unit, detached	81.5%	86.8%
1-unit, attached	0.6%	1.2%
2 to 4 units	7.3%	5.0%
5 to 19 units	5.0%	1.4%
20 or more units	1.4%	2.8%
Mobile home & other	4.3%	2.8%

Poverty & households

	Clayton County	Delaware County
Poverty rate	13.6%	7.9%
Average household size	2.27	2.41
Mean commute (minutes)	24	19
Median year structure built	1962	1965