CensusEasy
COUNTY · 2000 CENSUS

Plymouth County

Iowa · 24,849 residents · 863 sq mi
Time machine
COMPARE TO
Compare
The short version

Plymouth County is home to 24,849 people in Iowa. 77% of homes are owner-occupied. The poverty rate is 6.0%, under the national 12.4%. Renters pay $416 a month at the median. About 19% of adults have finished a four-year degree. The typical home is worth $90,100, having more than doubled since 1990.

At a glance
Average income
near the US median
US median: $42,589
Older
median age 37.8
US median: 35.2
Less educated
19% hold a bachelor's degree
US average: 24%
Less affordable
home values up 42%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

24,849
+6%since 1990
from 23,388 in 1990
1990 – 2025
37.8
+11%since 1990
from 34.1 in 1990
US average: 35.2
Land area
863 sq mi
Population, 19902024
23K24K25K25K26K19902000201020202024Plymouth County
202426K
1990201020202024
Age distribution, 2000
Under 56.6%(1,641)
US avg: 6.8%
5 to 97.6%(1,900)
US avg: 7.3%
10 to 148.3%(2,062)
US avg: 7.3%
15 to 198.5%(2,101)
US avg: 7.2%
20 to 244.6%(1,135)
US avg: 6.7%
25 to 3410.8%(2,677)
US avg: 14.2%
35 to 4415.7%(3,892)
US avg: 16%
45 to 5413.6%(3,374)
US avg: 13.4%
55 to 648.5%(2,103)
US avg: 8.6%
65 to 747.9%(1,972)
US avg: 6.5%
75 to 845.7%(1,410)
US avg: 4.4%
85 and over2.3%(582)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$41,638
+18%inflation adjusted, since 1990
from $26,796 in 1990
US average: $42,589
1990 – 2024
$19,442
+69%since 1990
from $11,507 in 1990
US average: $21,522
6.0%
−3.0 ptssince 1990
from 9.0% in 1990
US average: 12.4%
Section 03

Housing

$90,100
+42%inflation adjusted, since 1990
from $48,100 in 1990
US average: $120,530
1990 – 2024
$416
+6%inflation adjusted, since 1990
from $298 in 1990
US average: $602
77.5%
+2.7 ptssince 1990
from 74.8% in 1990
22.5% rent
Section 04

Race & ethnicity

1990
White, non-Hispanic99.6%(23,299)
Black0.1%(28)
Hispanic / Latino0.1%(33)
Asian0%(8)
2000
White, non-Hispanic97.4%(24,215)
Black0.3%(67)
Hispanic / Latino1.3%(328)
Asian0.3%(65)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Mexican4.8%(1,235)
Honduran1%(253)
Puerto Rican0.2%(52)
Colombian0.1%(26)
Spaniard0.1%(23)
Asian origin
Filipino0.3%(69)
Laotian0.1%(28)
Vietnamese0.1%(18)
Chinese0.1%(14)
Pacific Islander origin
Chuukese0.2%(41)
Ancestry
German39%(10,029)
Irish12.1%(3,111)
American6.7%(1,735)
English6.3%(1,613)
Dutch4.4%(1,121)
Norwegian2.4%(624)
French1.7%(441)
Swedish1.4%(361)
Danish1.1%(284)
Polish1%(265)
Italian0.9%(242)
+ 22 more ancestry groups with data
Scottish0.9%(227)
Czech0.4%(98)
Scotch-Irish0.3%(83)
Welsh0.2%(49)
British0.1%(38)
Greek0.1%(30)
Belgian0.1%(28)
Swiss0.1%(25)
Australian0.1%(19)
Slovene0.1%(16)
Portuguese0.1%(15)
Russian0.1%(14)
Slovak0%(12)
Somali0%(9)
Arab0%(4)
Section 05

Education

19.3%
+4.3 ptssince 1990
from 15.0% in 1990
US average: 24.4%
High school or higher
87.4%
+9.4 ptssince 1990
from 78.0% in 1990
US average: 80.3%
4.5%
+0.3 ptssince 1990
from 4.2% in 1990
US average: 8.8%
Section 06

Commute & transportation

13.3 min
−50%since 1990
from 26.3 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.

Marital status
Men 15+
Never married25.4%(2,400)
Married65.7%(6,204)
Widowed2.6%(244)
Divorced6.4%(601)
Women 15+
Never married18.3%(1,793)
Married63.2%(6,183)
Widowed11.6%(1,130)
Divorced6.9%(676)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

5.3%
−0.6 ptssince 2013
from 5.9% in 2013
US average: 8.4%
57.6%
−1.9 ptssince 2020
from 59.5% in 2020
US average: 54.8%
Direct-purchase
18.1%
−0.4 ptssince 2020
from 18.5% in 2020
US average: 13.8%
20.2%
+1.4 ptssince 2020
from 18.8% in 2020
US average: 18.4%
18.4%
+3.4 ptssince 2020
from 15.0% in 2020
US average: 20.9%
VA health care
2.6%
Unchangedsince 2020
from 2.6% in 2020
US average: 2.2%
Any private
74.7%
−2.5 ptssince 2020
from 77.2% in 2020
US average: 67.1%
Any public
36.1%
+4.3 ptssince 2020
from 31.8% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)14.6%(195)
US avg: 26.4%
Gulf War (1990s)22%(294)
US avg: 24.3%
Vietnam era50.7%(676)
US avg: 33.1%
Korean War7.6%(102)
US avg: 4.5%
World War II1.9%(25)
US avg: 1%

Share of the 1,334 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper

Places similar to Plymouth County

Head to head

Compare Plymouth County to nearby counties

Frequently asked

How many people live in Plymouth County, Iowa?

Plymouth County, Iowa has about 24,849 residents according to the 2000 Census.

What is the median household income in Plymouth County, Iowa?

The typical household in Plymouth County, Iowa earns about $41,638 a year. Half of households make more than that, and half make less.

Is Plymouth County, Iowa expensive?

In Plymouth County, Iowa, the median home is worth about $90,100, and the typical rent is about $416 a month.

How educated are people in Plymouth County, Iowa?

About 19.3% of adults age 25 and over in Plymouth County, Iowa hold a bachelor's degree or higher.

What is the poverty rate in Plymouth County, Iowa?

About 6.0% of people in Plymouth County, Iowa live below the federal poverty line.

Has Plymouth County, Iowa grown since 1990?

Yes, Plymouth County, Iowa has grown since 1990. The population has added about 1,461 residents, a change of about 6 percent over that period.

Keep going

Explore from here

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

How we source and harmonize this data →