City in Hamlin County, South Dakota · 1.2 sq mi · 649 people per sq mi
About 750 people live in Castlewood. The typical household earns $87,045, and the median resident is 36.5 years old.
2026 projection
From 700 in 2020
Poverty rate 4.35%
Men 36.5 · Women 36.3
2010–2026
746
2026 projection
6.6% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2010–2026
746
2026 projection
6.6% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 746 | +7 | 0.95% |
|---|---|---|---|
| 2025 | 739 | +9 | 1.23% |
| 2024 | 730 | +18 | 2.53% |
| 2023 | 712 | -4 | 0.56% |
| 2022 | 716 | +9 | 1.27% |
| 2021 | 707 | +7 | 1.00% |
| 2020 | 700 | +50 | 7.69% |
| 2019 | 650 | +11 | 1.72% |
| 2018 | 639 | +4 | 0.63% |
| 2017 | 635 | +11 | 1.76% |
Showing 10 of 17 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 8 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 23 residents
60% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 60% | 57% | 63% |
| Never married | 23% | 31% | 14% |
| Divorced | 14% | 11% | 18% |
| Widowed | 2% | 0% | 5% |
| Separated | <1% | 2% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau