St. Lawrence, South Dakota Demographics & Population 2026
During the 2020–2024 ACS period, St. Lawrence, South Dakota had a total population of 172, the 249th largest town in South Dakota, with a median household income of $46,000, which is 39% lower than the state average. The poverty rate is 8.7%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 39% below the state average, indicating significant economic challenges.
- Only 9.4% of adults have a bachelor's degree, well below the national average of 35.7%.
- Housing is very affordable with a home-value-to-income ratio of just 2.5x.
St. Lawrence Quick Facts
How St. Lawrence 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 | 145 | 172 | +18.6% |
| Median household income | $42,813 | $46,000 | +7.4% |
| Median home value | $83,800 | $114,100 | +36.2% |
How St. Lawrence 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+)
St. Lawrence Rankings in South Dakota
Explore South Dakota Rankings
Other Cities in Hand County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Miller | 1,363 | $57,500 | 7.6% | $155,200 |
| Millerdale Colony | 90 | N/A | 0.0% | N/A |
| Ree Heights | 38 | $74,196 | 0.0% | $18,100 |
Cities Similar to St. Lawrence
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Hecla | 182 | N/A | $47,100 | 7.2% | 2.8% |
| Horse Creek | 162 | N/A | N/A | 0.0% | 96.9% |
| Delmont | 183 | $42,000 | $86,700 | 12.5% | 18.0% |
| Okreek | 195 | N/A | N/A | 22.6% | 66.1% |
| Tschetter Colony | 148 | N/A | N/A | 81.1% | 84.1% |
A note before these figures: with a population of 172, St. Lawrence'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
St. Lawrence is a small community located in South Dakota, within Hand County. The total population is 172. It ranks as the 249th most populous out of 439 Census-designated places in South Dakota.
Age Demographics
The median age in St. Lawrence is 49.6 years. This is 31% higher than the state median of 38.0 years.
Economy, Income & Housing
The median household income in St. Lawrence is $46,000. This is 39% lower than the state median of $75,081. It is also 43% lower than the national median of $80,734. The poverty rate stands at 8.7%. This is 27% lower than the state poverty rate of 11.9%. The survey records no unemployed residents in St. Lawrence, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $114,100. Housing costs are 56% lower than the state median of $257,400. With a home-value-to-income ratio of just 2.5x, St. Lawrence is one of the most affordable housing markets in the area. 65.9% of occupied housing units are owner-occupied. This homeownership rate is 4% lower than the state average of 68.6%.
Race & Ethnicity
The largest racial or ethnic group in St. Lawrence is White (non-Hispanic), making up 81.4% of the population. Black or African American residents account for 2.9%.
Education
9.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 70% 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 98.4%.
Data Sources & Methodology
All demographic data for St. Lawrence, 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 St. Lawrence, South Dakota?
St. Lawrence, South Dakota has a population of 172 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in St. Lawrence, SD?
The median household income in St. Lawrence is $46,000, which is 43% lower than the national median of $80,734.
What is the poverty rate in St. Lawrence, SD?
The poverty rate in St. Lawrence is 8.7%. This means approximately 15 residents live below the federal poverty line.
What is the racial makeup of St. Lawrence, South Dakota?
St. Lawrence's population is 81.4% White, 2.9% Black, 0.0% Hispanic/Latino, and 1.7% Asian.
What is the median home value in St. Lawrence, SD?
The median home value in St. Lawrence is $114,100. The home-value-to-income ratio is 2.5x.
How educated is St. Lawrence, South Dakota?
9.4% of adults (25+) in St. Lawrence hold a bachelor's degree or higher, and 6.3% hold a graduate or professional degree.