Counties in Pennsylvania by gini index

Philadelphia County had the highest gini index of 67 counties in 2021, at 51.8 index. Forest County had the lowest, at 38.9 index. The median was 43.3 index and the figure for Pennsylvania was 47.1 index. Source: the U.S. Census Bureau.

Lowest38.9Forest County
Median43.367 counties
Pennsylvania47.1History

Top 40 counties, 2021

CSVChart (SVG)

Philadelphia CountyPhiladelphia County: 51.8 index51.8Montour CountyMontour County: 49.6 index49.6Union CountyUnion County: 49.5 index49.5Delaware CountyDelaware County: 48.3 index48.3Allegheny CountyAllegheny County: 48.2 index48.2Centre CountyCentre County: 47.6 index47.6Montgomery CountyMontgomery County: 46.6 index46.6Erie CountyErie County: 46 index46Lackawanna CountyLackawanna County: 45.7 index45.7Susquehanna CountySusquehanna County: 45.7 index45.7Fayette CountyFayette County: 45.6 index45.6Lehigh CountyLehigh County: 45.6 index45.6Chester CountyChester County: 45.3 index45.3Dauphin CountyDauphin County: 45.3 index45.3Washington CountyWashington County: 45.2 index45.2Butler CountyButler County: 45.2 index45.2Westmoreland CountyWestmoreland County: 45.1 index45.1McKean CountyMcKean County: 45 index45Luzerne CountyLuzerne County: 45 index45Blair CountyBlair County: 44.8 index44.8Northampton CountyNorthampton County: 44.5 index44.5Cambria CountyCambria County: 44.4 index44.4Columbia CountyColumbia County: 44.4 index44.4Bucks CountyBucks County: 44.3 index44.3Indiana CountyIndiana County: 44.2 index44.2Wyoming CountyWyoming County: 44.1 index44.1Berks CountyBerks County: 44.1 index44.1Carbon CountyCarbon County: 43.7 index43.7Lawrence CountyLawrence County: 43.7 index43.7Mercer CountyMercer County: 43.6 index43.6Sullivan CountySullivan County: 43.6 index43.6Clearfield CountyClearfield County: 43.4 index43.4Crawford CountyCrawford County: 43.3 index43.3Northumberland CountyNorthumberland County: 43.3 index43.3Bradford CountyBradford County: 43.1 index43.1Pike CountyPike County: 43.1 index43.1Beaver CountyBeaver County: 43.1 index43.1Greene CountyGreene County: 43.1 index43.1Schuylkill CountySchuylkill County: 42.9 index42.9Jefferson CountyJefferson County: 42.9 index42.9
index. Source: U.S. Census Bureau. Retrieved 2026-10-10.

Full ranking

Other periods

About this ranking

Income inequality on a 0 to 100 scale, where 0 is perfect equality.

Eurostat, equivalised disposable income after social transfers (EU-SILC), for the EU and its countries. For other countries use gini_index_world_bank, which is measured on a different basis. For the United States, ACS five-year estimate B19083 measures inequality in household money income before taxes. Census publishes a coefficient from 0 to 1; Invokely multiplies it by 100. The displayed year is the final year of the five-year period. Negative household incomes are treated as zero. This differs from the EU-SILC measure based on equivalised disposable income and should not be treated as directly comparable.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B19083: Gini index of household income inequality (coefficient multiplied by 100). https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b19083.dat. Retrieved 2026-10-10.

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Questions

Which county has the highest gini index?

Philadelphia County, with 51.8 index in 2021, according to the U.S. Census Bureau.

Which county has the lowest gini index?

Forest County, with 38.9 index in 2021.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table B19083: Gini index of household income inequality (coefficient multiplied by 100). Retrieved 2026-10-10.

Gini index: other rankings

Counties in Pennsylvania: more rankings