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CITY

Plainfield

Iowa · 394 residents (2025 est.) · 0.336 sq mi
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The short version

Plainfield has roughly average household income, with a median household income of $80,000. Population has fallen 28% since 2000, a loss of 124 residents. 15% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than doubled since 2000, reaching $128,100.

At a glance
Average income
near the US median
US median: $82,259
Older
median age 43.7
US median: 38.9
Less educated
15% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
314
−28%since 2000
from 438 in 2000
1990 – 2025
Population density
935 / sq mi
−28%since 2000
from 1,304 / sq mi in 2000
US average: 281
Median age
43.7
+18%since 2000
from 37.0 in 2000
US average: 38.9

PEP 2025 EST:394 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
2873674475276071990201020202024Plainfield
2024314
1990201020202024
Section 02

Income & economy

Median household income
$80,000
+11%inflation adjusted, since 2000
from $39,688 in 2000
US average: $82,259
1990 – 2024
Per capita income
$37,897
+109%since 2000
from $18,156 in 2000
US average: $44,673
Households earning $100K+
53.0%
+31.3 ptssince 2009
from 21.7% in 2009
US average: 53.3%
Poverty rate
10.2%
+2.2 ptssince 2000
from 8.0% in 2000
US average: 12.5%
Income inequality (Gini)
0.338
−8%since 2010
from 0.369 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade24.9%
US avg: 9.9%
Information10.7%
US avg: 10.8%
Other services7.7%
US avg: 6.7%
Wholesale trade5.9%
US avg: 6.9%
Agriculture, forestry, fishing4.7%
US avg: 1.6%
Public administration4.7%
US avg: 4.8%
Finance & insurance4.1%
US avg: 5.9%
Professional, scientific, technical4.1%
US avg: 5.1%
Construction3.6%
US avg: 1.2%
Transportation & warehousing3.6%
US avg: 2.2%
Manufacturing1.2%
US avg: 0.4%
Arts, entertainment, food1.2%
US avg: 1.9%
Education & health services0%
US avg: 0.9%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$128,100
+6%inflation adjusted, since 2000
from $66,100 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$684
−17%inflation adjusted, since 2000
from $450 in 2000
US average: $1,442
Owner-occupied
87.1%
+5.7 ptssince 2000
from 81.4% in 2000
12.9% rent
Vacancy rate
9.6%
+2.2 ptssince 2009
from 7.4% in 2009
US average: 10.0%
Owner cost-burdened
8.7%
−8.5 ptssince 2009
from 17.2% in 2009
US average: 22.9%
Renter cost-burdened
35.3%
+9.0 ptssince 2009
from 26.3% in 2009
US average: 47.4%
Afford Score
1.6
−4%since 2000
from 1.7 in 2000
1990 – 2024
Gentrification Score
36
RELATED:See current rent listings in Plainfield on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic98.6%(432)
Black0%(0)
Hispanic / Latino0.9%(4)
Asian0%(0)
Other0%
Diversity Score2.3%(10)
2024
White, non-Hispanic88.9%(279)
Black0%(0)
Hispanic / Latino3.5%(11)
Asian0.6%(2)
Other7%(22)
Diversity Score25.5%(80)
Diversity Score
26
+1024%since 2000
from 2 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
15.0%
+9.0 ptssince 2000
from 6.0% in 2000
US average: 35.6%
High school or higher
96.8%
+7.4 ptssince 2000
from 89.4% in 2000
US average: 89.6%
Graduate degree
2.3%
+0.3 ptssince 2000
from 2.0% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
22.1 min
+39%since 2000
from 15.9 min in 2000
US average: 26.5
Drive alone to work
81.4%
−3.3 ptssince 2009
from 84.7% in 2009
US average: 68.9%
Carpooled to work
9.3%
+2.4 ptssince 2009
from 6.9% in 2009
US average: 8.5%
Public transit
0.6%
+0.6 ptssince 2009
from 0.0% in 2009
US average: 3.2%
Worked from home
8.1%
+7.7 ptssince 2009
from 0.4% in 2009
US average: 15.0%
Walked to work
0.0%
−7.3 ptssince 2009
from 7.3% in 2009
US average: 2.4%
Biked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.4%
No vehicle available
1.5%
−0.4 ptssince 2009
from 1.9% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
9.1%
+4.4 ptssince 2011
from 4.8% in 2011
US average: 5.2%
Labor force participation
71.0%
−0.7 ptssince 2011
from 71.7% in 2011
US average: 63.5%
Self-employed
15.4%
+7.1 ptssince 2009
from 8.3% in 2009
US average: 13.1%
Management & professional
30.2%
−22.9 ptssince 2009
from 53.0% in 2009
US average: 42.5%
Section 08

People & community

Male
51.0%
−3.1 ptssince 2009
from 54.0% in 2009
Female
49.0%
+3.1 ptssince 2009
from 46.0% in 2009
Foreign born
1.0%
−0.2 ptssince 2009
from 1.2% in 2009
US average: 14.1%
Veterans
7.9%
−41.9 ptssince 2009
from 49.7% in 2009
US average: 6.2%
With a disability
12.1%
+2.7 ptssince 2012
from 9.4% in 2012
US average: 13.3%
Uninsured
1.9%
−88.4 ptssince 2013
from 90.3% in 2013
US average: 8.4%
Broadband at home
90.9%
+18.4 ptssince 2017
from 72.5% in 2017
US average: 91.0%
English only at home
97.0%
−0.9 ptssince 2016
from 97.8% in 2016
US average: 77.7%
Spanish at home
1.3%
+0.5 ptssince 2016
from 0.9% in 2016
US average: 13.6%
Drill deeper

Places similar to Plainfield

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Pop 422
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Ferndale
Pop 359
Places similar to Plainfield
Head to head

Compare Plainfield to nearby cities

PLAINFIELD VS
Waverly
Income$80,284same
Home value$223,300+74%
Population10,561+2580%
SEE FULL COMPARISON →
PLAINFIELD VS
Cedar Falls
Income$76,987−4%
Home value$263,600+106%
Population41,240+10367%
SEE FULL COMPARISON →
PLAINFIELD VS
Waterloo
Income$57,480−28%
Home value$152,600+19%
Population66,919+16885%
SEE FULL COMPARISON →
PLAINFIELD VS
Mason City
Income$64,804−19%
Home value$142,000+11%
Population26,853+6715%
SEE FULL COMPARISON →
Frequently asked

How many people live in Plainfield, Iowa?

Plainfield, Iowa has about 314 residents according to the 2024 American Community Survey.

What is the median household income in Plainfield, Iowa?

The typical household in Plainfield, Iowa earns about $80,000 a year. Half of households make more than that, and half make less.

Is Plainfield, Iowa expensive?

In Plainfield, Iowa, the median home is worth about $128,100, and the typical rent is about $684 a month.

How educated are people in Plainfield, Iowa?

About 15.0% of adults age 25 and over in Plainfield, Iowa hold a bachelor's degree or higher.

What is the poverty rate in Plainfield, Iowa?

About 10.2% of people in Plainfield, Iowa live below the federal poverty line.

Has Plainfield, Iowa grown since 1990?

Yes, Plainfield, Iowa has shrunk since 1990. The population has lost about 150 residents, a change of about -32 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →