Demographics of Plainfield town, Indiana

Plainfield town, Indiana had 38,574 people on July 1, 2025, by the Census Bureau’s estimate: +3,671 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Plainfield town, in four figures

38,574
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 36,369 ±228.; +10.5%
Change since July 2020: +3,671 people.; 38.4 ±1.2
Median age: ACS 2020–⁠2024.; $87,272 ±$6,112
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. The Bureau publishes no births, deaths or migration for a place, so the change is the difference between one July estimate and the next.

Plainfield town, Indiana's population grew 10.5% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Plainfield town, Indiana's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — incorporated places and New England towns

About this chart

The figures

Plainfield town, Indiana's population grew 10.5% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Plainfield town, Indiana's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	34,903	100.0	100.0
2021	35,638	102.1	100.2
2022	36,535	104.7	100.7
2023	37,357	107.0	101.6
2024	38,330	109.8	102.5
2025	38,574	110.5	103.1

Population of Plainfield town, Indiana on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	34,903	—
2021	35,638	+735
2022	36,535	+897
2023	37,357	+822
2024	38,330	+973
2025	38,574	+244

Age, 2020–2024

The median age is 38.4 ±1.2: for men 37.6 ±1.4 and for women 39.1 ±1.4. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Plainfield town by age, ACS 2020–2024
Age	People	Share	Indiana	United States
Under 5	1,701 ±303	4.7% ±0.8	6.0% ±<0.1	5.6% ±<0.1
5 to 17	5,699 ±624	15.7% ±1.7	17.3% ±0.1	16.3% ±<0.1
18 to 24	3,442 ±526	9.5% ±1.4	9.6% ±0.1	9.1% ±<0.1
25 to 44	11,520 ±869	31.7% ±2.4	25.8% ±0.1	26.9% ±<0.1
45 to 64	8,181 ±618	22.5% ±1.7	24.5% ±0.1	24.8% ±<0.1
65 and over	5,826 ±591	16.0% ±1.6	16.8% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $87,272 ±$6,112, and income per person $38,621 ±$2,435, in 2024 dollars. The median is $71,957 ±$352 in Indiana and $80,734 ±$166 in the United States.

Households by income

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Households in Plainfield town by income, ACS 2020–2024
Household income	Households	Share	Indiana	United States
Under $25,000	1,458 ±422	11.4% ±3.3	15.0% ±0.2	14.6% ±<0.1
$25,000 to $49,999	1,838 ±364	14.3% ±2.8	19.4% ±0.2	16.7% ±<0.1
$50,000 to $74,999	2,036 ±334	15.9% ±2.5	17.7% ±0.2	15.5% ±<0.1
$75,000 to $99,999	2,036 ±368	15.9% ±2.8	13.9% ±0.2	12.6% ±<0.1
$100,000 to $149,999	2,845 ±448	22.2% ±3.4	17.5% ±0.2	17.5% ±<0.1
$150,000 to $199,999	1,354 ±339	10.6% ±2.6	8.3% ±0.1	9.6% ±<0.1
$200,000 or more	1,242 ±263	9.7% ±2.0	8.2% ±0.1	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Plainfield town by age, ACS 2020–2024
Age	Below poverty	Rate	Indiana	United States
All ages	2,601 ±635	8.1% ±2.0	12.3% ±0.2	12.5% ±0.1
Under 18	856 ±262	11.6% ±3.4	16.0% ±0.3	16.1% ±0.1
18 to 59	1,117 ±329	6.3% ±1.8	11.9% ±0.2	11.6% ±0.1
60 and over	628 ±285	8.6% ±3.8	9.6% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Plainfield town, ACS 2020–2024
Measure	Plainfield town	Indiana	United States
Housing units	13,359 ±536	2,976,568 ±617	143,775,355 ±10,234
Occupied	95.9% ±1.3	91.2% ±0.2	89.9% ±0.1
Vacant	4.1% ±1.6	8.8% ±0.2	10.1% ±0.1
Owner occupied	62.3% ±2.9	70.6% ±0.3	65.2% ±0.3
Renter occupied	37.7% ±3.9	29.4% ±0.3	34.8% ±0.1
Median home value	$280,600 ±$12,460	$218,200 ±$739	$332,700 ±$236
Median gross rent	$1,499 ±$95	$1,062 ±$5	$1,413 ±$2
Median year built	2000 ±2	1976 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Plainfield town by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Indiana	United States
Hispanic or Latino	2,405 ±639	6.6% ±1.8	8.6% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	25,467 ±1,017	70.0% ±2.8	75.4% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	4,256 ±697	11.7% ±1.9	9.1% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	2,407 ±626	6.6% ±1.7	2.6% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	16 to 124	< 0.1% to 0.3%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 27	0% to 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 47	0% to 0.1%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	1,744 ±628	4.8% ±1.7	3.8% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Plainfield town by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Indiana	United States
Born in the state	22,361 ±996	61.5% ±2.7	67.0% ±0.2	57.3% ±<0.1
Born in another state	9,902 ±995	27.2% ±2.7	25.8% ±0.2	26.9% ±<0.1
Born a citizen outside the states	268 to 920	0.7% to 2.5%	0.8% ±<0.1	1.7% ±<0.1
Born abroad	3,512 ±944	9.7% ±2.6	6.3% ±0.1	14.1% ±<0.1
Naturalized citizens	1,995 ±564	5.5% ±1.6	2.6% ±0.1	7.4% ±<0.1
Not citizens	1,517 ±576	4.2% ±1.6	3.7% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Plainfield town among the places of Indiana

27th of 135 places of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the Indiana page.

Places of Indiana near Plainfield town in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Lawrence city	49,517 ±55
West Lafayette city	45,159 ±328
Portage city	38,082 ±104
New Albany city	37,581 ±30
Merrillville town	36,476 ±80
Plainfield town	36,369 ±228
Richmond city	35,581 ±35
Valparaiso city	34,733 ±438
Goshen city	34,420 ±400
Crown Point city	34,393 ±116
Zionsville town	32,095 ±68

Elsewhere on the site

Reported crime in Plainfield town, Indiana

Sources

Census Bureau population estimates — incorporated places and New England towns — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026