Corson County, SD demographics:
population, income, and more

Total population
3,806
-1.4% year-over-year change
Median household income
$46,406/yr
6.1% year-over-year change
Housing units
1,359
-0.1% year-over-year change

Corson County population

How many people live in Corson County

Corson County is home to 3,806 residents, according to the most recent Census data. Gender-wise, 49.7% of Corson County locals are male, and 50.3% are female.

Total population
3,806
-1.4% year-over-year change
Gender ratio
Male
49.7%
1,890
Female
50.3%
1,916
Value Percent YoY change
Male 1,890 49.7% -0.8%
Female 1,916 50.3% -1.9%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Corson County is 30, with the population distributed as follows: about 29% are children under 15, then 15.9% are in the 15 to 24 age group. Adults between 25 and 44 make up 21.3% of the population, while another 20.6% fall into the 45 to 64 bracket. Finally, around 13.2% are 65 or older.

Median age
29.9
Age breakdown
Under 15
29%
15 to 24
15.9%
25 to 44
21.3%
45 to 64
20.6%
Over 65
13.2%
Value Percent YoY change
Under 15 1,105 29% -2.3%
15 to 24 605 15.9% 1.3%
25 to 44 812 21.3% -0.7%
45 to 64 783 20.6% -4.0%
Over 65 501 13.2% 0.8%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Corson County, 99.9% of the population are US-born citizens, while 0.1% have gained naturalized citizenship. There’s also a share of 3% that includes residents with two or more races.

Citizenship
U.S.-born citizens
99.9%
Non-U.S.-born citizens
0.1%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 3,802 99.9% -1.3%
Non-U.S.-born citizens 4 0.1% 33.3%
Racial breakdown
White
29.9%
Black or African American
0%
American Indian and Alaska Native
66.7%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
3%
Other
0.4%
Value Percent
White 1,138 29.9%
American Indian and Alaska Native 2,538 66.7%
Two or more races 116 3%
Other 14 0.4%

Households in Corson County

A peek inside Corson County households

Corson County has 1,128 households, with an average of 3 members in each. Of these, 73.8% are families, while the remaining 26.2% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
1,128
1.4% year-over-year change
Average people per household
3
Non-family households
296
Family households
832
Value Percent YoY change
Non-family households 296 26.2% 2.8%
Family households 832 73.8% 1.0%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Corson County

The housing landscape of Corson County

Corson County's housing consists of 1,359 units, with 83.6% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 0.4% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 11.8% of the housing landscape.

Housing units
1,359
-0.1% year-over-year change
Housing types
Value Percent
1 unit, detached 1,136 83.6%
1 unit, attached 6 0.4%
2 units 8 0.6%
3 or 4 units 42 3.1%
5 to 9 units 6 0.4%
Mobile home 161 11.8%
Homes built since 2020
21
-4.5% year-over-year change

The age of buildings in Corson County

In Corson County, the median construction year is 1974. About 17.5% of homes were built before the 1940s, with another 2.3% going up by 1949. Most development happened in the second half of the 20th century. Then, 16.8% of homes were added from 2000 to 2009, 3.8% between 2010 and 2019, and 1.6% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 238 17.5% -13.4%
Built between 1940 and 1949 31 2.3% -8.8%
Built between 1950 and 1959 142 10.4% -4.0%
Built between 1960 and 1969 181 13.3% 5.2%
Built between 1970 and 1979 219 16.1% 9.0%
Built between 1980 and 1989 157 11.6% -4.8%
Built between 1990 and 1999 90 6.6% -28.6%
Built between 2000 and 2009 228 16.8% 32.6%
Built between 2010 and 2019 52 3.8% 15.6%
Built in 2020 or later 21 1.6% -4.5%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Corson County occupancy rates

Out of the 1,128 occupied housing units in Corson County, 59.1% are owner-occupied, while 40.9% are lived in by tenants. Meanwhile, 17% of all homes on the local market sit vacant.

Occupied housing units
1,128
1.4% year-over-year change
Occupancy breakdown
Renter occupied
461
Owner occupied
667
Value Percent YoY
change
Renter occupied 461 40.9% 5.0%
Owner occupied 667 59.1% -0.9%
Unoccupied housing units
17.0%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Corson County housing costs

Housing costs in Corson County come to a median of $560 per month, while tenants specifically pay a median gross rent of $496.

Median housing costs per month
$560/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Corson County
$496/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Corson County

Corson County education at a glance

About 53.5% of the population in Corson County went to high school, while 16.2% pursued college studies. Another 11.5% earned an associate degree and 13.3% hold a bachelor’s. Meanwhile, 3.2% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 55 2.2% 30.9%
High school diploma 1,316 53.5% -2.4%
College diploma 399 16.2% -2.0%
Associate degree 284 11.5% 4.8%
Bachelor's degree 327 13.3% -3.2%
Graduate degree 80 3.2% -1.2%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Corson County

How much people earn in Corson County

The average annual household income in Corson County was $73,764 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +8.6% change from the previous year. At the same time, the median income stood at $46,406, reflecting a +6.1% shift over the same period.

Average household income in Corson County
$73,764/year
8.6% year-over-year change
Median household income in Corson County
$46,406/year
6.1% year-over-year change

Corson County income by age

In Corson County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $59,844. Those with someone between 45 and 64 in charge, often well established professionally, earn $46,696 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $61,071, while those led by someone over 65, many of whom may be retired, have about $34,091 in earnings. Overall, 56.1% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $61,071 N/A
25 - 44 $59,844 4.8%
45 - 64 $46,696 -17.3%
Over 65 $34,091 2.4%
Above poverty level
2,088
Below poverty level
1,635
Value Percent YoY
change
Above poverty level 2,088 56.1% 0.3%
Below poverty level 1,635 43.9% -3.2%

Employment in Corson County

Workforce and job types in Corson County

The job market in Corson County is powered by 1,143 working residents, spread across a range of industries and roles. 77.7% of the working population are employed in professional or administrative positions, while 22.3% are in hands-on or service-based jobs. Also, 28.5% run their own businesses, 31.2% are employed by private companies, and 37.6% work in the public sector.

Workforce demographics

Working population
1,143
-3.5% year-over-year change
White collar
888
Blue collar
255
Value Percent YoY change
White collar 888 77.7% -5.8%
Blue collar 255 22.3% 5.4%
Employer type
Self employees
28.5%
Private companies
31.2%
Governmental workers
37.6%
Not for profit companies
2.7%
Value Percent YoY change
Self employees 326 28.5% -4.4%
Private companies 356 31.2% -2.5%
Governmental workers 430 37.6% -1.8%
Not for profit companies 31 2.7% -24.4%
Unemployment rate
23.6%
-1.9% year-over-year change

Available workforce

The unemployment rate in Corson County stands at 23.6%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Corson County

How people get around in Corson County

In Corson County, the average commute time is 21 minutes. Commuting methods vary: 71.5% of residents travel by personal vehicle and 2.1% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
21 min
2.9% year-over-year change
Means of transportation
Value Percent YoY change
Car 801 71.5% 1.6%
Walk 24 2.1% -22.6%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Corson County by zipcode?

Zipcode Population Number of households Median income Average income
57641 215 104 $83,750 $112,393
57642 1,969 559 $58,750 $79,838
57645 184 78 $56,667 $85,676
57601 3,422 1,650 $66,003 $86,958
57621 294 57 $32,589 $32,763
57633 445 183 $78,750 $108,244
57634 131 32 $88,125 $78,331
57639 290 72 $21,250 $21,872
57644 388 179 $68,229 $69,484
57656 1,000 371 $66,094 $84,522

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FAQs about Corson County demographics 

What is the total population of Corson County?

Corson County has a total population of 3,806 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -1.4% compared to a year ago.

What is the gender ratio in Corson County?

The gender ratio in Corson County is as follows:
  • 49.7% males (1,890 residents)
  • 50.3% females (1,916 residents)

What is the median age in Corson County?

The median age in Corson County is 29.9.

What is the age distribution of the population in Corson County?

The age distribution in Corson County is as follows:
  • Under 15: 29% (1,105 residents)
  • Ages 15-24: 15.9% (605 residents)
  • Ages 25-44: 21.3% (812 residents)
  • Ages 45-64: 20.6% (783 residents)
  • Over 65: 13.2% (501 residents)

What is the racial and ethnic makeup of Corson County?

The racial and ethnic makeup of Corson County is as follows:
  • White: 29.9% (1,138 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 66.7% (2,538 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 3% (116 residents)
  • Other: 0.4% (14 residents)

What percentage of the population in Corson County are U.S.-born citizens?

U.S.-born citizens represent 99.9% of the population in Corson County.

How many housing units are there in Corson County?

There are 1,359 housing units in Corson County, reflecting a -0.1% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Corson County and what is the average household size?

Corson County has a total of 1,128 households, with an average of 3 people in each.

What is the median household income in Corson County?

Corson County has a median household income of $46,406, representing a +6.1% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Corson County?

The employment rate is 76.4% in Corson County, with a workforce of 1,143 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 77.7% (888 residents)
  • Blue-collar workers: 22.3% (255 residents)

Places of employment:
  • Self-employed: 28.5% (326 residents)
  • Private companies: 31.2% (356 residents)
  • Governmental workers: 37.6% (430 residents)
  • Not-for-profit companies: 2.7% (31 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025