US Census Data

Davison County vs Union County

A side-by-side comparison of Davison County and Union County: population, income, housing, and more.

Davison County and Union County are counties in South Dakota. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Davison County has the higher population (19,936 vs 16,916 in Union County). Union County has the higher median household income ($84,137 vs $61,401 in Davison County). Union County has the higher median home value ($269,500 vs $190,000 in Davison County).

Population, income & housing

Davison CountyUnion County
Population19,93616,916
Median age39.8 yrs40.4 yrs
Median household income$61,401$84,137
Median home value$190,000$269,500
Median gross rent$750$1,055
Housing units9,5507,438
Homeownership rate63.0%71.3%
Bachelor's degree or higher25.0%36.5%
Unemployment rate0.9%3.5%

Trends (ACS 5-year, 2019–2023)

Davison CountyUnion County
Population19,871 → 19,936 (+0.3%)15,368 → 16,916 (+10.1%)
Median household income$50,570 → $61,401 (+21.4%)$70,378 → $84,137 (+19.6%)
Median home value$154,700 → $190,000 (+22.8%)$179,300 → $269,500 (+50.3%)
Median gross rent$759 → $750 (-1.2%)$854 → $1,055 (+23.5%)

Davison County

Population
19,87119,936
Median household income
$50,570$61,401
Median home value
$154,700$190,000
Median gross rent
$759$750

Union County

Population
15,36816,916
Median household income
$70,378$84,137
Median home value
$179,300$269,500
Median gross rent
$854$1,055

Age & race/ethnicity

Age distribution (share)

Davison CountyUnion County
Under 56.8%5.3%
5 to 1716.9%18.9%
18 to 248.8%6.9%
25 to 3412.7%12.2%
35 to 4411.3%13.2%
45 to 5410.7%11.7%
55 to 6412.6%13.0%
65 to 7411.1%11.8%
75 and over9.2%7.1%

Race & ethnicity (share)

Davison CountyUnion County
White (non-Hispanic)88.8%89.0%
Black or African American0.6%0.8%
American Indian & Alaska Native3.0%0.9%
Asian0.5%1.4%
Native Hawaiian & Pacific Islander0.0%0.1%
Some other race0.5%0.2%
Two or more races1.9%3.2%
Hispanic or Latino4.7%4.4%

Educational attainment (age 25+)

Share of adults 25+

Davison CountyUnion County
No high school diploma8.2%5.1%
High school graduate34.9%28.0%
Some college or associate's31.9%30.4%
Bachelor's degree18.7%22.8%
Graduate or professional degree6.3%13.7%

Commute to work

How workers get to work (share)

Davison CountyUnion County
Drove alone78.5%82.5%
Carpooled7.0%7.1%
Public transit0.9%0.0%
Walked2.8%1.4%
Bicycle0.4%0.3%
Worked from home9.0%7.5%
Other means1.5%1.2%

Housing

Units in structure (share)

Davison CountyUnion County
1-unit, detached63.9%70.9%
1-unit, attached2.3%4.4%
2 to 4 units8.0%4.4%
5 to 19 units11.9%7.4%
20 or more units8.2%8.8%
Mobile home & other5.6%4.3%

Poverty & households

Davison CountyUnion County
Poverty rate12.4%7.3%
Average household size2.202.36
Mean commute (minutes)1319
Median year structure built19711992

Full profiles

2

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Davison County vs Union County: Compare Population & Demographics | US Census Data