Clay County vs Marion County

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

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

Clay County has the higher population (20,105 vs 19,680 in Marion County). Marion County has the higher median household income ($55,404 vs $39,607 in Clay County). Marion County has the higher median home value ($158,700 vs $87,300 in Clay County).

Population, income & housing

	Clay County	Marion County
Population	20,105	19,680
Median age	40.6 yrs	39.6 yrs
Median household income	$39,607	$55,404
Median home value	$87,300	$158,700
Median gross rent	$698	$731
Housing units	8,642	8,427
Homeownership rate	77.6%	77.3%
Bachelor's degree or higher	16.6%	12.7%
Unemployment rate	10.2%	5.5%

Trends (ACS 5-year, 2019–2023)

	Clay County	Marion County
Population	20,368 → 20,105 (-1.3%)	19,244 → 19,680 (+2.3%)
Median household income	$26,840 → $39,607 (+47.6%)	$40,107 → $55,404 (+38.1%)
Median home value	$54,100 → $87,300 (+61.4%)	$105,400 → $158,700 (+50.6%)
Median gross rent	$533 → $698 (+31.0%)	$630 → $731 (+16.0%)

Clay County

Population

20,36820,105

Median household income

$26,840$39,607

Median home value

$54,100$87,300

Median gross rent

$533$698

Marion County

Population

19,24419,680

Median household income

$40,107$55,404

Median home value

$105,400$158,700

Median gross rent

$630$731

Age & race/ethnicity

Age distribution (share)

	Clay County	Marion County
Under 5	5.7%	6.3%
5 to 17	15.1%	17.7%
18 to 24	6.9%	8.0%
25 to 34	14.9%	12.7%
35 to 44	13.9%	12.1%
45 to 54	14.1%	12.3%
55 to 64	13.8%	14.0%
65 to 74	10.2%	10.1%
75 and over	5.5%	6.8%

Race & ethnicity (share)

	Clay County	Marion County
White (non-Hispanic)	91.4%	86.6%
Black or African American	4.6%	7.2%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.0%	0.6%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.1%
Two or more races	2.7%	1.9%
Hispanic or Latino	1.2%	3.5%

Educational attainment (age 25+)

Share of adults 25+

	Clay County	Marion County
No high school diploma	25.9%	13.7%
High school graduate	37.1%	45.9%
Some college or associate's	20.4%	27.7%
Bachelor's degree	7.5%	6.5%
Graduate or professional degree	9.1%	6.2%

Commute to work

How workers get to work (share)

	Clay County	Marion County
Drove alone	76.5%	88.2%
Carpooled	13.5%	6.6%
Public transit	0.4%	0.0%
Walked	1.3%	0.4%
Bicycle	0.1%	0.0%
Worked from home	7.4%	2.9%
Other means	0.7%	1.8%

Housing

Units in structure (share)

	Clay County	Marion County
1-unit, detached	63.0%	75.2%
1-unit, attached	0.4%	0.5%
2 to 4 units	2.8%	5.4%
5 to 19 units	2.7%	3.6%
20 or more units	0.9%	1.5%
Mobile home & other	30.3%	13.8%

Poverty & households

	Clay County	Marion County
Poverty rate	31.8%	19.5%
Average household size	2.59	2.46
Mean commute (minutes)	28	21
Median year structure built	1987	1982