Plainfield, IA Demographics

A map of Plainfield's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	279	378	88.9%	96.2%
Multiracial	18	10	5.7%	2.5%
Hispanic	11	2	3.5%	0.5%
Native American/Other	4	1	1.3%	0.3%
Asian	2	0	0.6%	0.0%
Black	0	2	0.0%	0.5%

Plainfield, Iowa has an estimated population of 314, a large decrease from the 393 recorded in the 2020 Census. The population is 88.9% White, 5.7% Multiracial, 3.5% Hispanic, 1.3% Native American/Other, 0.6% Asian, and 0.0% Black. 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 less diverse than Iowa 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 7.4% in 2020 and 20.6% in the most recent ACS estimates.

Plainfield is ranked the 592nd most populous place in Iowa, out of 1,026 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 504th most populous place in the 2020 Census.

Plainfield's White Population

279 residents of Plainfield, or 88.9% of the population, identify as White. The share of White residents in Plainfield is higher than in Iowa overall, where 82.3% of the population is White. Plainfield ranks 164th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Plainfield's White population has declined by an estimated 26.2%. White residents' share of Plainfield's population has decreased from 96.2% to 88.9%.

Plainfield is less White than neighboring Nashua (92.4% White), Waverly (89.3% White), Shell Rock (93.3% White), Clarksville (92.4% White), and Ionia (93.8% White).

Plainfield's Black Population

0 residents of Plainfield, or 0.0% of the population, identify as Black. The share of Black residents in Plainfield is slightly lower than in Iowa overall, where 3.8% of the population is Black. Plainfield ranks 371st statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Plainfield's Black population has declined by an estimated 100.0%. Black residents' share of Plainfield's population has decreased from 0.5% to 0.0%.

Plainfield is less Black than neighboring Nashua (1% Black), Waverly (2.4% Black), Shell Rock (0.6% Black), and Clarksville (0.5% Black).

Plainfield's Asian Population

2 residents of Plainfield, or 0.6% of the population, identify as Asian. The share of Asian residents in Plainfield is comparable to the share in Iowa overall, where 2.5% of the population is Asian. Plainfield ranks 543rd statewide in terms of Asian residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Plainfield's Asian population has grown from 0 to an estimated 2. Asian residents' share of Plainfield's population has increased from 0.0% to 0.6%.

Plainfield is more Asian than neighboring Nashua (0% Asian), Shell Rock (0% Asian), and Ionia (0% Asian). Plainfield is less Asian than neighboring Waverly (1.5% Asian).

Plainfield's Hispanic Population

11 residents of Plainfield, or 3.5% of the population, identify as Hispanic. The share of Hispanic residents in Plainfield is slightly lower than in Iowa overall, where 7.3% of the population is Hispanic. Plainfield ranks 910th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Plainfield's Hispanic population has grown by an estimated 450.0%. Hispanic residents' share of Plainfield's population has increased from 0.5% to 3.5%.

Plainfield is more Hispanic than neighboring Nashua (0.6% Hispanic), and Clarksville (1.6% Hispanic). Plainfield is less Hispanic than neighboring Waverly (3.6% Hispanic), Shell Rock (5.4% Hispanic), and Ionia (6% Hispanic).

Plainfield's Native American/Other Population

4 residents of Plainfield, or 1.3% 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 Iowa overall, where 0.6% of the population is Native American/Other. Plainfield ranks 524th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Plainfield's Native American/Other population has grown by an estimated 300.0%. Native American/Other residents' share of Plainfield's population has increased from 0.3% to 1.3%.

Plainfield is more Native American/Other than neighboring Nashua (0.5% Native American/Other), Waverly (0.1% Native American/Other), Shell Rock (0% Native American/Other), Clarksville (0% Native American/Other), and Ionia (0% Native American/Other).

Plainfield's Multiracial Population

18 residents of Plainfield, or 5.7% of the population, identify as Multiracial. The share of Multiracial residents in Plainfield is slightly higher than in Iowa overall, where 3.5% of the population is Multiracial. Plainfield ranks 551st statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Plainfield's Multiracial population has grown by an estimated 80.0%. Multiracial residents' share of Plainfield's population has increased from 2.5% to 5.7%.

Plainfield is more Multiracial than neighboring Nashua (5.5% Multiracial), Waverly (3.1% Multiracial), Shell Rock (0.7% Multiracial), Clarksville (4.9% Multiracial), and Ionia (0.3% 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.