Plainfield, IN Demographics

A map of Plainfield's Population by Race

Plainfield, Indiana has an estimated population of 36,369, an increase from the 34,625 recorded in the 2020 Census. The population is 70.0% White, 11.7% Black, 6.6% Asian, 6.6% Hispanic, 4.8% Multiracial, and 0.2% Native American/Other. This demographic dot map shows the population of Plainfield, with one dot drawn for each person counted by the Census, color-coded by race.

Plainfield has become considerably more racially diverse since the 2020 Census. It is considerably more diverse than Indiana overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Plainfield, that probability was 39.2% in 2020 and 48.5% in the most recent ACS estimates.

Plainfield is ranked the 27th most populous place in Indiana, out of 976 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Plainfield was ranked the 28th most populous place in the 2020 Census.

Plainfield's White Population

25,467 residents of Plainfield, or 70.0% of the population, identify as White. The share of White residents in Plainfield is lower than in Indiana overall, where 75.4% of the population is White. Plainfield ranks 625th statewide in terms of White residents as a share of the population, out of 976 places.

Since the 2020 Census, Plainfield's White population has declined by an estimated 4.5%. White residents' share of Plainfield's population has decreased from 77.1% to 70.0%.

Plainfield is more White than neighboring Avon (68.4% White). Plainfield is less White than neighboring Mooresville (91% White), Clermont (76.3% White), Brownsburg (77.4% White), and Danville (93.6% White).

Plainfield's Black Population

4,256 residents of Plainfield, or 11.7% of the population, identify as Black. The share of Black residents in Plainfield is slightly higher than in Indiana overall, where 9.1% of the population is Black. Plainfield ranks 34th statewide in terms of Black residents as a share of the population, out of 976 places.

Since the 2020 Census, Plainfield's Black population has grown by an estimated 36.5%. Black residents' share of Plainfield's population has increased from 9.0% to 11.7%.

Plainfield is more Black than neighboring Mooresville (1.8% Black), Clermont (1.3% Black), and Danville (0.5% Black). Plainfield is less Black than neighboring Avon (13.8% Black), and Brownsburg (12.4% Black).

Plainfield's Asian Population

2,407 residents of Plainfield, or 6.6% of the population, identify as Asian. The share of Asian residents in Plainfield is slightly higher than in Indiana overall, where 2.6% of the population is Asian. Plainfield ranks 18th statewide in terms of Asian residents as a share of the population, out of 976 places.

Since the 2020 Census, Plainfield's Asian population has grown by an estimated 61.1%. Asian residents' share of Plainfield's population has increased from 4.3% to 6.6%.

Plainfield is more Asian than neighboring Avon (4.6% Asian), Mooresville (0.3% Asian), Clermont (0.6% Asian), Brownsburg (1.1% Asian), and Danville (1.1% Asian).

Plainfield's Hispanic Population

2,405 residents of Plainfield, or 6.6% of the population, identify as Hispanic. The share of Hispanic residents in Plainfield is comparable to the share in Indiana overall, where 8.6% of the population is Hispanic. Plainfield ranks 172nd statewide in terms of Hispanic residents as a share of the population, out of 976 places.

Since the 2020 Census, Plainfield's Hispanic population has grown by an estimated 40.6%. Hispanic residents' share of Plainfield's population has increased from 4.9% to 6.6%.

Plainfield is more Hispanic than neighboring Mooresville (3.3% Hispanic), Brownsburg (5.4% Hispanic), and Danville (2.3% Hispanic). Plainfield is less Hispanic than neighboring Avon (7% Hispanic), and Clermont (17.6% Hispanic).

Plainfield's Native American/Other Population

90 residents of Plainfield, or 0.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Plainfield is comparable to the share in Indiana overall, where 0.5% of the population is Native American/Other. Plainfield ranks 156th statewide in terms of Native American/Other residents as a share of the population, out of 976 places.

Since the 2020 Census, Plainfield's Native American/Other population has declined by an estimated 62.8%. Native American/Other residents' share of Plainfield's population has remained roughly unchanged at 0.2%.

Plainfield is more Native American/Other than neighboring Mooresville (0% Native American/Other), and Brownsburg (0.1% Native American/Other). Plainfield is less Native American/Other than neighboring Avon (1.3% Native American/Other), and Clermont (0.8% Native American/Other).

Plainfield's Multiracial Population

1,744 residents of Plainfield, or 4.8% of the population, identify as Multiracial. The share of Multiracial residents in Plainfield is comparable to the share in Indiana overall, where 3.8% of the population is Multiracial. Plainfield ranks 244th statewide in terms of Multiracial residents as a share of the population, out of 976 places.

Since the 2020 Census, Plainfield's Multiracial population has grown by an estimated 26.3%. Multiracial residents' share of Plainfield's population has increased from 4.0% to 4.8%.

Plainfield is more Multiracial than neighboring Mooresville (3.5% Multiracial), Clermont (3.3% Multiracial), Brownsburg (3.5% Multiracial), and Danville (2.3% Multiracial). Plainfield is less Multiracial than neighboring Avon (4.9% 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.