Marshall County, Kentucky Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 32nd-largest in Kentucky
The population of Marshall County, Kentucky is 31,728 as of the 2023 American Community Survey, making it the 32nd-largest county in Kentucky. The median household income is $63,611, the median home value is $173,700, and the median age is 44.9.
The population of Marshall County has grown 0.9% since 2010 (31,453 → 31,734), a +0.06% annualized rate.
31,728
Population
+0.06%
Annual growth
105
People / sq mi
$63,611
Median Income
$173,700
Median Home Value
Marshall County covers 302 sq mi of land at 105.0 people per square mile.
About Marshall County, KY
Homeownership is the standout figure in Marshall County: 82.1% of homes are owner-occupied, higher than the national rate. With 31,728 residents, Marshall County is a county in Kentucky. It ranks #32 among counties in Kentucky by population.
Median household income is $63,611, below the US median of $78,538. Poverty runs at 8.5%, below the national 12.4%. The typical home is valued at $173,700, with typical rent around $773.
Degree attainment is mid-range for US counties: 21.0% of adults hold a four-year degree, below the national 35.0%. Around 6.5% of workers work from home, below the national 14.0%, and the average commute runs about 24 minutes each way.
The ownership rate anchors the housing story in Marshall County, and tends to move with the age structure and home-value figures above.
Marshall County Population History (2010-2024)
The county of Marshall County had a population of 31,453 in 2010 and 31,734 in 2024, a 0.9% growth over 14 years. The peak was 31,810 in 2021. Average annual growth rate: 0.07%.
31,734
Population (2024)
31,453
Population (2010)
31,810
Peak (2021)
0.07%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 31,453 |
| 2011 | 31,264 |
| 2012 | 31,264 |
| 2013 | 31,218 |
| 2014 | 30,997 |
| 2015 | 31,068 |
| 2016 | 31,277 |
| 2017 | 31,324 |
| 2018 | 31,247 |
| 2019 | 31,113 |
| 2020 | 31,688 |
| 2021 | 31,810 |
| 2022 | 31,766 |
| 2023 | 31,717 |
| 2024 | 31,734 |
Race & Ethnicity
| White | 96.2% |
| Black or African American | 0.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.6% |
| Two or More Races | 0.0% |
Age & Sex
44.9
Median Age
50.2%
Female
49.8%
Male
22.0%
Age 65+
Age Distribution
Children (under 15): 16.5% · Seniors (65+): 22.0%
Income & Poverty
| Median household income | $63,611+$1,194 vs state |
| Mean household income | $81,091 |
| Per-capita income | $33,532 |
| Poverty rate | 8.5%-3.3% vs state |
| Unemployment rate | 2.1% |
| Employment-to-population | 53.1% |
Top Industries by Employment
The largest employment sector in Marshall County is professional & business services, accounting for 20.8% of workers.
How residents commute
0.1%
Drive alone
1.5%
Carpool
78.8%
Public transit
6.5%
Work from home
24.0 min
Avg commute
Housing
$173,700$-18,600 vs state
Median home value
$773
Median rent
82.1%
Homeownership rate
16,461
Total housing units
79.9%
Occupied
20.1%
Vacant
17.9%
Renter-occupied
Social & access
92.9%
With health insurance
94.2%
With broadband internet
33.4%
Foreign-born
7.8%
Veterans (18+)
19.0%
With a disability
98.5%
Speak language other than English at home
Education
92.3%
High School+
21.0%
Bachelor's+
Largest cities in Kentucky
Other counties in Kentucky
Part of Kentucky
Metro areas in Kentucky
County rankings
Frequently Asked Questions
Marshall County, Kentucky has a population of 31,728 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 32nd-largest county in Kentucky. Population density is 105 people per square mile.
The population of Marshall County has grown 0.9% since 2010 (31,453 → 31,734), a +0.06% annualized rate.
The median household income in Marshall County, Kentucky is $63,611, with mean (average) household income of $81,091 and per-capita income of $33,532. 8.5% of residents live below the federal poverty level.
In Marshall County, the largest racial and ethnic groups are White (96.2%), Black or African American (0.7%), Hispanic or Latino (0.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Marshall County, Kentucky is 44.9 years. Residents are 50.2% female and 49.8% male.
The median home value in Marshall County is $173,700 and median monthly rent is $773. 82.1% of occupied housing units are owner-occupied. The county has 16,461 total housing units, 20.1% of which are vacant.
The largest employment sector in Marshall County, Kentucky is professional, scientific, and management services, employing 20.8% of workers. The unemployment rate is 2.1%.
Louisville/Jefferson County is among the largest cities associated with Marshall County, Kentucky, with a population of 627,210.
Marshall County, KY Climate
Marshall County, KY has an average annual temperature of 14.3°C (58°F) and receives about 1310 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
14.3°C
Avg Temp
1310
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 1° / 34° | 92 mm |
| February | 4° / 38° | 109 mm |
| March | 9° / 48° | 129 mm |
| April | 14° / 58° | 125 mm |
| May | 19° / 66° | 123 mm |
| June | 24° / 74° | 98 mm |
| July | 26° / 79° | 112 mm |
| August | 25° / 77° | 92 mm |
| September | 21° / 71° | 96 mm |
| October | 15° / 59° | 86 mm |
| November | 9° / 48° | 121 mm |
| December | 4° / 39° | 127 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Marshall County, KY
The most comfortable months to visit Marshall County, KY are typically September, June and May, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 32°C high). The coldest is January (near -4°C low). March is usually the wettest month.
Where to stay near Marshall County
Visiting or relocating to Marshall County, KY? Compare hotels and short-term rentals across the county — live availability and prices.
Top-rated places to stay near Marshall County
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a move to Marshall County?
Get relocation and cost-of-living insights for Marshall County, KY by email. No spam, unsubscribe anytime.
More from Kentucky
Population 777,392
Population 321,122
Population 169,817
Population 137,676
Full rankings of Kentucky counties
Statewide data for Kentucky
Population, race, income, age, and trends across Kentucky
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.