Population
2,137
2025
+11.5% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
Mellette County, SD: population growth, jobs and income
Mellette County gained 88 residents between 2024 and 2025 (+4.3%).
Mellette County had an estimated 2,137 residents in 2025, up 11.5% (220 more people) since 2020. That is faster than South Dakota as a whole (+5.3%), and the 5th fastest growth of 65 counties in South Dakota.
Data as of 2025 · updated
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In the Mellette County report
One-time $99 PDF: everything on this page for Mellette County, ranked against South Dakota and the U.S., plus these figures that are not on the free page:
- Median gross rent$708/mo2020–24
- Vacant homes, incl. seasonal and second homes17.7%2020–24
- New homes permitted, last 12 months02025-10/2026-09
- Rent growth, 5 yearsIn the report
- Permits in 5+ unit buildingsIn the report
- IRS income moving in (net AGI)In the report
- Neighbouring-county comparison tableIn the report
What's inside: 5 pages
- 1 Summary, headline numbers and ranks (free preview)
- 2 Ranks and the neighbouring-county table
- 3 Migration, with IRS mover and income flows
- 4 Rent, vacant homes, permits and employers
- 5 Every source and the methods
Headline numbers
Net domestic migration
−49
2025
−22.9 per 1,000 residents
−105 in total, 2021–2025
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. People moving in from other U.S. counties minus people moving out.
Unemployment rate
3.0%
2025
−1.5 pts since 2019
Source: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics, 2025. Annual average unemployment rate.
New homes permitted
2
2025
0.9 per 1,000 residents
Small base: the change swings on a few homes or people, so we don't show it.
Source: U.S. Census Bureau, Building Permits Survey, 2025. Housing units authorized by building permits in the year.
Median household income
$54,076
2020–24
+59.6% since 2016–20
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–24. American Community Survey 5-year estimate.
Private-sector employment
156
2023
+3.3% since 2018
Source: U.S. Census Bureau, County Business Patterns, 2023. Paid employees of private employers in mid-March (County Business Patterns).
What the numbers say
Net domestic migration was negative in 2025: 49 more people moved out to other U.S. counties than moved in.
Private employers had 156 paid employees in mid-March 2023, +3.3% since 2018 (County Business Patterns).
Unemployment averaged 3.0% in 2025, 1.5 points lower than in 2019 (before the pandemic).
Builders were authorized to start 2 new homes in 2025, or 0.9 per 1,000 residents.
Median household income was $54,076 in the 2020–24 American Community Survey, +59.6% since 2016–20.
Across the 3,107 U.S. counties with a comparable estimate, its population growth ranks 139th.
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Mellette County population by year
| Year | Population | Change |
|---|---|---|
| 2025 | 2,137 | +88 |
| 2024 | 2,049 | +135 |
| 2023 | 1,914 | +48 |
| 2022 | 1,866 | −31 |
| 2021 | 1,897 | −20 |
| 2020 | 1,917 | – |
Census Bureau population estimates, July 1 of each year.
What drove the change in Mellette County
Mellette County grew by 220 people since 2020 even though 105 more residents moved to other U.S. counties than came from them: births outnumbered deaths by 329, and net international migration was about zero.
| Component | 2025 | 2020–25 | Share |
|---|---|---|---|
| Natural changebirths minus deaths | +138 | +329 | |
| International migrationfrom and to other countries | +0 | +0 | |
| Domestic migrationfrom and to other U.S. counties | −49 | −105 | |
| Census adjustmentbalancing residual | −1 | −4 | |
| Total change | +88 | +220 |
Census Bureau population estimates, components of change, each year July 1 to June 30. The components add up to the change in the estimate; the Census adjustment is the small balancing figure the Bureau publishes.
How it ranks
| Measure | In South Dakota | Among U.S. counties |
|---|---|---|
| Population growth | 5th of 65 | 139th of 3,107 |
| Net domestic migration per 1,000 residents | 65th of 65 | 3,084th of 3,108 |
| Private-sector job growth | 30th of 65 | 1,418th of 3,092 |
| Median household income | 58th of 65 | 2,501st of 3,107 |
| Lowest unemployment rate | 56th of 65 | 426th of 3,108 |
| New homes permitted per 1,000 residents | 51st of 62 | 2,124th of 3,005 |
1st = highest (lowest for unemployment). Counties are ranked only against others with a figure for the same period.
Get the county report — $99
The County Growth and Demographics Report for Mellette County, SD as a PDF, from federal data: population and migration, housing and rents, permits, private employers and jobs, unemployment, ranks in the state and the country, and neighbouring counties, with a source next to every number. Pay once, no subscription.
Add 2 neighbouring counties for $50: the Todd County and Tripp County reports too, $149 for all 3.
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Neighbouring counties
Mellette County grew faster than all 5 of its neighbouring counties with a comparable figure (+11.5%, 2020–25).
3 of its 6 neighbouring counties had a higher median household income than Mellette County's $54,076 (2020–24).
| County | Population2025 | Population change2020–25 | Net domestic migration per 1,000 residents2025 | Homes permitted per 1,000 residents2025 | Median household income2020–24 |
|---|---|---|---|---|---|
| Mellette County, SD This county | 2,137 | +11.5% | −22.9 | 0.9 | $54,076 |
| Jones County, SD | 913 | – | – | – | $65,119 |
| Todd County, SD | 8,863 | −4.9% | −4.7 | 0.0 | $42,075 |
| Tripp County, SD | 5,708 | +1.8% | −6.1 | 1.9 | $58,987 |
| Jackson County, SD | 2,666 | −4.8% | −22.5 | 0.0 | $35,417 |
| Lyman County, SD | 3,694 | −0.1% | −8.4 | 1.9 | $67,143 |
| Bennett County, SD | 3,307 | −2.6% | −9.4 | 0.0 | $53,750 |
Census Bureau population estimates and building permits, American Community Survey 5-year income. Rates per 1,000 residents. – means no figure, or a base too small for a change or rate (it would swing on a few people). A figure from another period shows its year and is left out of the comparison.
Questions
Is Mellette County growing?
Yes. Its population grew 11.5% between 2020 and 2025, about 220 more people (Census Bureau population estimates). South Dakota as a whole changed +5.3% over the same years. That ranks 5th of 65 counties in South Dakota for population growth.
How many people moved to Mellette County?
On net, none in 2025: about 49 more people moved out to other U.S. counties than moved in (Census Bureau net domestic migration estimate).
What is the unemployment rate in Mellette County?
It averaged 3.0% in 2025 (BLS Local Area Unemployment Statistics, annual average).
What is the population of Mellette County?
About 2,137 people, according to the U.S. Census Bureau's population estimate for July 1, 2025.
How many jobs are in Mellette County?
Private employers there had 156 paid employees in mid-March 2023, +3.3% since 2018 (Census Bureau County Business Patterns; government jobs and the self-employed are not counted).
What Beacon CRE covers in South Dakota
Map, parcel and listing layers cover North and South Carolina only for now. This page and the other South Dakota county pages carry the public federal growth figures.
Mellette County data alerts
Email me when Mellette County gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.
Sources and method
- U.S. Census Bureau, Population Estimates Program (Vintage 2025)
- U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics
- U.S. Census Bureau, Building Permits Survey
- U.S. Census Bureau, American Community Survey 5-year estimates
- U.S. Census Bureau, County Business Patterns
Each number shows its own period. Changes compare the latest period with five years earlier (or the earliest period available). Beacon CRE last refreshed these figures on 2026-11-05. Figures come from public federal statistics and are informational only, not investment advice. Check the source before relying on a number. Methodology: how we compute every number. More on every layer: data sources and licences.
Jobs outside North and South Carolina use County Business Patterns (paid private-sector employees in mid-March); wages and government jobs are not included.