CDP in Cascade County, Montana · 5.3 sq mi · 281 people per sq mi
About 1,500 people live in Sun Prairie. The typical household earns $55,688, and the median resident is 49 years old.
2026 projection
From 1,617 in 2020
Poverty rate 9.92%
Men 50.3 · Women 35.7
2011–2026
1,487
2026 projection
8% 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.
2011–2026
1,487
2026 projection
8% 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 | 1,487 | -9 | 0.60% |
|---|---|---|---|
| 2025 | 1,496 | -18 | 0.60% |
| 2023 | 1,514 | +148 | 10.83% |
| 2022 | 1,366 | -362 | 20.95% |
| 2021 | 1,728 | +111 | 6.86% |
| 2020 | 1,617 | -100 | 5.82% |
| 2019 | 1,717 | +202 | 13.33% |
| 2018 | 1,515 | +109 | 7.75% |
| 2017 | 1,406 | +213 | 17.85% |
| 2016 | 1,193 | -65 | 5.17% |
Showing 10 of 15 years.
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 10 residents
54% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 54% | 51% | 58% |
| Never married | 25% | 25% | 24% |
| Divorced | 14% | 18% | 9% |
| Widowed | 8% | 7% | 10% |
| Separated | 0% | 0% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau