Jamesville Colony, South Dakota Demographics & Population 2026
During the 2020–2024 ACS period, Jamesville Colony, South Dakota had a total population of 101, the 303rd largest community in South Dakota. The poverty rate is 37.1%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- More than 1 in 4 residents live below the poverty line (37.1%), well above the national average of 12.4%.
- 74.2% of adults hold a bachelor's degree or higher — top 10% in South Dakota.
Jamesville Colony Quick Facts
How Jamesville Colony 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 | 66 | 101 | +53.0% |
How Jamesville Colony Compares
Median Household Income
Median Home Value
Economy & Housing
Employment
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+)
Jamesville Colony Rankings in South Dakota
Explore South Dakota Rankings
Other Cities in Yankton County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Yankton | 15,540 | $67,804 | 14.1% | $222,700 |
| Gayville | 519 | $79,375 | 4.0% | $99,300 |
| Irene | 456 | $66,563 | 3.7% | $87,300 |
| Mission Hill | 200 | $71,250 | 5.5% | $104,200 |
| Volin | 139 | $112,557 | 2.9% | $115,600 |
| Lesterville | 91 | $56,250 | 7.7% | $70,800 |
| Utica | 68 | $51,000 | 4.4% | $52,500 |
Cities Similar to Jamesville Colony
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Goodwin | 101 | $53,125 | $188,500 | 18.6% | 21.8% |
| Dallas | 102 | $63,333 | $77,300 | 4.3% | 13.7% |
| Fairview | 102 | $71,719 | $155,400 | 14.7% | 18.6% |
| Spencer | 103 | $67,188 | $155,600 | 18.1% | 2.9% |
| Akaska | 104 | $40,625 | $91,700 | 36.1% | 31.7% |
A note before these figures: with a population of 101, Jamesville Colony'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
Jamesville Colony is a small community located in South Dakota, within Yankton County. The total population is 101. It ranks as the 303rd most populous out of 439 Census-designated places in South Dakota.
Age Demographics
The median age in Jamesville Colony is 25.7 years. This is 32% lower than the state median of 38.0 years. With 38.6% of the population under 18, Jamesville Colony has a notably young demographic profile, suggesting a family-oriented community. 22.8% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The poverty rate stands at 37.1%. This is 211% higher than the state poverty rate of 11.9%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The survey records no unemployed residents in Jamesville Colony, which reflects the size of the sample rather than a labor market without joblessness.
Race & Ethnicity
Every resident counted in Jamesville Colony was recorded as White (non-Hispanic). A figure of exactly 100.0% reflects a survey sample too small to capture the community's full composition rather than a precise measurement.
Education
74.2% of residents aged 25 and older hold a bachelor's degree or higher. This places Jamesville Colony in the top 10% of all cities in the state for educational attainment. This is 133% higher than the state rate of 31.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample. Notably, 74.2% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Jamesville Colony, 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 Jamesville Colony, South Dakota?
Jamesville Colony, South Dakota has a population of 101 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Jamesville Colony, SD?
The Census Bureau does not publish a reliable median household income estimate for Jamesville Colony — the community is too small for the ACS sample. The national median is $80,734.
What is the poverty rate in Jamesville Colony, SD?
The poverty rate in Jamesville Colony is 37.1%. This means approximately 23 residents live below the federal poverty line.
What is the racial makeup of Jamesville Colony, South Dakota?
Jamesville Colony's population is 100.0% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Jamesville Colony, SD?
The Census Bureau does not publish a reliable median home value estimate for Jamesville Colony — there are too few owner-occupied homes in the ACS sample. The national median is $332,700.
How educated is Jamesville Colony, South Dakota?
74.2% of adults (25+) in Jamesville Colony hold a bachelor's degree or higher, and 74.2% hold a graduate or professional degree.