Indiana County Demographics

A map of Indiana County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	76,118	75,718	91.7%	91.0%
Multiracial	2,743	2,556	3.3%	3.1%
Black	1,782	2,409	2.1%	2.9%
Hispanic	1,546	1,476	1.9%	1.8%
Asian	743	816	0.9%	1.0%
Native American/Other	110	271	0.1%	0.3%

Indiana County, Pennsylvania has an estimated population of 83,042, a less than 1% change from the 83,246 recorded in the 2020 Census. The population is 91.7% White, 3.3% Multiracial, 2.1% Black, 1.9% Hispanic, 0.9% Asian, and 0.1% Native American/Other. This demographic dot map shows the population of Indiana County, with one dot drawn for each person counted by the Census, color-coded by race.

Indiana has become less 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 Indiana County, that probability was 17.1% in 2020 and 15.8% in the most recent ACS estimates.

Indiana County is ranked the 34th most populous county in Pennsylvania, out of 67 counties. Indiana County was ranked the 35th most populous county in the 2020 Census.

Indiana County's White Population

76,118 residents of Indiana County, or 91.7% of the population, identify as White. The share of White residents in Indiana County is significantly higher than in Pennsylvania overall, where 73% of the population is White. Indiana County ranks 29th statewide in terms of White residents as a share of the population, out of 67 counties.

Since the 2020 Census, Indiana County's White population has remained roughly the same. White residents' share of Indiana County's population has increased from 91.0% to 91.7%.

Indiana County is more White than neighboring Cambria County (90.2% White), and Westmoreland County (91.4% White). Indiana County is less White than neighboring Armstrong County (94.9% White), Jefferson County (95.5% White), and Clarion County (94.1% White).

Indiana County's Black Population

1,782 residents of Indiana County, or 2.1% of the population, identify as Black. The share of Black residents in Indiana County is lower than in Pennsylvania overall, where 10.3% of the population is Black. Indiana County ranks 33rd statewide in terms of Black residents as a share of the population, out of 67 counties.

Since the 2020 Census, Indiana County's Black population has declined by an estimated 26.0%. Black residents' share of Indiana County's population has decreased from 2.9% to 2.1%.

Indiana County is more Black than neighboring Armstrong County (0.9% Black), Jefferson County (0.3% Black), and Clarion County (1.6% Black). Indiana County is less Black than neighboring Cambria County (2.8% Black), and Westmoreland County (2.5% Black).

Indiana County's Asian Population

743 residents of Indiana County, or 0.9% of the population, identify as Asian. The share of Asian residents in Indiana County is slightly lower than in Pennsylvania overall, where 3.8% of the population is Asian. Indiana County ranks 25th statewide in terms of Asian residents as a share of the population, out of 67 counties.

Since the 2020 Census, Indiana County's Asian population has declined by an estimated 8.9%. Asian residents' share of Indiana County's population has remained roughly unchanged at 0.9%.

Indiana County is more Asian than neighboring Cambria County (0.5% Asian), Armstrong County (0.3% Asian), Jefferson County (0.3% Asian), and Clarion County (0.7% Asian). Indiana County is less Asian than neighboring Westmoreland County (1% Asian).

Indiana County's Hispanic Population

1,546 residents of Indiana County, or 1.9% of the population, identify as Hispanic. The share of Hispanic residents in Indiana County is lower than in Pennsylvania overall, where 8.7% of the population is Hispanic. Indiana County ranks 47th statewide in terms of Hispanic residents as a share of the population, out of 67 counties.

Since the 2020 Census, Indiana County's Hispanic population has grown by an estimated 4.7%. Hispanic residents' share of Indiana County's population has remained roughly unchanged at 1.9%.

Indiana County is more Hispanic than neighboring Armstrong County (0.9% Hispanic), Jefferson County (1% Hispanic), Westmoreland County (1.6% Hispanic), and Clarion County (1.2% Hispanic). Indiana County is less Hispanic than neighboring Cambria County (2.1% Hispanic).

Indiana County's Native American/Other Population

110 residents of Indiana County, or 0.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Indiana County is comparable to the share in Pennsylvania overall, where 0.6% of the population is Native American/Other. Indiana County ranks 54th statewide in terms of Native American/Other residents as a share of the population, out of 67 counties.

Since the 2020 Census, Indiana County's Native American/Other population has declined by an estimated 59.4%. Native American/Other residents' share of Indiana County's population has remained roughly unchanged at 0.1%.

Indiana County is less Native American/Other than neighboring Cambria County (0.2% Native American/Other), Armstrong County (0.2% Native American/Other), Jefferson County (0.4% Native American/Other), Westmoreland County (0.2% Native American/Other), and Clarion County (0.2% Native American/Other).

Indiana County's Multiracial Population

2,743 residents of Indiana County, or 3.3% of the population, identify as Multiracial. The share of Multiracial residents in Indiana County is comparable to the share in Pennsylvania overall, where 3.6% of the population is Multiracial. Indiana County ranks 42nd statewide in terms of Multiracial residents as a share of the population, out of 67 counties.

Since the 2020 Census, Indiana County's Multiracial population has grown by an estimated 7.3%. Multiracial residents' share of Indiana County's population has remained roughly unchanged at 3.3%.

Indiana County is more Multiracial than neighboring Armstrong County (2.7% Multiracial), Jefferson County (2.6% Multiracial), and Clarion County (2.3% Multiracial). Indiana County is less Multiracial than neighboring Cambria County (4.1% 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.