Corsica, South Dakota Demographics & Population 2026
During the 2020–2024 ACS period, Corsica, South Dakota had a total population of 699, the 120th largest city in South Dakota, with a median household income of $59,250, which is 21% lower than the state average. The poverty rate is 8.2%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Corsica Quick Facts
How Corsica Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 654 | 699 | +6.9% |
| Median household income | $65,893 | $59,250 | -10.1% |
| Median home value | $126,800 | $162,500 | +28.2% |
How Corsica Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 35 | National average: 61
Education
Educational Attainment (Adults 25+)
Corsica Rankings in South Dakota
Explore South Dakota Rankings
Other Cities in Douglas County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Armour | 675 | $81,917 | 11.1% | $105,500 |
| Delmont | 183 | $42,000 | 18.0% | $86,700 |
| New Holland | 4 | N/A | 0.0% | N/A |
Cities Similar to Corsica
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Wolsey | 692 | $57,500 | $101,200 | 24.5% | 6.4% |
| Avon | 704 | $62,361 | $107,600 | 15.7% | 31.5% |
| Big Stone City | 706 | $63,333 | $151,200 | 15.0% | 24.9% |
| McLaughlin | 683 | $62,159 | $62,400 | 25.1% | 22.0% |
| Bryant | 727 | $62,000 | $143,400 | 9.1% | 27.7% |
A note before these figures: with a population of 699, Corsica's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
Corsica is a small community located in South Dakota, within Douglas County. The total population is 699. It ranks as the 120th most populous out of 439 Census-designated places in South Dakota.
Age Demographics
The median age in Corsica is 44.3 years. This is 17% higher than the state median of 38.0 years. 17.9% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Corsica is $59,250. This is 21% lower than the state median of $75,081. It is also 27% lower than the national median of $80,734. The poverty rate stands at 8.2%. This is 31% lower than the state poverty rate of 11.9%. The survey records no unemployed residents in Corsica, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $162,500. Housing costs are 37% lower than the state median of $257,400. With a home-value-to-income ratio of just 2.7x, Corsica is one of the most affordable housing markets in the area. 65.2% of occupied housing units are owner-occupied. This homeownership rate is 5% lower than the state average of 68.6%.
Race & Ethnicity
Corsica has a predominantly White (non-Hispanic) population, comprising 88.3% of all residents. Hispanic or Latino residents account for 1.6%. The Hispanic or Latino population (1.6%) is well below the state average of 4.8%.
Education
27.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 13% lower than the state rate of 31.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 84.7%.
Data Sources & Methodology
All demographic data for Corsica, South Dakota is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against South Dakota state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 439 Census-designated places in South Dakota. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Corsica, South Dakota?
Corsica, South Dakota has a population of 699 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Corsica, SD?
The median household income in Corsica is $59,250, which is 27% lower than the national median of $80,734.
What is the poverty rate in Corsica, SD?
The poverty rate in Corsica is 8.2%. This means approximately 52 residents live below the federal poverty line.
What is the racial makeup of Corsica, South Dakota?
Corsica's population is 88.3% White, 0.0% Black, 1.6% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Corsica, SD?
The median home value in Corsica is $162,500. The home-value-to-income ratio is 2.7x.
How educated is Corsica, South Dakota?
27.7% of adults (25+) in Corsica hold a bachelor's degree or higher, and 5.0% hold a graduate or professional degree.