Knox County vs Marshall County

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

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

Marshall County has the higher population (31,728 vs 30,034 in Knox County). Marshall County has the higher median household income ($63,611 vs $33,153 in Knox County). Marshall County has the higher median home value ($173,700 vs $109,200 in Knox County).

Population, income & housing

	Knox County	Marshall County
Population	30,034	31,728
Median age	39.8 yrs	44.9 yrs
Median household income	$33,153	$63,611
Median home value	$109,200	$173,700
Median gross rent	$631	$773
Housing units	13,824	16,461
Homeownership rate	65.6%	82.1%
Bachelor's degree or higher	13.5%	21.0%
Unemployment rate	7.9%	3.7%

Trends (ACS 5-year, 2019–2023)

	Knox County	Marshall County
Population	31,365 → 30,034 (-4.2%)	31,192 → 31,728 (+1.7%)
Median household income	$30,181 → $33,153 (+9.8%)	$55,113 → $63,611 (+15.4%)
Median home value	$86,800 → $109,200 (+25.8%)	$131,100 → $173,700 (+32.5%)
Median gross rent	$562 → $631 (+12.3%)	$690 → $773 (+12.0%)

Knox County

Population

31,36530,034

Median household income

$30,181$33,153

Median home value

$86,800$109,200

Median gross rent

$562$631

Marshall County

Population

31,19231,728

Median household income

$55,113$63,611

Median home value

$131,100$173,700

Median gross rent

$690$773

Age & race/ethnicity

Age distribution (share)

	Knox County	Marshall County
Under 5	6.2%	4.9%
5 to 17	17.4%	15.5%
18 to 24	8.4%	6.9%
25 to 34	12.8%	11.1%
35 to 44	11.7%	11.6%
45 to 54	13.0%	12.7%
55 to 64	13.2%	15.1%
65 to 74	9.9%	13.0%
75 and over	7.4%	9.1%

Race & ethnicity (share)

	Knox County	Marshall County
White (non-Hispanic)	95.1%	95.6%
Black or African American	0.8%	0.7%
American Indian & Alaska Native	0.0%	0.2%
Asian	0.1%	0.4%
Native Hawaiian & Pacific Islander	0.1%	0.0%
Some other race	0.0%	0.0%
Two or more races	2.7%	1.2%
Hispanic or Latino	1.2%	1.9%

Educational attainment (age 25+)

Share of adults 25+

	Knox County	Marshall County
No high school diploma	24.3%	7.7%
High school graduate	38.5%	36.9%
Some college or associate's	23.7%	34.4%
Bachelor's degree	7.0%	12.5%
Graduate or professional degree	6.6%	8.5%

Commute to work

How workers get to work (share)

	Knox County	Marshall County
Drove alone	78.1%	78.8%
Carpooled	9.4%	11.3%
Public transit	0.0%	0.1%
Walked	1.0%	1.5%
Bicycle	0.0%	0.0%
Worked from home	9.9%	6.5%
Other means	1.6%	1.9%

Housing

Units in structure (share)

	Knox County	Marshall County
1-unit, detached	57.1%	76.4%
1-unit, attached	0.2%	0.7%
2 to 4 units	4.5%	3.0%
5 to 19 units	5.8%	2.2%
20 or more units	1.3%	2.4%
Mobile home & other	31.1%	15.3%

Poverty & households

	Knox County	Marshall County
Poverty rate	36.7%	13.4%
Average household size	2.59	2.37
Mean commute (minutes)	26	24
Median year structure built	1985	1984