City in Sully County, South Dakota · 0.7 sq mi · 945 people per sq mi
About 640 people live in Onida. The typical household earns $70,000, and the median resident is 42.2 years old.
2026 projection
From 665 in 2020
Poverty rate 4.85%
Men 49.3 · Women 38.4
2010–2026
635
2026 projection
4.5% since 2020 (decrease)
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
635
2026 projection
4.5% since 2020 (decrease)
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 | 635 | -5 | 0.78% |
|---|---|---|---|
| 2025 | 640 | -7 | 1.08% |
| 2024 | 647 | -9 | 1.37% |
| 2023 | 656 | -1 | 0.15% |
| 2022 | 657 | -12 | 1.79% |
| 2021 | 669 | +4 | 0.60% |
| 2020 | 665 | +41 | 6.57% |
| 2019 | 624 | -7 | 1.11% |
| 2018 | 631 | -13 | 2.02% |
| 2017 | 644 | -9 | 1.38% |
Showing 10 of 17 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 6 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 21 residents
54% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 54% | 55% | 54% |
| Never married | 27% | 25% | 29% |
| Divorced | 9% | 12% | 5% |
| Widowed | 10% | 8% | 11% |
| Separated | <1% | 0% | 2% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau