COUNTY · 1990 CENSUS

Mercer County

Pennsylvania · 121,003 residents · 672.538 sq mi

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The short version

Mercer County has lower-than-average household income, with a median household income of $24,599. Population has held roughly steady since 2000. Median home value is $41,800.

At a glance

Lower income

below the US median

US median: $30,130

Older

median age 36.3

US median: 33.0

Less educated

14% hold a bachelor's degree

US average: 20%

More affordable

home values down 27%, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

121,003

+1%vs 2000

vs 120,293 in 2000

1990 – 2025

Population density

180 / sq mi

+1%vs 2000

vs 179 / sq mi in 2000

US average: 221

Median age

36.3

−8%vs 2000

vs 39.6 in 2000

US average: 33.0

Population, 1990 – 2024

2024109K

Section 02

Income & economy

Median household income

$24,599

−7%inflation adjusted, since 2000

vs $34,666 in 2000

US average: $30,130

1990 – 2024

Per capita income

$11,336

−36%vs 2000

vs $17,636 in 2000

US average: $14,340

Poverty rate

12.8%

+1.3 ptsvs 2000

vs 11.5% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$41,800

−27%inflation adjusted, since 2000

vs $75,100 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$321

−5%inflation adjusted, since 2000

vs $443 in 2000

US average: $450

Owner-occupied

75.0%

−1.3 ptsvs 2000

vs 76.3% in 2000

25.0% rent

Afford Score

1.7

−22%vs 2000

vs 2.2 in 2000

1990 – 2024

RELATED:See current rent listings in Mercer County on RentDataNow

Section 04

Race & ethnicity

2000

White, non-Hispanic92.7%(111,507)

Black5.2%(6,279)

Hispanic / Latino0.7%(803)

Asian0.4%(477)

Other0%

Diversity Score15%(18,059)

1990

White, non-Hispanic94.7%(114,531)

Black4.8%(5,810)

Hispanic / Latino0.4%(447)

Asian0.3%(379)

Other0.2%(283)

Diversity Score13.5%(16,392)

Diversity Score

−10%vs 2000

vs 15 in 2000

1990 – 2024

Section 05

Education

Bachelor's degree or higher

13.6%

−3.7 ptsvs 2000

vs 17.3% in 2000

US average: 20.3%

High school or higher

75.1%

−7.8 ptsvs 2000

vs 82.9% in 2000

US average: 75.2%

Graduate degree

4.9%

−1.1 ptsvs 2000

vs 6.0% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

17.7 min

+32%vs 2000

vs 13.4 min in 2000

US average: 21.9

Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Drill deeper

Places similar to Mercer County

Head to head

Compare Mercer County to nearby counties

MERCER COUNTY VS

Lawrence County

Income$61,931+152%

Home value$147,200+252%

Population83,911−22%

SEE FULL COMPARISON →

MERCER COUNTY VS

Venango County

Income$61,522+150%

Home value$119,800+187%

Population49,346−54%

SEE FULL COMPARISON →

MERCER COUNTY VS

Trumbull County

Income$56,435+129%

Home value$141,800+239%

Population198,972+84%

SEE FULL COMPARISON →

MERCER COUNTY VS

Crawford County

Income$60,476+146%

Home value$153,200+267%

Population81,792−24%

SEE FULL COMPARISON →

Frequently asked

How many people live in Mercer County, Pennsylvania?

Mercer County, Pennsylvania has about 121,003 residents according to the 1990 Census.

What is the median household income in Mercer County, Pennsylvania?

The typical household in Mercer County, Pennsylvania earns about $24,599 a year. Half of households make more than that, and half make less.

Is Mercer County, Pennsylvania expensive?

In Mercer County, Pennsylvania, the median home is worth about $41,800, and the typical rent is about $321 a month.

How educated are people in Mercer County, Pennsylvania?

About 13.6% of adults age 25 and over in Mercer County, Pennsylvania hold a bachelor's degree or higher.

What is the poverty rate in Mercer County, Pennsylvania?

About 12.8% of people in Mercer County, Pennsylvania live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →