US Census Data

Plymouth County, Iowa

11 cities & places have their primary county here.

Population
25,699
+2.5%’19–’23
Median household income
$81,600
+21.3%’19–’23
Median home value
$218,600
+33.7%’19–’23

Plymouth County, Iowa counts 25,699 residents. 11 cities and places have their primary county here. The median household income of $81,600 is above the Iowa median ($73,147).

Between 2019 and 2023, Plymouth County's population grew 2.5% from 25,068 to 25,699, while its median household income rose 21.3% from $67,297 to $81,600.

23.9% of adults 25 and older hold a bachelor's degree or higher. Owners occupy 73.7% of the area's occupied homes.

Demographics

ACS 2019–2023
Population
25,699
Median age
41.1 yrs
Median household income
$81,600
Median home value
$218,600
Median gross rent
$865
Housing units
10,863
Homeownership rate
73.7%
Bachelor's degree or higher
23.9%
Unemployment rate
1.9%

Trends

ACS 5-year · 2019–2023
Population
25,06825,699
Median household income
$67,297$81,600
Median home value
$163,500$218,600
Median gross rent
$660$865
YearPopulationMedian household incomeMedian home valueMedian gross rent
201925,068$67,297$163,500$660
202025,141$71,147$172,600$714
202125,543$74,239$176,800$760
202225,621$79,963$199,800$816
202325,699$81,600$218,600$865

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

CountShare
Under 51,4535.7%
5 to 174,95819.3%
18 to 241,8347.1%
25 to 342,76710.8%
35 to 443,14612.2%
45 to 543,06811.9%
55 to 643,51713.7%
65 to 742,85111.1%
75 and over2,1058.2%

Race & ethnicity

CountShare
White (non-Hispanic)22,80988.8%
Black or African American6072.4%
American Indian & Alaska Native570.2%
Asian1350.5%
Native Hawaiian & Pacific Islander130.1%
Some other race120.0%
Two or more races4881.9%
Hispanic or Latino (any race)1,5786.1%

Educational attainment (age 25+)

CountShare
No high school diploma1,0145.8%
High school graduate6,33836.3%
Some college or associate's5,93434.0%
Bachelor's degree3,20318.4%
Graduate or professional degree9655.5%

Commute to work

Mean travel time to work
19 min

How workers get to work

CountShare
Drove alone10,63179.3%
Carpooled1,1658.7%
Public transit560.4%
Walked2982.2%
Bicycle120.1%
Worked from home1,1518.6%
Other means930.7%

Travel time

CountShare
Under 15 min5,88548.0%
15 to 29 min3,37827.6%
30 to 44 min2,14917.5%
45 to 59 min5124.2%
60+ min3312.7%

Households

Average household size
2.46
Poverty rate
6.8% (1,712 of 25,317)
CountShare
Family households7,12569.2%
Nonfamily households3,17230.8%

Housing

Median year structure built
1972

Occupancy

CountShare
Occupied10,29794.8%
Vacant5665.2%

Tenure (of occupied units)

CountShare
Owner-occupied7,58773.7%
Renter-occupied2,71026.3%

Units in structure

CountShare
1-unit, detached8,36277.0%
1-unit, attached3503.2%
2 to 4 units6405.9%
5 to 19 units8467.8%
20 or more units1981.8%
Mobile home & other4674.3%

Geography

County GEOID
19149
State
Iowa
Land area
863 sq mi
Water area
0.84 sq mi
Center point
42.7376, -96.2160

Cities & places

11

Compare with nearby counties

5

Iowa rankings

21

Other counties in Iowa

98