Charles Mix County, South Dakota Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 20th-largest in South Dakota
The population of Charles Mix County, South Dakota is 9,281 as of the 2023 American Community Survey, making it the 20th-largest county in South Dakota. The median household income is $64,850, the median home value is $169,200, and the median age is 36.1.
The population of Charles Mix County has grown 2.1% since 2010 (9,153 → 9,343), a +0.15% annualized rate.
9,281
Population
+0.15%
Annual growth
8
People / sq mi
$64,850
Median Income
$169,200
Median Home Value
Charles Mix County covers 1,097 sq mi of land at 8.5 people per square mile.
About Charles Mix County, SD
Charles Mix County is a county in South Dakota with a population of 9,281. It ranks #20 among counties in South Dakota by population. The median age is 36.1, younger than the national median. The population is 50.5% male and 49.5% female.
The median household income in Charles Mix County is $64,850, below the US median of $74,580. 15.1% of residents live below the federal poverty level. Home values sit at a median of $169,200, with monthly rent averaging $727. The homeownership rate of 73.9% is higher than the national rate of 64.8%.
Educational attainment in Charles Mix County reflects 25.1% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 12.3% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 14.2 minutes each way.
Charles Mix County Population History (2010-2024)
The county of Charles Mix County had a population of 9,153 in 2010 and 9,343 in 2024, a 2.1% growth over 14 years. The peak was 9,402 in 2017. Average annual growth rate: 0.15%.
9,343
Population (2024)
9,153
Population (2010)
9,402
Peak (2017)
0.15%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 9,153 |
| 2011 | 9,187 |
| 2012 | 9,192 |
| 2013 | 9,184 |
| 2014 | 9,238 |
| 2015 | 9,359 |
| 2016 | 9,363 |
| 2017 | 9,402 |
| 2018 | 9,309 |
| 2019 | 9,286 |
| 2020 | 9,369 |
| 2021 | 9,187 |
| 2022 | 9,237 |
| 2023 | 9,271 |
| 2024 | 9,343 |
Race & Ethnicity
| White | 64.0% |
| Black or African American | 0.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 33.9% |
| Two or More Races | 0.0% |
Age & Sex
36.1
Median Age
49.5%
Female
50.5%
Male
18.5%
Age 65+
Age Distribution
Children (under 15): 25.9% · Seniors (65+): 18.5%
Income & Poverty
| Median household income | $64,850$-7,571 vs state |
| Mean household income | $81,581 |
| Per-capita income | $29,095 |
| Poverty rate | 15.1%+7.7% vs state |
| Unemployment rate | 3.6% |
| Employment-to-population | 58.0% |
Top Industries by Employment
The largest employment sector in Charles Mix County is professional & business services, accounting for 23.9% of workers.
How residents commute
0.9%
Drive alone
4.0%
Carpool
74.5%
Public transit
12.3%
Work from home
14.2 min
Avg commute
Housing
$169,200$-67,600 vs state
Median home value
$727
Median rent
73.9%
Homeownership rate
3,664
Total housing units
82.0%
Occupied
18.0%
Vacant
26.1%
Renter-occupied
Social & access
81.9%
With health insurance
87.7%
With broadband internet
14.8%
Foreign-born
7.2%
Veterans (18+)
11.6%
With a disability
93.2%
Speak language other than English at home
Education
89.6%
High School+
25.1%
Bachelor's+
Largest cities in South Dakota
Other counties in South Dakota
Part of South Dakota
Metro areas in South Dakota
County rankings
Frequently Asked Questions
Charles Mix County, South Dakota has a population of 9,281 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 20th-largest county in South Dakota. Population density is 8 people per square mile.
The population of Charles Mix County has grown 2.1% since 2010 (9,153 → 9,343), a +0.15% annualized rate.
The median household income in Charles Mix County, South Dakota is $64,850, with mean (average) household income of $81,581 and per-capita income of $29,095. 15.1% of residents live below the federal poverty level.
In Charles Mix County, the largest racial and ethnic groups are White (64.0%), Hispanic or Latino (33.9%), Black or African American (0.1%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Charles Mix County, South Dakota is 36.1 years. Residents are 49.5% female and 50.5% male.
The median home value in Charles Mix County is $169,200 and median monthly rent is $727. 73.9% of occupied housing units are owner-occupied. The county has 3,664 total housing units, 18.0% of which are vacant.
The largest employment sector in Charles Mix County, South Dakota is professional, scientific, and management services, employing 23.9% of workers. The unemployment rate is 3.6%.
Sioux Falls is among the largest cities associated with Charles Mix County, South Dakota, with a population of 197,642.
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Statewide data for South Dakota
Population, race, income, age, and trends across South Dakota
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.