Codington County, South Dakota Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Codington County, SD Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
-
B
Health Around averageHealthier than 74% of counties in South Dakota
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B
Income Around average
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D
Education Well below average
Source: Map AI Methodology
Population: density and quick facts
| Metric | Codington County | South Dakota Avg | U.S. Average |
|---|---|---|---|
| Population | 28,767 | 907,403 | 337,468,954 |
| Population density (per sq mi) | 40.1 | 11.8 | 86.4 |
| Population growth (%/yr) | 0.39% | 0.80% | 0.59% |
| Median age | 40.4 | 35.5 | 37.3 |
| Households | 12,526 | 365,533 | 130,235,071 |
Population in Codington County grew by 10.1% from 2009 to 2024, reaching 28,767 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Codington County is Gen Z, aged 13–28, at 21.1% of residents. That is 0.8 points below South Dakota as a whole.
- Gen Z 13–28 6,083 21.1% -0.8 pts
- Millennials 29–44 5,708 19.8% -0.6 pts
- Gen X 45–60 5,653 19.7% +1.2 pts
- Boomers 61–79 5,075 17.6% +0.4 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below South Dakota, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 50.0% of the people living in Codington County and men 50.0%.
- Women 50.0% South Dakota 49.6%
- Men 50.0% South Dakota 50.4%
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Residents matching this profile
100% of everyone living in Codington County
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Economy
Codington County has a the economy index of B, which means it is quite prosperous.
| Metric | Codington County | South Dakota Avg | U.S. Average |
|---|---|---|---|
| Median household income | $72,712 | $75,087 | $80,455 |
| Income growth (%/yr) | 4.79% | 4.61% | 4.80% |
| Unemployment rate | 1.9% | 2.9% | 5.2% |
The median household income in Codington County is about 3% lower than in South Dakota.
Housing
| Metric | Codington County | South Dakota Avg | U.S. Average |
|---|---|---|---|
| Median home price | $153,409 | $92,142 | $248,835 |
| Median rent | $938 | $946 | $1,407 |
| Homeownership rate | 69.8% | 68.6% | 65.2% |
The median home price in Codington County is about 13.6 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $938 per month for that long.
Commute Time & Mobility
Commuters in Codington County spend about 24 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 99 hours, about 4.1 full days, spent commuting.
| Metric | Codington County | South Dakota Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 11.8 | 15.3 | 22.4 |
| Round-trip commute (min) | 23.7 | 30.7 | 44.8 |
| Yearly time spent (hours) | 99 | 128 | 187 |
| Estimated yearly cost | $3,057 | $3,961 | $5,790 |
| Work from home | 5.6% | 9.7% | 15.0% |
| Highway traffic (vehicles/day) | 2,070 | 2,777 | 8,813 |
| Local road traffic (vehicles/day) | 629 | 353 | 1,355 |
Fastest commutes among counties in
South Dakota:
Jones County (6.7 min), Bennett County (7.5 min), Jackson County (7.8 min).
Slowest:
Custer County (25.5 min), McCook County (25.4 min), Turner County (23.1 min).
The average commute time in Codington County is 12 minutes, shorter than the 15 minutes in South Dakota.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Codington County has a education index of D, which means it is barely educated.
| Metric | Codington County | South Dakota Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 18.7% | 28.0% | 31.6% |
| Average household size | 2.25 | 2.40 | 2.53 |
Highest education index among counties in
South Dakota:
Clay County (0.4), Lincoln County (0.3), Stanley County (0.3).
Lowest:
Buffalo County (0.1), Mellette County (0.2), Oglala Lakota County (0.2).
Health
Codington County has a health index of B, which means it is quite healthy.
| Metric | Codington County | South Dakota Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 82.5 | 79.9 | 78.3 |
| Self-rated poor health | 12.1% | 13.8% | 16.3% |
| Smokers | 18.8% | 19.9% | 19.0% |
Highest health index among counties in
South Dakota:
Brookings County (0.8), Lincoln County (0.8), Clay County (0.8).
Lowest:
Todd County (0.7), Buffalo County (0.7), Mellette County (0.7).
Frequently Asked Questions
Common questions about Codington County, South Dakota.
What is the population of Codington County, South Dakota?
About 28,767 people live in Codington County, South Dakota, in 12,526 households of 2.3 people on average. The median age is 40.4, so residents are older than the U.S. median of 37.3 by about 3 years.
How densely populated is Codington County, South Dakota?
Averaged over its land area, Codington County, South Dakota has 40 people per square mile, a density typical of rural areas. That is about 46% of the U.S. average of 86.
How affordable is housing in Codington County, South Dakota?
The median home costs 2.1 times the median household income ($153,409 against $72,712), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $938 a month takes about 15% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How strong is the job market in Codington County, South Dakota?
Unemployment in Codington County, South Dakota is only 1.9%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
How common is a college degree in Codington County, South Dakota?
18.7% of adults in Codington County, South Dakota hold a bachelor's degree or higher (about 1 in 5), well below the U.S. share of 31.6%.
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