Clark, South Dakota Demographics & Population 2026
During the 2020–2024 ACS period, Clark, South Dakota had a total population of 1,359, the 60th largest city in South Dakota, with a median household income of $58,750, which is 22% lower than the state average. The poverty rate is 10.7%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Housing is very affordable with a home-value-to-income ratio of just 2.1x.
Clark Quick Facts
How Clark 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 | 1,181 | 1,359 | +15.1% |
| Median household income | $49,464 | $58,750 | +18.8% |
| Median home value | $125,700 | $122,800 | -2.3% |
How Clark 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+)
Clark Rankings in South Dakota
Explore South Dakota Rankings
Other Cities in Clark County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Willow Lake | 433 | $72,875 | 1.1% | $149,000 |
| Naples | 96 | N/A | 53.1% | $106,300 |
| Raymond | 82 | $75,000 | 11.0% | $42,800 |
| Bradley | 78 | $57,500 | 11.5% | $94,200 |
| Garden City | 78 | $93,750 | 4.0% | N/A |
| Mayfield Colony | 77 | N/A | 69.6% | N/A |
| Vienna | 49 | $43,125 | 0.0% | N/A |
| Crocker | 22 | N/A | 0.0% | N/A |
Cities Similar to Clark
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Miller | 1,363 | $57,500 | $155,200 | 28.1% | 7.6% |
| Gregory | 1,379 | $51,450 | $115,300 | 18.6% | 7.3% |
| Gettysburg | 1,260 | $63,929 | $125,000 | 28.3% | 4.8% |
| Mission | 1,539 | N/A | $65,900 | 14.9% | 44.0% |
| Freeman | 1,565 | $57,440 | $164,200 | 19.3% | 20.9% |
Population Overview
Clark is a small community located in South Dakota, within Clark County. The total population is 1,359. It ranks as the 60th most populous out of 439 Census-designated places in South Dakota.
Age Demographics
The median age in Clark is 48.2 years. This is 27% higher than the state median of 38.0 years. 14.1% 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 Clark is $58,750. This is 22% 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 10.7%. This is 10% lower than the state poverty rate of 11.9%. The unemployment rate is 7.1%. This is 141% higher than the state rate of 2.9%. The median home value is $122,800. Housing costs are 52% lower than the state median of $257,400. With a home-value-to-income ratio of just 2.1x, Clark is one of the most affordable housing markets in the area. 73.9% of occupied housing units are owner-occupied. This homeownership rate is 8% higher than the state average of 68.6%.
Race & Ethnicity
The largest racial or ethnic group in Clark is White (non-Hispanic), making up 83.5% of the population. Hispanic or Latino residents account for 14.3%. The Hispanic or Latino population is significantly higher than the state average (14.3% vs 4.8%).
Education
13.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 57% 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 91.1%.
Data Sources & Methodology
All demographic data for Clark, 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 Clark, South Dakota?
Clark, South Dakota has a population of 1,359 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Clark, SD?
The median household income in Clark is $58,750, which is 27% lower than the national median of $80,734.
What is the poverty rate in Clark, SD?
The poverty rate in Clark is 10.7%. This means approximately 139 residents live below the federal poverty line.
What is the racial makeup of Clark, South Dakota?
Clark's population is 83.5% White, 0.0% Black, 14.3% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Clark, SD?
The median home value in Clark is $122,800. The home-value-to-income ratio is 2.1x.
How educated is Clark, South Dakota?
13.8% of adults (25+) in Clark hold a bachelor's degree or higher, and 1.0% hold a graduate or professional degree.