County · South Dakota

Charles Mix County, South Dakota

Charles Mix County, South Dakota. Charles Mix County had 9,303 residents in 2025 by the Census Bureau's estimate, down 0.8% since 2020, while South Dakota grew 5.5%. It holds 34 places (7 cities, villages and boroughs, 23 towns and townships and 4 census-designated) and 3 census tracts. GEOID 46023.

Residents, July 2025 estimate

9,303

Census Bureau estimate (no margin published)
2020 Census count: 9,373 · ACS 2020-2024: 9,281

Median household income

$64,038

±$5,646 (90% margin)
South Dakota: $75,081

Median home value

$170,600

±$14,122 (90% margin)
South Dakota: $257,400

Median gross rent

$704

±$89 (90% margin)
South Dakota: $946

How many people live in Charles Mix County, and is it growing?

The 2020 Census counted 9,373 residents in Charles Mix County. The Census Bureau estimates 9,303 for July 1, 2025, down 0.8% since 2020, while South Dakota grew 5.5%. The 2020-2024 American Community Survey puts the population at 9,281 over 1,097 square miles of land.

July 2020→2021 −191 (9,162)
2021→2022 +59 (9,221)
2022→2023 +1 (9,222)
2023→2024 +54 (9,276)
2024→2025 +27 (9,303)

Charles Mix County in South Dakota. Boundaries: Census Bureau 2024.

Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
Measure	Charles Mix County	South Dakota	Change since 2015-2019
Total population	9,281	907,428	−68
Households	3,032±85	365,544	−134
Average household size	2.95±0.08	2.39	no clear change
Housing units	3,668±26	408,584	−242

Charles Mix County's population since 2000

From 9,350 in 2000 to 9,303 in 2025: down 0.5%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

2000 Census 9,350
2005 (estimate) 9,134
2010 Census 9,129
2015 (estimate) 9,359
2020 Census 9,373
2025 (estimate) 9,303

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Charles Mix County?

Charles Mix County holds 34 places: 7 cities, villages and boroughs (incorporated places), 23 towns and townships (county subdivisions with their own government) and 4 census-designated places. The largest is Wagner with 1,422 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Charles Mix County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.

Wagner	city	1,490	1,529±173	$47,462	$136,000	15.7%	100%
Platte	city	1,296	1,161±187	$72,700	$179,200	14.7%	100%
Highland Township, Charles Mix County	township	802	484±128	$56,319	$350,000	43.4%	100%
Lake Andes	city	710	901±154	$47,500	$58,800	36.2%	100%
White Swan Township	township	679	589±141	$88,594	$250,000	31.4%	100%
MartyGEOID 4641180	CDP	677	305±118	$18,693	not published	77.4%	100%
Lawrence Township, Charles Mix County	township	460	501±202	$65,833	$259,400	58.8%	100%
Bryan TownshipGEOID 4602307940	township	373	341±140	$99,219	$292,900	21.4%	100%
La Roche TownshipGEOID 4602336020	township	354	23±29	not published	not published	65.2%	100%
Platte ColonyGEOID 4650310	CDP	299	0±10	not published	not published	–	100%
Platte TownshipGEOID 4602350300	township	284	596±159	$84,444	$404,300	0.0%	100%
Wahehe TownshipGEOID 4602368060	township	256	221±105	$19,091	not published	44.8%	100%
Choteau Creek TownshipGEOID 4602311940	township	232	347±102	$77,750	$215,000	29.1%	100%
Pickstown	town	230	275±65	$87,188	$287,500	12.0%	100%
Howard Township, Charles Mix CountyGEOID 4602330380	township	215	208±99	$112,917	$250,000	12.4%	100%
Goose Lake TownshipGEOID 4602324900	township	208	167±98	$46,875	$117,500	28.7%	100%
Rouse TownshipGEOID 4602356500	township	192	185±88	$62,163	not published	20.5%	100%
Lone Tree Township, Charles Mix CountyGEOID 4602338620	township	160	333±150	$83,125	$95,000	11.1%	100%
GeddesGEOID 4623980	city	156	158±49	$60,000	$88,100	3.8%	100%
Plain Center TownshipGEOID 4602349820	township	140	158±96	$73,214	$330,000	7.0%	100%
Rhoda TownshipGEOID 4602354340	township	138	121±74	$138,875	$168,800	0.0%	100%
Ree TownshipGEOID 4602353900	township	135	51±27	$52,708	not published	7.8%	100%
Darlington Township, Charles Mix CountyGEOID 4602315460	township	121	86±82	not published	not published	0.0%	100%
Jackson Township, Charles Mix CountyGEOID 4602332220	township	117	74±52	$64,712	$232,500	0.0%	100%
Clearfield ColonyGEOID 4612508	CDP	99	106±11	not published	not published	100.0%	100%
Moore TownshipGEOID 4602343580	township	89	91±45	not published	$110,700	0.0%	100%
DanteGEOID 4615420	town	75	120±54	$106,250	$170,800	5.8%	100%
RaviniaGEOID 4653220	town	71	45±27	$19,688	$77,500	46.7%	100%
Kennedy TownshipGEOID 4602333660	township	71	38±21	not published	not published	21.1%	100%
Forbes TownshipGEOID 4602322020	township	63	254±276	not published	not published	100.0%	100%
Hamilton Township, Charles Mix CountyGEOID 4602326700	township	63	31±33	not published	not published	0.0%	100%
Signal TownshipGEOID 4602358740	township	58	94±90	not published	not published	21.3%	100%
Lake George TownshipGEOID 4602335340	township	24	61±65	not published	not published	13.1%	100%
Lakeview ColonyGEOID 4635671	CDP	0	0±10	not published	not published	–	100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Charles Mix County?

The median resident of Charles Mix County is 36.0 years old; 30.7% are under 18 and 19.0% are 65 or older. The largest group is non-Hispanic white residents at 63.7%, then non-Hispanic American Indian and Alaska Native residents at 27.0%. 0.8% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure	Charles Mix County	South Dakota	Change since 2015-2019
Median age	36.0±0.8	38.0	no clear change
Under 18 years	30.7%±0.1 pts	24.2%	–
65 years and over	19.0%±0.1 pts	18.0%	–
Hispanic or Latino (any race)	3.0%	4.8%	−0.6 pts
White alone, not Hispanic	63.7%±0.3 pts	79.8%	+1.1 pts
Black or African American alone, not Hispanic	0.2%±0.2 pts	2.1%	–
Asian alone, not Hispanic	0.6%±0.2 pts	1.4%	–
American Indian and Alaska Native alone, not Hispanic	27.0%±1.3 pts	7.1%	–
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0.0%±0.3 pts	0.0%	–
Two or more races, not Hispanic	5.5%±1.3 pts	4.4%	–
Some other race alone, not Hispanic	0.0%±0.1 pts	0.3%	–
Born outside the United States	0.8%±0.3 pts	4.0%	+0.4 pts
Speak a language other than English at home (age 5+)	6.8%±2.0 pts	7.1%	–
Civilian veterans (age 18+)	8.1%±1.2 pts	7.9%	–
With a disability	11.5%±1.5 pts	12.5%	–
No health insurance coverage	17.1%±2.5 pts	9.0%	no clear change
High school graduate or higher (age 25+)	91.0%±1.6 pts	93.2%	–
Bachelor's degree or higher (age 25+)	25.7%±2.7 pts	31.9%	+7.1 pts
Graduate or professional degree (age 25+)	7.3%±1.5 pts	10.0%	–
Moved from another state in the past year	1.2%±1.0 pts	3.2%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Charles Mix County earn?

Half of Charles Mix County's 3,032 households earn less than $64,038 a year (±$5,646), against $75,081 in South Dakota. In 2015-2019 it was $62,127 in 2024 dollars; the margins of error cannot tell the two periods apart. 24.0% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
Measure	Charles Mix County	South Dakota	Change since 2015-2019
Median household income	$64,038±$5,646	$75,081	no clear change
Mean household income	$84,687±$5,868	$98,527	–
Per capita income	$30,672±$1,895	$40,550	+$3,170
People below the poverty line	24.0%±4.1 pts	11.9%	+5.0 pts
Children under 18 below the poverty line	33.4%±7.9 pts	14.3%	no clear change
Households receiving SNAP	14.2%±2.4 pts	7.9%	–
Households with a broadband subscription	82.7%±2.8 pts	89.6%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Charles Mix County?

Owners occupy 72.3% of Charles Mix County's occupied homes and renters 27.7%. The median owner-occupied home is valued at $170,600 by its owner (±$14,122). The median renter pays $704 a month including utilities, and 22.9% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
Measure	Charles Mix County	South Dakota	Change since 2015-2019
Median home value (owner-occupied)	$170,600±$14,122	$257,400	+$26,978
Median gross rent	$704±$89	$946	no clear change
Renters paying 35% or more of income on rent	22.9%±6.0 pts	30.4%	no clear change
Median monthly owner costs, with a mortgage	$1,751±$217	$1,680	–
Owner-occupied homes	72.3%±2.7 pts	68.6%	no clear change
Housing units	3,668±26	408,584	−242
Homeowner vacancy rate	1.5%±1.2 pts	0.8%	–
Rental vacancy rate	6.3%±2.9 pts	6.0%	–
Single-family detached homes	84.4%±2.2 pts	66.9%	–
Mobile homes	6.5%±1.5 pts	7.2%	–
Built 2020 or later	1.1%±0.7 pts	2.3%	–
Built 1939 or earlier	27.5%±3.0 pts	15.8%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Charles Mix County building?

Builders took permits for 20 new housing units across Charles Mix County in 2025 (20 single-family), 2.1 per 1,000 residents.

2019 15 units
2020 24 units
2021 29 units
2022 34 units
2023 15 units
2024 30 units
2025 20 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Charles Mix County get to work?

75.3% of Charles Mix County's workers drive alone and 9.5% work from home. The average trip to work takes 14.1 minutes. The unemployment rate in 2020-2024 averaged 5.8%.

Work and commuting, ACS 2020-2024 5-year estimates
Measure	Charles Mix County	South Dakota	Change since 2015-2019
In the labor force (age 16+)	61.6%±2.6 pts	67.2%	–
Unemployment rate	5.8%±1.8 pts	2.9%	no clear change
Drove alone to work	75.3%±4.0 pts	77.0%	–
Carpooled	7.5%±1.8 pts	8.3%	–
Public transportation	0.4%±0.4 pts	0.5%	–
Walked	4.8%±2.7 pts	3.1%	–
Worked from home	9.5%±3.0 pts	9.7%	no clear change
Mean travel time to work	14.1 min±1.2	17.8 min	+2.1 min

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Charles Mix County's census tracts?

Charles Mix County is divided into 3 census tracts. Among those with a reliable estimate, median household income runs from $56,563 (Tract 9402) to $75,893 (Tract 9701).

Census tracts of Charles Mix County, ACS 2020-2024 5-year estimates; sort by any column

Tract 940246023940200	Lake Andes (12%)	3,366	3,127±247	$56,563	$157,400	$725	30.6%
Tract 940346023940300	Wagner (17%)	3,222	3,457±211	$61,200	$150,500	$678	23.1%
Tract 970146023970100	Platte (21%)	2,785	2,697±237	$75,893	$219,200	$838	17.6%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Charles Mix County compare with South Dakota's other counties?

Charles Mix County's rank among South Dakota's counties with a reliable estimate (1 = highest)
Measure	Rank
Population	19th of 66
Growth 2020-2025	51st of 66
Residents per square mile	24th of 66
Median household income	53rd of 66
Median home value	31st of 66
Median gross rent	45th of 65
Poverty rate	11th of 65
Bachelor's degree or higher	31st of 66
Median age	53rd of 66

Every county in South Dakota

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Charles Mix County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.