Mercer County PA Information


Mercer County Subdivisions

Mercer County PA Data & Demographics (As of July 1, 2017)


Total Population 114,998
Daytime Population: Workers 52,040
Daytime Population: Residents 63,492
Total Daytime Population (TDP) 115,532
Ratio TDP/Total Population1 1.00
Population in Households 108,202
Population in Familes 87,337
Population in Group Qrtrs 6,796
Population Density2 171
Diversity Index3 19


Median Household Income $47,328
Average Household Income $62,032
Per Capita Income $25,865


Total Housing Units 51,733 (100%)
Owner Occupied HU 32,611 (63.0%)
Renter Occupied HU 13,194 (25.5%)
Vacant Housing Units 5,928 (11.5%)
Median Home Value $121,482
Average Home Value $158,702


Total Households 45,805
Average Household Size 2.36
Family Households 30,085
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population -0.2% -0.37%
Households -0.19% -0.37%
Families -0.3% -0.44%
Median Household Income   2.14%
Per Capita Income   2.82%


Mercer County PA - Peer Comparisons by Rank and Percentile

The table below compares Mercer County to the other 67 counties and county equivalents in Pennsylvania by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 30 57th
Population Density # 31 55th
Diversity Index # 31 55th
Median Household Income # 43 37th
Per Capita Income # 37 46th

Additional comparisons and rankings can be made with a VERY EASY TO USE Pennsylvania Census Data Comparison Tool.