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CITY · 2000 CENSUS

Plainfield

Iowa · 438 residents · 0.336 sq mi
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The short version

Plainfield has roughly average household income, with a median household income of $39,688. Population has declined 6% since 1990. 6% of adults hold a bachelor's degree or higher, below the national rate of 24%. Median home value has more than doubled since 1990, reaching $66,100.

At a glance
Lower income
below the US median
US median: $42,589
Mid-age
median age 37.0
US median: 35.2
Less educated
6% hold a bachelor's degree
US average: 24%
Less affordable
home values up 75%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
438
−6%since 1990
from 464 in 1990
1990 – 2025
Population density
1,304 / sq mi
−6%since 1990
from 1,381 / sq mi in 1990
US average: 242
Median age
37.0
+1%since 1990
from 36.6 in 1990
US average: 35.2
Population, 1990 – 2024
2873674475276071990201020202024Plainfield
2024314
1990201020202024
Section 02

Income & economy

Median household income
$39,688
+30%inflation adjusted, since 1990
from $23,092 in 1990
US average: $42,589
1990 – 2024
Per capita income
$18,156
+78%since 1990
from $10,177 in 1990
US average: $21,522
Poverty rate
8.0%
+0.7 ptssince 1990
from 7.3% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$66,100
+75%inflation adjusted, since 1990
from $28,600 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$450
+11%inflation adjusted, since 1990
from $309 in 1990
US average: $602
Owner-occupied
81.4%
+1.7 ptssince 1990
from 79.8% in 1990
18.6% rent
Afford Score
1.7
+34%since 1990
from 1.2 in 1990
1990 – 2024
RELATED:See current rent listings in Plainfield on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic99.6%(462)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Diversity Score1.1%(5)
2000
White, non-Hispanic98.6%(432)
Black0%(0)
Hispanic / Latino0.9%(4)
Asian0%(0)
Diversity Score2.3%(10)
Diversity Score
2
+112%since 1990
from 1 in 1990
1990 – 2024
Section 05

Education

Bachelor's degree or higher
6.0%
−3.7 ptssince 1990
from 9.7% in 1990
US average: 24.4%
High school or higher
89.4%
+10.4 ptssince 1990
from 79.0% in 1990
US average: 80.3%
Graduate degree
2.0%
−0.3 ptssince 1990
from 2.3% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
15.9 min
−26%since 1990
from 21.5 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Drill deeper

Places similar to Plainfield

Jenkinsburg
Pop 422
Concord
Pop 420
Arden
Pop 442
Ferndale
Pop 359
Places similar to Plainfield
Head to head

Compare Plainfield to nearby cities

PLAINFIELD VS
Waverly
Income$80,284+102%
Home value$223,300+238%
Population10,561+2580%
SEE FULL COMPARISON →
PLAINFIELD VS
Cedar Falls
Income$76,987+94%
Home value$263,600+299%
Population41,240+10367%
SEE FULL COMPARISON →
PLAINFIELD VS
Waterloo
Income$57,480+45%
Home value$152,600+131%
Population66,919+16885%
SEE FULL COMPARISON →
PLAINFIELD VS
Mason City
Income$64,804+63%
Home value$142,000+115%
Population26,853+6715%
SEE FULL COMPARISON →
Frequently asked

How many people live in Plainfield, Iowa?

Plainfield, Iowa has about 438 residents according to the 2000 Census.

What is the median household income in Plainfield, Iowa?

The typical household in Plainfield, Iowa earns about $39,688 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 $66,100, and the typical rent is about $450 a month.

How educated are people in Plainfield, Iowa?

About 6.0% 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 8.0% 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 26 residents, a change of about -6 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 →