Marion County, West Virginia Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 11th-largest in West Virginia
The population of Marion County, West Virginia is 56,042 as of the 2023 American Community Survey, making it the 11th-largest county in West Virginia. The median household income is $67,537, the median home value is $164,300, and the median age is 40.4.
The population of Marion County has declined 1.6% since 2010 (56,566 → 55,649), a -0.12% annualized rate.
56,042
Population
-0.12%
Annual growth
181
People / sq mi
$67,537
Median Income
$164,300
Median Home Value
Marion County covers 309 sq mi of land at 181.5 people per square mile.
About Marion County, WV
Marion County stands apart on settlement density — it is among the most densely settled of US counties, at roughly 181 people per square mile. With 56,042 residents, Marion County is a county in West Virginia. It ranks #11 among counties in West Virginia by population.
Household earnings are middling, with a median of $67,537 — below the US median of $78,538. The poverty rate is 9.2%, below the national 12.4%. Homes carry a median value of $164,300, with typical rent around $901.
25.8% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. Around 9.3% of workers work from home, below the national 14.0%, and the average commute runs about 25 minutes each way.
That density explains much of the rest of the profile in Marion County: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
Marion County Population History (2010-2024)
The county of Marion County had a population of 56,566 in 2010 and 55,649 in 2024, a -1.6% growth over 14 years. The peak was 56,841 in 2014. Average annual growth rate: -0.12%.
55,649
Population (2024)
56,566
Population (2010)
56,841
Peak (2014)
-0.12%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 56,566 |
| 2011 | 56,715 |
| 2012 | 56,791 |
| 2013 | 56,762 |
| 2014 | 56,841 |
| 2015 | 56,815 |
| 2016 | 56,557 |
| 2017 | 56,430 |
| 2018 | 56,132 |
| 2019 | 56,077 |
| 2020 | 56,234 |
| 2021 | 56,056 |
| 2022 | 55,799 |
| 2023 | 55,805 |
| 2024 | 55,649 |
Race & Ethnicity
| White | 92.0% |
| Black or African American | 2.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.2% |
| Two or More Races | 0.0% |
Age & Sex
40.4
Median Age
50.0%
Female
50.0%
Male
19.8%
Age 65+
Age Distribution
Children (under 15): 16.5% · Seniors (65+): 19.8%
Income & Poverty
| Median household income | $67,537+$9,620 vs state |
| Mean household income | $80,748 |
| Per-capita income | $33,719 |
| Poverty rate | 9.2%-2.7% vs state |
| Unemployment rate | 3.1% |
| Employment-to-population | 56.4% |
Top Industries by Employment
The largest employment sector in Marion County is professional & business services, accounting for 29.1% of workers.
How residents commute
0.5%
Drive alone
2.8%
Carpool
75.7%
Public transit
9.3%
Work from home
24.8 min
Avg commute
Housing
$164,300+$8,700 vs state
Median home value
$901
Median rent
75.8%
Homeownership rate
26,283
Total housing units
87.4%
Occupied
12.6%
Vacant
24.2%
Renter-occupied
Social & access
93.6%
With health insurance
92.1%
With broadband internet
21.8%
Foreign-born
7.5%
Veterans (18+)
18.6%
With a disability
98.3%
Speak language other than English at home
Education
92.2%
High School+
25.8%
Bachelor's+
Largest cities in West Virginia
Other counties in West Virginia
Part of West Virginia
Metro areas in West Virginia
County rankings
Frequently Asked Questions
Marion County, West Virginia has a population of 56,042 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 11th-largest county in West Virginia. Population density is 181 people per square mile.
The population of Marion County has declined 1.6% since 2010 (56,566 → 55,649), a -0.12% annualized rate.
The median household income in Marion County, West Virginia is $67,537, with mean (average) household income of $80,748 and per-capita income of $33,719. 9.2% of residents live below the federal poverty level.
In Marion County, the largest racial and ethnic groups are White (92.0%), Black or African American (2.6%), Hispanic or Latino (1.2%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Marion County, West Virginia is 40.4 years. Residents are 50.0% female and 50.0% male.
The median home value in Marion County is $164,300 and median monthly rent is $901. 75.8% of occupied housing units are owner-occupied. The county has 26,283 total housing units, 12.6% of which are vacant.
The largest employment sector in Marion County, West Virginia is professional, scientific, and management services, employing 29.1% of workers. The unemployment rate is 3.1%.
Charleston is among the largest cities associated with Marion County, West Virginia, with a population of 47,918.
Marion County, WV Climate
Marion County, WV has an average annual temperature of 10.7°C (51°F) and receives about 1102 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
10.7°C
Avg Temp
1102
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -2° / 29° | 76 mm |
| February | 0° / 32° | 70 mm |
| March | 5° / 41° | 101 mm |
| April | 10° / 50° | 92 mm |
| May | 16° / 60° | 108 mm |
| June | 20° / 68° | 105 mm |
| July | 22° / 72° | 117 mm |
| August | 21° / 71° | 105 mm |
| September | 18° / 64° | 84 mm |
| October | 12° / 53° | 74 mm |
| November | 6° / 43° | 87 mm |
| December | 1° / 34° | 83 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 Marion County, WV
The most comfortable months to visit Marion County, WV are typically August, June and July, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 29°C high). The coldest is January (near -7°C low). July is usually the wettest month.
Where to stay near Marion County
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Top-rated places to stay near Marion County
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Population, race, income, age, and trends across West Virginia
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.