US Census Data

Dallas County vs Johnson County

A side-by-side comparison of Dallas County and Johnson County: population, income, housing, and more.

Dallas County and Johnson County are counties in Iowa. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Johnson County has the higher population (154,881 vs 104,136 in Dallas County). Dallas County has the higher median household income ($102,349 vs $74,721 in Johnson County). Dallas County has the higher median home value ($333,400 vs $293,100 in Johnson County).

Population, income & housing

Dallas CountyJohnson County
Population104,136154,881
Median age35.8 yrs30.8 yrs
Median household income$102,349$74,721
Median home value$333,400$293,100
Median gross rent$1,239$1,104
Housing units43,19567,211
Homeownership rate69.5%58.8%
Bachelor's degree or higher51.6%54.6%
Unemployment rate2.9%3.7%

Trends (ACS 5-year, 2019–2023)

Dallas CountyJohnson County
Population87,099 → 104,136 (+19.6%)148,577 → 154,881 (+4.2%)
Median household income$88,479 → $102,349 (+15.7%)$62,542 → $74,721 (+19.5%)
Median home value$248,100 → $333,400 (+34.4%)$227,600 → $293,100 (+28.8%)
Median gross rent$1,045 → $1,239 (+18.6%)$972 → $1,104 (+13.6%)

Dallas County

Population
87,099104,136
Median household income
$88,479$102,349
Median home value
$248,100$333,400
Median gross rent
$1,045$1,239

Johnson County

Population
148,577154,881
Median household income
$62,542$74,721
Median home value
$227,600$293,100
Median gross rent
$972$1,104

Age & race/ethnicity

Age distribution (share)

Dallas CountyJohnson County
Under 56.9%5.4%
5 to 1719.9%14.1%
18 to 247.3%20.9%
25 to 3414.2%14.8%
35 to 4416.6%12.4%
45 to 5412.3%9.9%
55 to 6410.2%9.6%
65 to 747.3%7.9%
75 and over5.2%5.0%

Race & ethnicity (share)

Dallas CountyJohnson County
White (non-Hispanic)81.7%75.5%
Black or African American2.5%7.5%
American Indian & Alaska Native0.0%0.1%
Asian4.6%5.8%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.5%0.4%
Two or more races4.0%4.0%
Hispanic or Latino6.7%6.7%

Educational attainment (age 25+)

Share of adults 25+

Dallas CountyJohnson County
No high school diploma3.9%3.8%
High school graduate18.0%15.8%
Some college or associate's26.4%25.9%
Bachelor's degree34.1%30.6%
Graduate or professional degree17.5%24.0%

Commute to work

How workers get to work (share)

Dallas CountyJohnson County
Drove alone71.9%64.9%
Carpooled6.5%7.5%
Public transit0.1%4.1%
Walked1.2%7.9%
Bicycle0.1%1.9%
Worked from home18.6%12.6%
Other means1.7%1.1%

Housing

Units in structure (share)

Dallas CountyJohnson County
1-unit, detached62.6%48.6%
1-unit, attached10.2%11.9%
2 to 4 units3.1%6.0%
5 to 19 units9.0%17.1%
20 or more units12.6%12.7%
Mobile home & other2.4%3.7%

Poverty & households

Dallas CountyJohnson County
Poverty rate5.8%16.7%
Average household size2.532.36
Mean commute (minutes)2120
Median year structure built20051991

Full profiles

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