Demographics of Marshall County, Kentucky

Marshall County, Kentucky had 31,659 people on July 1, 2025, by the Census Bureau’s estimate: −30 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Marshall County, in four figures

31,659
Population: July 1, 2025, Vintage 2025 estimate.; −0.1%
Change since July 2020: −30 people.; 45.1 ±0.1
Median age: ACS 2020–⁠2024.; $65,831 ±$6,084
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Marshall County, Kentucky's population shrank 0.1% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Marshall County, Kentucky's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Marshall County, Kentucky's population shrank 0.1% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Marshall County, Kentucky's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	31,689	100.0	100.0
2021	31,810	100.4	100.2
2022	31,765	100.2	100.7
2023	31,705	100.1	101.6
2024	31,655	99.9	102.5
2025	31,659	99.9	103.1

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Population of Marshall County, Kentucky on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	31,689	+27	−41	0	+69
2021	31,810	+121	−189	0	+301
2022	31,765	−45	−199	−2	+169
2023	31,705	−60	−154	−3	+102
2024	31,655	−50	−194	−1	+149
2025	31,659	+4	−190	−8	+203

Age, 2020–2024

The median age is 45.1 ±0.1: for men 43.9 ±0.3 and for women 45.8 ±0.9. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Marshall County by age, ACS 2020–2024
Age	People	Share	Kentucky	United States
Under 5	1,489 ±43	4.7% ±0.1	5.9% ±<0.1	5.6% ±<0.1
5 to 17	4,899 ±429	15.4% ±1.4	16.7% ±0.1	16.3% ±<0.1
18 to 24	2,239 ±288	7.1% ±0.9	9.1% ±0.1	9.1% ±<0.1
25 to 44	7,205 ±366	22.7% ±1.2	25.7% ±0.1	26.9% ±<0.1
45 to 64	8,746 ±418	27.6% ±1.3	25.3% ±0.1	24.8% ±<0.1
65 and over	7,165 ±501	22.6% ±1.6	17.3% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $65,831 ±$6,084, and income per person $34,734 ±$1,869, in 2024 dollars. The median is $63,726 ±$429 in Kentucky and $80,734 ±$166 in the United States.

Households by income

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Households in Marshall County by income, ACS 2020–2024
Household income	Households	Share	Kentucky	United States
Under $25,000	2,297 ±361	17.4% ±2.7	19.6% ±0.3	14.6% ±<0.1
$25,000 to $49,999	2,626 ±434	19.9% ±3.2	20.4% ±0.3	16.7% ±<0.1
$50,000 to $74,999	2,246 ±357	17.0% ±2.6	17.1% ±0.2	15.5% ±<0.1
$75,000 to $99,999	2,304 ±339	17.4% ±2.5	12.8% ±0.2	12.6% ±<0.1
$100,000 to $149,999	1,899 ±288	14.4% ±2.1	15.9% ±0.2	17.5% ±<0.1
$150,000 to $199,999	1,071 ±283	8.1% ±2.1	7.1% ±0.2	9.6% ±<0.1
$200,000 or more	766 ±218	5.8% ±1.6	7.2% ±0.1	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Marshall County by age, ACS 2020–2024
Age	Below poverty	Rate	Kentucky	United States
All ages	3,806 ±631	12.3% ±2.0	16.1% ±0.3	12.5% ±0.1
Under 18	915 ±232	14.8% ±3.6	20.3% ±0.4	16.1% ±0.1
18 to 59	1,904 ±404	12.2% ±2.5	15.4% ±0.3	11.6% ±0.1
60 and over	987 ±217	10.7% ±2.3	13.4% ±0.3	11.0% ±<0.1

Housing, 2020–2024

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Housing in Marshall County, ACS 2020–2024
Measure	Marshall County	Kentucky	United States
Housing units	16,572 ±32	2,023,116 ±474	143,775,355 ±10,234
Occupied	79.7% ±2.6	89.7% ±0.3	89.9% ±0.1
Vacant	20.3% ±2.6	10.3% ±0.3	10.1% ±0.1
Owner occupied	81.6% ±0.9	68.3% ±0.4	65.2% ±0.3
Renter occupied	18.4% ±2.8	31.7% ±0.3	34.8% ±0.1
Median home value	$173,800 ±$13,742	$205,600 ±$1,096	$332,700 ±$236
Median gross rent	$798 ±$58	$967 ±$5	$1,413 ±$2
Median year built	1983 ±2	1982 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Marshall County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Kentucky	United States
Hispanic or Latino	622 ±0	2.0% ±<0.1	5.0% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	30,284 ±139	95.4% ±0.4	81.5% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	187 ±59	0.6% ±0.2	7.6% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	128 ±19	0.4% ±0.1	1.6% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	5 to 101	< 0.1% to 0.3%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 11	0% to < 0.1%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 27	0% to 0.1%	0.3% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	465 ±174	1.5% ±0.5	3.9% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Marshall County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Kentucky	United States
Born in the state	20,702 ±802	65.2% ±2.5	67.3% ±0.2	57.3% ±<0.1
Born in another state	10,569 ±802	33.3% ±2.5	27.1% ±0.2	26.9% ±<0.1
Born a citizen outside the states	61 to 297	0.2% to 0.9%	0.9% ±<0.1	1.7% ±<0.1
Born abroad	293 ±97	0.9% ±0.3	4.7% ±0.1	14.1% ±<0.1
Naturalized citizens	100 to 314	0.3% to 1.0%	1.9% ±0.1	7.4% ±<0.1
Not citizens	20 to 152	0.1% to 0.5%	2.8% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Marshall County among the counties of Kentucky

32nd of 120 by population, July 2025. Every one is listed on the Kentucky page.

Counties of Kentucky near Marshall County in population, July 2025
County	July 2025	Change since 2020
Clark County	37,888	+2.3%
Whitley County	37,297	+1.6%
Graves County	37,050	+1.4%
Greenup County	35,213	−1.9%
Floyd County	34,401	−3.9%
Marshall County	31,659	−0.1%
Boyle County	31,632	+2.9%
Meade County	30,699	+2.2%
Muhlenberg County	30,634	−0.9%
Knox County	29,532	−2.2%
Montgomery County	28,822	+2.5%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026