Greene County Demographics

A map of Greene County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	31,738	32,898	91.1%	91.5%
Multiracial	1,411	1,226	4.1%	3.4%
Black	946	1,062	2.7%	3.0%
Hispanic	556	510	1.6%	1.4%
Native American/Other	109	138	0.3%	0.4%
Asian	75	120	0.2%	0.3%

Greene County, Pennsylvania has an estimated population of 34,835, a decrease from the 35,954 recorded in the 2020 Census. The population is 91.1% White, 4.1% Multiracial, 2.7% Black, 1.6% Hispanic, 0.3% Native American/Other, and 0.2% Asian. This demographic dot map shows the population of Greene County, with one dot drawn for each person counted by the Census, color-coded by race.

Greene has become slightly more racially diverse since the 2020 Census. It is considerably less diverse than Pennsylvania overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Greene County, that probability was 16.1% in 2020 and 16.7% in the most recent ACS estimates.

Greene County is ranked the 58th most populous county in Pennsylvania, out of 67 counties. Greene County was ranked the 58th most populous county in the 2020 Census.

Greene County's White Population

31,738 residents of Greene County, or 91.1% of the population, identify as White. The share of White residents in Greene County is significantly higher than in Pennsylvania overall, where 73% of the population is White. Greene County ranks 25th statewide in terms of White residents as a share of the population, out of 67 counties.

Since the 2020 Census, Greene County's White population has declined by an estimated 3.5%. White residents' share of Greene County's population has remained roughly unchanged at 91.1%.

Greene County is more White than neighboring Monongalia County (85.8% White), Washington County (89.7% White), Marion County (91% White), and Ohio County (89.8% White). Greene County is less White than neighboring Marshall County (92.9% White).

Greene County's Black Population

946 residents of Greene County, or 2.7% of the population, identify as Black. The share of Black residents in Greene County is lower than in Pennsylvania overall, where 10.3% of the population is Black. Greene County ranks 32nd statewide in terms of Black residents as a share of the population, out of 67 counties.

Since the 2020 Census, Greene County's Black population has declined by an estimated 10.9%. Black residents' share of Greene County's population has remained roughly unchanged at 2.7%.

Greene County is more Black than neighboring Marion County (2.5% Black), and Marshall County (0.3% Black). Greene County is less Black than neighboring Monongalia County (3.1% Black), Washington County (3.2% Black), and Ohio County (3.3% Black).

Greene County's Asian Population

75 residents of Greene County, or 0.2% of the population, identify as Asian. The share of Asian residents in Greene County is slightly lower than in Pennsylvania overall, where 3.8% of the population is Asian. Greene County ranks 57th statewide in terms of Asian residents as a share of the population, out of 67 counties.

Since the 2020 Census, Greene County's Asian population has declined by an estimated 37.5%. Asian residents' share of Greene County's population has remained roughly unchanged at 0.2%.

Greene County is less Asian than neighboring Monongalia County (3.5% Asian), Washington County (1.3% Asian), Marion County (0.6% Asian), Marshall County (0.3% Asian), and Ohio County (0.5% Asian).

Greene County's Hispanic Population

556 residents of Greene County, or 1.6% of the population, identify as Hispanic. The share of Hispanic residents in Greene County is lower than in Pennsylvania overall, where 8.7% of the population is Hispanic. Greene County ranks 56th statewide in terms of Hispanic residents as a share of the population, out of 67 counties.

Since the 2020 Census, Greene County's Hispanic population has grown by an estimated 9.0%. Hispanic residents' share of Greene County's population has remained roughly unchanged at 1.6%.

Greene County is more Hispanic than neighboring Marshall County (1.2% Hispanic). Greene County is less Hispanic than neighboring Monongalia County (3.2% Hispanic), Washington County (2.1% Hispanic), and Ohio County (1.7% Hispanic).

Greene County's Native American/Other Population

109 residents of Greene County, or 0.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Greene County is comparable to the share in Pennsylvania overall, where 0.6% of the population is Native American/Other. Greene County ranks 43rd statewide in terms of Native American/Other residents as a share of the population, out of 67 counties.

Since the 2020 Census, Greene County's Native American/Other population has declined by an estimated 21.0%. Native American/Other residents' share of Greene County's population has remained roughly unchanged at 0.3%.

Greene County is more Native American/Other than neighboring Ohio County (0.2% Native American/Other). Greene County is less Native American/Other than neighboring Monongalia County (0.8% Native American/Other), and Marshall County (1.1% Native American/Other).

Greene County's Multiracial Population

1,411 residents of Greene County, or 4.1% of the population, identify as Multiracial. The share of Multiracial residents in Greene County is comparable to the share in Pennsylvania overall, where 3.6% of the population is Multiracial. Greene County ranks 31st statewide in terms of Multiracial residents as a share of the population, out of 67 counties.

Since the 2020 Census, Greene County's Multiracial population has grown by an estimated 15.1%. Multiracial residents' share of Greene County's population has increased from 3.4% to 4.1%.

Greene County is more Multiracial than neighboring Monongalia County (3.7% Multiracial), Washington County (3.5% Multiracial), and Marion County (3.9% Multiracial). Greene County is less Multiracial than neighboring Ohio County (4.5% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.