US Census Data

Marion County vs Mercer County

A side-by-side comparison of Marion County and Mercer County: population, income, housing, and more.

Marion County and Mercer County are counties in West Virginia. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Mercer County has the higher population (59,062 vs 56,042 in Marion County). Marion County has the higher median household income ($67,537 vs $47,799 in Mercer County). Marion County has the higher median home value ($164,300 vs $118,600 in Mercer County).

Population, income & housing

Marion CountyMercer County
Population56,04259,062
Median age40.4 yrs43.3 yrs
Median household income$67,537$47,799
Median home value$164,300$118,600
Median gross rent$901$813
Housing units26,28329,358
Homeownership rate75.8%69.7%
Bachelor's degree or higher25.8%20.7%
Unemployment rate5.3%4.0%

Trends (ACS 5-year, 2019–2023)

Marion CountyMercer County
Population56,355 → 56,042 (-0.6%)59,919 → 59,062 (-1.4%)
Median household income$50,305 → $67,537 (+34.3%)$40,784 → $47,799 (+17.2%)
Median home value$116,800 → $164,300 (+40.7%)$96,700 → $118,600 (+22.6%)
Median gross rent$765 → $901 (+17.8%)$672 → $813 (+21.0%)

Marion County

Population
56,35556,042
Median household income
$50,305$67,537
Median home value
$116,800$164,300
Median gross rent
$765$901

Mercer County

Population
59,91959,062
Median household income
$40,784$47,799
Median home value
$96,700$118,600
Median gross rent
$672$813

Age & race/ethnicity

Age distribution (share)

Marion CountyMercer County
Under 55.0%5.3%
5 to 1715.0%15.7%
18 to 2410.9%8.3%
25 to 3412.6%11.5%
35 to 4411.7%11.2%
45 to 5412.3%12.4%
55 to 6412.7%13.1%
65 to 7411.9%13.2%
75 and over7.9%9.4%

Race & ethnicity (share)

Marion CountyMercer County
White (non-Hispanic)91.5%88.9%
Black or African American2.6%4.2%
American Indian & Alaska Native0.0%0.3%
Asian0.4%0.3%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.3%0.3%
Two or more races3.6%4.7%
Hispanic or Latino1.6%1.3%

Educational attainment (age 25+)

Share of adults 25+

Marion CountyMercer County
No high school diploma7.8%13.4%
High school graduate38.5%39.5%
Some college or associate's27.9%26.5%
Bachelor's degree16.3%13.6%
Graduate or professional degree9.5%7.1%

Commute to work

How workers get to work (share)

Marion CountyMercer County
Drove alone75.7%82.7%
Carpooled10.5%6.8%
Public transit0.5%0.6%
Walked2.8%2.2%
Bicycle0.0%0.0%
Worked from home9.3%6.4%
Other means1.3%1.4%

Housing

Units in structure (share)

Marion CountyMercer County
1-unit, detached77.3%66.7%
1-unit, attached1.8%1.7%
2 to 4 units6.6%3.0%
5 to 19 units4.9%6.3%
20 or more units1.9%2.2%
Mobile home & other7.5%20.2%

Poverty & households

Marion CountyMercer County
Poverty rate13.6%18.0%
Average household size2.382.36
Mean commute (minutes)2524
Median year structure built19601974

Full profiles

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