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CITY · 2000 CENSUS

Grinnell

Iowa · 9,105 residents · 5.689 sq mi
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The short version

Grinnell has lower-than-average household income, with a median household income of $35,625. Population has held roughly steady since 1990. Median home value has risen by half since 1990, reaching $85,300.

At a glance
Lower income
below the US median
US median: $42,589
Mid-age
median age 35.1
US median: 35.2
Average education
24% hold a bachelor's degree
US average: 24%
Stable housing
home values roughly flat, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
9,105
+2%since 1990
from 8,902 in 1990
1990 – 2025
Population density
1,600 / sq mi
+2%since 1990
from 1,565 / sq mi in 1990
US average: 242
Median age
35.1
+11%since 1990
from 31.5 in 1990
US average: 35.2
Population, 1990 – 2024
9K9K9K9K10K1990201020202024Grinnell
202410K
1990201020202024
Section 02

Income & economy

Median household income
$35,625
+6%inflation adjusted, since 1990
from $25,504 in 1990
US average: $42,589
1990 – 2024
Per capita income
$17,939
+42%since 1990
from $12,652 in 1990
US average: $21,522
Poverty rate
13.3%
+2.6 ptssince 1990
from 10.7% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$85,300
+20%inflation adjusted, since 1990
from $54,100 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$439
+3%inflation adjusted, since 1990
from $322 in 1990
US average: $602
Owner-occupied
65.2%
+0.2 ptssince 1990
from 65.0% in 1990
34.8% rent
Afford Score
2.4
+13%since 1990
from 2.1 in 1990
1990 – 2024
RELATED:See current rent listings in Grinnell on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic97.2%(8,652)
Black0.5%(46)
Hispanic / Latino0.5%(45)
Asian1.8%(157)
Diversity Score8.1%(717)
2000
White, non-Hispanic93.9%(8,553)
Black1%(93)
Hispanic / Latino1.6%(143)
Asian2%(182)
Diversity Score11.3%(1,027)
Diversity Score
11
+40%since 1990
from 8 in 1990
1990 – 2024
Section 05

Education

Bachelor's degree or higher
24.2%
−0.3 ptssince 1990
from 24.5% in 1990
US average: 24.4%
High school or higher
85.4%
+1.3 ptssince 1990
from 84.1% in 1990
US average: 80.3%
Graduate degree
10.8%
−0.2 ptssince 1990
from 11.1% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
11.2 min
−11%since 1990
from 12.6 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 Grinnell

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Pop 10,107
Lake Park
Pop 9,125
Places similar to Grinnell
Head to head

Compare Grinnell to nearby cities

GRINNELL VS
Newton
Income$57,771+62%
Home value$153,700+80%
Population15,741+67%
SEE FULL COMPARISON →
GRINNELL VS
Marshalltown
Income$69,068+94%
Home value$127,700+50%
Population27,536+192%
SEE FULL COMPARISON →
GRINNELL VS
Pella
Income$84,111+136%
Home value$292,700+243%
Population10,992+17%
SEE FULL COMPARISON →
GRINNELL VS
Oskaloosa
Income$64,004+80%
Home value$153,300+80%
Population11,493+22%
SEE FULL COMPARISON →
Frequently asked

How many people live in Grinnell, Iowa?

Grinnell, Iowa has about 9,105 residents according to the 2000 Census.

What is the median household income in Grinnell, Iowa?

The typical household in Grinnell, Iowa earns about $35,625 a year. Half of households make more than that, and half make less.

Is Grinnell, Iowa expensive?

In Grinnell, Iowa, the median home is worth about $85,300, and the typical rent is about $439 a month.

How educated are people in Grinnell, Iowa?

About 24.2% of adults age 25 and over in Grinnell, Iowa hold a bachelor's degree or higher.

What is the poverty rate in Grinnell, Iowa?

About 13.3% of people in Grinnell, Iowa live below the federal poverty line.

Has Grinnell, Iowa grown since 1990?

Yes, Grinnell, Iowa has grown since 1990. The population has added about 203 residents, a change of about 2 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 →