Town in Boulder County, Colorado · 1.4 sq mi · 1,559 people per sq mi
2,105 people live in Lyons. The typical household earns $122,837, and the median resident is 46.4 years old.
2026 projection
From 2,209 in 2020
Poverty rate 11.95%
Men 46.3 · Women 46.5
2010–2026
2,105
2026 projection
4.7% 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
2,105
2026 projection
4.7% 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 | 2,105 | -14 | 0.66% |
|---|---|---|---|
| 2025 | 2,119 | -29 | 1.35% |
| 2024 | 2,148 | -10 | 0.46% |
| 2023 | 2,158 | +9 | 0.42% |
| 2022 | 2,149 | -29 | 1.33% |
| 2021 | 2,178 | -31 | 1.40% |
| 2020 | 2,209 | +7 | 0.32% |
| 2019 | 2,202 | +1 | 0.05% |
| 2018 | 2,201 | +26 | 1.20% |
| 2017 | 2,175 | +1 | 0.05% |
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.
Lyons has a population change lower than Boulder 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 18 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 8 residents
56% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 56% | 63% | 50% |
| Never married | 25% | 28% | 23% |
| Divorced | 11% | 8% | 14% |
| Widowed | 5% | 0% | 10% |
| Separated | 2% | 2% | 3% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources