Town in Summit County, Colorado · 1.8 sq mi · 695 people per sq mi
1,269 people live in Keystone. The typical household earns $51,591, and the median resident is 28.2 years old.
2026 projection
From 1,369 in 2020
Poverty rate 26.32%
Men 30.8 · Women 23.7
2010–2026
1,269
2026 projection
7.3% 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
1,269
2026 projection
7.3% 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 | 1,269 | -5 | 0.39% |
|---|---|---|---|
| 2025 | 1,274 | -3 | 0.23% |
| 2024 | 1,277 | +4 | 0.31% |
| 2023 | 1,273 | -6 | 0.47% |
| 2022 | 1,279 | -9 | 0.70% |
| 2021 | 1,288 | -81 | 5.92% |
| 2020 | 1,369 | +1,369 | — |
| 2019 | 0 | 0 | — |
| 2018 | 0 | 0 | — |
| 2017 | 0 | 0 | — |
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.
Keystone has a population change lower than Summit County, Colorado, 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 4 residents
22% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 22% | 18% | 26% |
| Never married | 66% | 65% | 67% |
| Divorced | 7% | 8% | 6% |
| Widowed | 4% | 7% | <1% |
| Separated | <1% | 2% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources