City in Charles Mix County, South Dakota · 1.1 sq mi · 1,156 people per sq mi
1,217 people live in Platte. The typical household earns $72,700, and the median resident is 35.6 years old.
2026 projection
From 1,296 in 2020
Poverty rate 14.72%
Men 34 · Women 39.5
2010–2026
1,217
2026 projection
6.1% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2010–2026
1,217
2026 projection
6.1% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 1,217 | -13 | 1.06% |
|---|---|---|---|
| 2025 | 1,230 | -5 | 0.40% |
| 2024 | 1,235 | 0 | 0.00% |
| 2023 | 1,235 | -13 | 1.04% |
| 2022 | 1,248 | 0 | 0.00% |
| 2021 | 1,248 | -48 | 3.70% |
| 2020 | 1,296 | +4 | 0.31% |
| 2019 | 1,292 | +6 | 0.47% |
| 2018 | 1,286 | -9 | 0.69% |
| 2017 | 1,295 | +8 | 0.62% |
Showing 10 of 17 years.
The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.
Platte has a population change lower than Charles Mix County, South Dakota, and the U.S.
Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.
Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 12 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 7 residents
52% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 52% | 52% | 52% |
| Never married | 31% | 36% | 26% |
| Divorced | 9% | 7% | 10% |
| Widowed | 6% | 2% | 12% |
| Separated | 2% | 3% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources