Plainfield Population

1870–2026

57,788

2026 projection

6.4% since 2020 (increase)

010K20K30K40K50K60K18801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Plainfield. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202657,788+6471.13%
202557,141+2440.43%
202456,897+9891.77%
202355,908+1,0121.84%
202254,896-540.10%
202154,950+6421.18%
202054,308+4,0067.96%
201950,302-920.18%
201850,394+730.15%
201750,321+840.17%

Showing 10 of 31 years.

Plainfield Demographics

32.4median age

Median age

Female33.4 yrs
Male31.6 yrs

Adults

39,268
5,588 seniors · 14%33,680 other adults

Sex

Female 49.3% · 27,239Male 50.7% · 27,997

Population by age

MaleFemale85+ years, male: 19085+ years, female: 32280–84 years, male: 21480–84 years, female: 32175–79 years, male: 45675–79 years, female: 55970–74 years, male: 69270–74 years, female: 93565–69 years, male: 85265–69 years, female: 1,04760–64 years, male: 1,21860–64 years, female: 1,35455–59 years, male: 1,65855–59 years, female: 1,59150–54 years, male: 1,43650–54 years, female: 1,71745–49 years, male: 1,41245–49 years, female: 1,56040–44 years, male: 1,73440–44 years, female: 1,46035–39 years, male: 2,44135–39 years, female: 2,14130–34 years, male: 2,48230–34 years, female: 2,15325–29 years, male: 2,16925–29 years, female: 1,98520–24 years, male: 1,92220–24 years, female: 1,84715–19 years, male: 2,14315–19 years, female: 2,07010–14 years, male: 2,50110–14 years, female: 2,1805–9 years, male: 2,2945–9 years, female: 1,8030–4 years, male: 2,1830–4 years, female: 2,19485+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K2K2K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 552 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Plainfield Income

$85,908median household income

Median household income

$85,908

Half of households earn more, half earn less

Median earnings

$37,559

Typical yearly pay for a worker 25 or older.

Poverty rate

15.5%

About 1 in 6 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Plainfield Marital Status

36% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married36%38%33%
Never married49%50%48%
Divorced9%8%10%
Widowed4%2%6%
Separated3%3%3%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

10 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year