US Census Data

Day County vs Dewey County

A side-by-side comparison of Day County and Dewey County: population, income, housing, and more.

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

Day County has the higher population (5,460 vs 5,230 in Dewey County). Day County has the higher median household income ($62,270 vs $57,928 in Dewey County). Day County has the higher median home value ($155,100 vs $75,400 in Dewey County).

Population, income & housing

Day CountyDewey County
Population5,4605,230
Median age47.1 yrs27.6 yrs
Median household income$62,270$57,928
Median home value$155,100$75,400
Median gross rent$623$714
Housing units3,4341,927
Homeownership rate75.8%61.5%
Bachelor's degree or higher21.3%17.3%
Unemployment rate2.2%14.6%

Trends (ACS 5-year, 2019–2023)

Day CountyDewey County
Population5,486 → 5,460 (-0.5%)5,833 → 5,230 (-10.3%)
Median household income$46,679 → $62,270 (+33.4%)$47,475 → $57,928 (+22.0%)
Median home value$100,500 → $155,100 (+54.3%)$64,400 → $75,400 (+17.1%)
Median gross rent$532 → $623 (+17.1%)$579 → $714 (+23.3%)

Day County

Population
5,4865,460
Median household income
$46,679$62,270
Median home value
$100,500$155,100
Median gross rent
$532$623

Dewey County

Population
5,8335,230
Median household income
$47,475$57,928
Median home value
$64,400$75,400
Median gross rent
$579$714

Age & race/ethnicity

Age distribution (share)

Day CountyDewey County
Under 55.1%11.0%
5 to 1717.8%26.6%
18 to 246.1%8.9%
25 to 349.4%11.8%
35 to 4410.5%12.1%
45 to 549.5%8.7%
55 to 6415.4%11.0%
65 to 7414.7%6.4%
75 and over11.6%3.5%

Race & ethnicity (share)

Day CountyDewey County
White (non-Hispanic)83.9%20.2%
Black or African American0.1%0.4%
American Indian & Alaska Native9.5%74.5%
Asian0.2%0.1%
Native Hawaiian & Pacific Islander0.0%0.6%
Some other race0.1%0.0%
Two or more races3.7%2.7%
Hispanic or Latino2.7%1.5%

Educational attainment (age 25+)

Share of adults 25+

Day CountyDewey County
No high school diploma8.2%13.1%
High school graduate34.3%39.9%
Some college or associate's36.2%29.7%
Bachelor's degree16.3%11.7%
Graduate or professional degree5.1%5.6%

Commute to work

How workers get to work (share)

Day CountyDewey County
Drove alone76.7%70.5%
Carpooled6.6%8.6%
Public transit0.3%0.7%
Walked4.3%2.8%
Bicycle0.0%0.0%
Worked from home11.6%14.5%
Other means0.5%2.9%

Housing

Units in structure (share)

Day CountyDewey County
1-unit, detached85.6%72.1%
1-unit, attached0.9%2.3%
2 to 4 units4.4%3.0%
5 to 19 units3.7%3.0%
20 or more units0.8%1.8%
Mobile home & other4.6%17.9%

Poverty & households

Day CountyDewey County
Poverty rate14.0%32.3%
Average household size2.273.07
Mean commute (minutes)2217
Median year structure built19641977

Full profiles

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Related rankings

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