Town in Costilla County, Colorado · 0.6 sq mi · 1,066 people per sq mi
About 600 people live in San Luis. The typical household earns $26,708, and the median resident is 43.9 years old.
2026 projection
From 600 in 2020
Poverty rate 21.56%
Men 49.1 · Women 43.7
2010–2026
604
2026 projection
0.7% since 2020 (increase)
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
604
2026 projection
0.7% since 2020 (increase)
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 | 604 | +7 | 1.17% |
|---|---|---|---|
| 2025 | 597 | -31 | 4.94% |
| 2024 | 628 | +9 | 1.45% |
| 2023 | 619 | +3 | 0.49% |
| 2022 | 616 | -2 | 0.32% |
| 2021 | 618 | +18 | 3.00% |
| 2020 | 600 | -99 | 14.16% |
| 2019 | 699 | +6 | 0.87% |
| 2018 | 693 | +6 | 0.87% |
| 2017 | 687 | +14 | 2.08% |
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 5 residents
46% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 46% | 60% | 33% |
| Never married | 31% | 35% | 28% |
| Divorced | 7% | 3% | 12% |
| Widowed | 4% | 0% | 9% |
| Separated | 11% | 2% | 19% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau