Town in Weld County, Colorado · 13.9 sq mi · 1,499 people per sq mi
20,828 people live in Firestone. The typical household earns $120,150, and the median resident is 35.9 years old.
2026 projection
From 16,381 in 2020
Poverty rate 4.58%
Men 35.8 · Women 36.2
1910–2026
20,828
2026 projection
27.1% since 2020 (increase)
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.
1910–2026
20,828
2026 projection
27.1% since 2020 (increase)
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 | 20,828 | +699 | 3.47% |
|---|---|---|---|
| 2025 | 20,129 | +677 | 3.48% |
| 2024 | 19,452 | +836 | 4.49% |
| 2023 | 18,616 | +340 | 1.86% |
| 2022 | 18,276 | +976 | 5.64% |
| 2021 | 17,300 | +919 | 5.61% |
| 2020 | 16,381 | +1,073 | 7.01% |
| 2019 | 15,308 | +1,698 | 12.48% |
| 2018 | 13,610 | +519 | 3.96% |
| 2017 | 13,091 | +320 | 2.51% |
Showing 10 of 27 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.
Firestone is growing faster than Weld 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 180 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 22 residents
57% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 57% | 57% | 57% |
| Never married | 28% | 29% | 26% |
| Divorced | 11% | 10% | 11% |
| Widowed | 4% | 2% | 5% |
| Separated | 2% | 2% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources