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Population Review

Mercer County, West Virginia Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 8th-largest in West Virginia

The population of Mercer County, West Virginia is 59,062 as of the 2023 American Community Survey, making it the 8th-largest county in West Virginia. The median household income is $47,799, the median home value is $118,600, and the median age is 43.3.

The population of Mercer County has declined 7.7% since 2010 (62,335 → 57,524), a -0.57% annualized rate.

Mercer County within West Virginia · Source: US Census TIGER/Line via us-atlas

59,062

Population

-0.57%

Annual growth

141

People / sq mi

$47,799

Median Income

$118,600

Median Home Value

Mercer County covers 419 sq mi of land at 141.0 people per square mile.

About Mercer County, WV

Among US counties, Mercer County stands out first on household income: a median of $47,799, below the US median of $78,538. With 59,062 residents, Mercer County is a county in West Virginia. It is the #8-largest of all counties in West Virginia nationally.

Earnings trail the nation, with the median household making $47,799, below the US median of $78,538. The poverty rate is 14.4%, above the national 12.4%. Property is affordable here, the median home worth $118,600, with typical rent around $813.

Roughly 20.7% of adults have a bachelor’s, below the national 35.0%. About 6.4% of the workforce is home-based, below the national 14.0%, and the average commute runs about 24 minutes each way.

Mercer County Population History (2010-2024)

The county of Mercer County had a population of 62,335 in 2010 and 57,524 in 2024, a -7.7% growth over 14 years. The peak was 62,568 in 2011. Average annual growth rate: -0.57%.

2011 · 63K20102024
Mercer County population, 2010–2024 · Source: U.S. Census Bureau — decennial census & Population Estimates

57,524

Population (2024)

62,335

Population (2010)

62,568

Peak (2011)

-0.57%

Avg Annual Growth

YearPopulation
201062,335
201162,568
201262,441
201361,947
201461,807
201561,187
201660,638
201759,903
201859,228
201958,823
202059,519
202159,163
202258,599
202358,008
202457,524

Race & Ethnicity

White89.4%
Black or African American4.3%
Asian0.0%
Hispanic or Latino (any race)2.5%
Two or More Races0.0%

Age & Sex

43.3

Median Age

52.0%

Female

48.0%

Male

22.5%

Age 65+

Age Distribution

Under 5
5.3%
5–9
6.6%
10–14
5.8%
15–19
5.6%
20–24
5.9%
25–34
11.5%
35–44
11.2%
45–54
12.4%
55–59
6.0%
60–64
7.0%
65–74
13.2%
75–84
6.5%
85+
2.8%

Children (under 15): 17.7% · Seniors (65+): 22.5%

Income & Poverty

Median household income$47,799$-10,118 vs state
Mean household income$66,550
Per-capita income$28,201
Poverty rate14.4%+2.5% vs state
Unemployment rate2.0%
Employment-to-population47.5%

Top Industries by Employment

Professional & business services
31.6%
Education & health care
9.3%
Retail trade
7.0%
Manufacturing
7.0%
Finance & real estate
6.9%
Construction
5.9%
Arts, entertainment & food
4.7%
Public administration
4.3%

The largest employment sector in Mercer County is professional & business services, accounting for 31.6% of workers.

How residents commute

0.6%

Drive alone

2.2%

Carpool

82.7%

Public transit

6.4%

Work from home

24.4 min

Avg commute

Housing

$118,600$-37,000 vs state

Median home value

$813

Median rent

69.7%

Homeownership rate

29,358

Total housing units

83.2%

Occupied

16.8%

Vacant

30.3%

Renter-occupied

Social & access

94.3%

With health insurance

90.7%

With broadband internet

23.5%

Foreign-born

6.8%

Veterans (18+)

22.3%

With a disability

97.8%

Speak language other than English at home

Education

86.6%

High School+

20.7%

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

Mercer County, West Virginia has a population of 59,062 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 8th-largest county in West Virginia. Population density is 141 people per square mile.

The population of Mercer County has declined 7.7% since 2010 (62,335 → 57,524), a -0.57% annualized rate.

The median household income in Mercer County, West Virginia is $47,799, with mean (average) household income of $66,550 and per-capita income of $28,201. 14.4% of residents live below the federal poverty level.

In Mercer County, the largest racial and ethnic groups are White (89.4%), Black or African American (4.3%), Hispanic or Latino (2.5%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Mercer County, West Virginia is 43.3 years. Residents are 52.0% female and 48.0% male.

The median home value in Mercer County is $118,600 and median monthly rent is $813. 69.7% of occupied housing units are owner-occupied. The county has 29,358 total housing units, 16.8% of which are vacant.

The largest employment sector in Mercer County, West Virginia is professional, scientific, and management services, employing 31.6% of workers. The unemployment rate is 2.0%.

Charleston is among the largest cities associated with Mercer County, West Virginia, with a population of 47,918.

Data from the American Community Survey (ACS) 5-Year estimates.

Source: U.S. Census Bureau ACS, 2026.