11th most populous of 55
With 55,649 residents in 2024, Marion County ranks 11th by population among West Virginia's 55 counties and is home to 3.1% of the state's residents.
Marion County is home to 55,649 people (2024 estimate) on 309 square miles of land. This page brings together official U.S. Census Bureau population estimates since 2000, the components of change—births, deaths and migration—American Community Survey indicators on income, housing, poverty and education, BEA economic accounts and BLS unemployment.
Key indicators
Population
55,649
July 1, 2024 estimate
2020 Census base
56,210
April 1, 2020
Change since 2020
−1.0%
2020–2024
Land area
309 mi²
800 km²
Population density
180.2 /mi²
2024 estimate ÷ land area
Births
519
Year to July 1, 2024
Deaths
816
Year to July 1, 2024
Natural change
−297
Births minus deaths, 2024
Net migration
+139
Domestic + international, 2024
Per capita personal income
$53,855
BEA, 2024
Gross domestic product
$3.0 billion
BEA, current dollars, 2024
Median household income
$67,370
ACS 2020–2024 5-year
Poverty rate
13.6%
ACS 2020–2024 5-year
Bachelor’s degree or higher
27.2%
Age 25+, ACS 2020–2024 5-year
Foreign-born residents
0.8%
ACS 2020–2024 5-year
Median home value
$166,700
ACS 2020–2024 5-year
Unemployment rate
4.0%
BLS annual average, 2024
Historical data
Pick an indicator to see its long-run evolution.
Population
2000–202455,649▼ 1%
U.S. Census Bureau: intercensal estimates 2000–2009, Vintage 2020 (2010–2019) and Vintage 2024 (2020–2024), July 1.
Data summary
| Indicator | Value | Year and source |
|---|---|---|
| Population estimate | 55,649 | 2024 · U.S. Census Bureau |
| Population, 2010 Census | 56,418 | 2010 · U.S. Census Bureau |
| Population, 2000 | 56,474 | July 1, 2000 · Census intercensal |
| Change since 2000 | −1.5% | 2000–2024 · Census |
| International migration | +65 | 2024 · Census Vintage 2024 |
| Domestic migration | +74 | 2024 · Census Vintage 2024 |
| Birth rate | 9.3 per 1,000 | 2024 · calculated |
| Death rate | 14.7 per 1,000 | 2024 · calculated |
| Population rank in West Virginia | 11th of 55 | 2024 · calculated |
| Per capita personal income | $53,855 | BEA, 2024 · official |
| Gross domestic product | $3.0 billion | BEA, current dollars, 2024 · official |
| Median household income | $67,370 | ACS 2020–2024 5-year · official |
| Poverty rate | 13.6% | ACS 2020–2024 5-year · official |
| Bachelor’s degree or higher | 27.2% | Age 25+, ACS 2020–2024 5-year · official |
| Foreign-born residents | 0.8% | ACS 2020–2024 5-year · official |
| Median home value | $166,700 | ACS 2020–2024 5-year · official |
| Median gross rent | $932/month | ACS 2020–2024 5-year · official |
| Median age | 40.3 years | ACS 2020–2024 5-year · official |
| Households | 23,339 | ACS 2020–2024 5-year · official |
| Owner-occupied homes | 76.7% | ACS 2020–2024 5-year · official |
Marion County in context
Comparable indicators for Marion County, West Virginia and the United States.
| Indicator | County | West Virginia | U.S. | Reference |
|---|---|---|---|---|
| Population change 2020–2024 | −1.0% | −1.3% | +2.6% | Census Vintage 2024 |
| Birth rate (per 1,000) | 9.3 | 9.4 | 10.6 | 2024 |
| Death rate (per 1,000) | 14.7 | 13.9 | 9.1 | 2024 |
| Net migration rate (per 1,000) | 2.5 | 4.2 | 8.2 | 2024 |
| Population density (/mi²) | 180.2 | 73.6 | 96.3 | 2024 |
| Per capita personal income | $53,855 | $55,351 | $73,204 | BEA, 2024 |
| Median household income | $67,370 | $59,608 | $80,734 | ACS 2020–2024 5-year |
| Poverty rate | 13.6% | 16.7% | 12.5% | ACS 2020–2024 5-year |
| Bachelor’s degree or higher | 27.2% | 24.1% | 35.7% | Age 25+, ACS 2020–2024 5-year |
| Foreign-born residents | 0.8% | 1.8% | 14.1% | ACS 2020–2024 5-year |
| Median home value | $166,700 | $162,600 | $332,700 | ACS 2020–2024 5-year |
| Median gross rent | $932/month | $872/month | $1,413/month | ACS 2020–2024 5-year |
| Median age | 40.3 years | 42.7 years | 38.9 years | ACS 2020–2024 5-year |
| Owner-occupied homes | 76.7% | 74.9% | 65.2% | ACS 2020–2024 5-year |
Did you know? Marion County
A quarter century of change
Its population went from 56,474 in 2000 to 55,649 in 2024, a change of −1.5%, compared with −2.0% for West Virginia as a whole.
Births and deaths
In the year to July 2024 the county recorded 519 births and 816 deaths, so deaths outnumbered births by 297.
Peak population in 2014
Annual Census estimates since 2000 put the county's highest population at 56,841 in 2014. The 2024 figure is 1,192 lower.
10th in density
Marion County has about 180.2 residents per square mile of land, ranking 10th of 55 counties; West Virginia averages 73.6.
Household income rank
With a median household income of $67,370 (ACS 2020–2024 5-year), the county ranks 6th of 55 West Virginia counties; the state median is $59,608.
Size of the economy
Its economy produced $3.0 billion of GDP in 2024 (BEA), 11th largest among 55 West Virginia counties.
Latest economic growth
Real GDP grew 4.5% in 2024, adjusted for inflation (BEA, chained 2017 dollars).
Sources and methodology
- U.S. Census Bureau — County population totals and components, Vintage 2024
- U.S. Census Bureau — County estimates 2010–2020
- U.S. Census Bureau — Intercensal estimates 2000–2010
- U.S. Census Bureau — Gazetteer files (land area)
- U.S. Census Bureau — American Community Survey 2020–2024 5-year
- U.S. Bureau of Economic Analysis — Regional economic accounts
- U.S. Bureau of Labor Statistics — LAUS