Each edition grades its towns against each other only.
San Luis’ average trip to work is 13 minutes, below both the Colorado town median (25 minutes) and the median of U.S. towns (25 minutes). No town among the 160 in Colorado we compare has a lower share of adults with a bachelor’s degree than San Luis. Its National Register listings include San Luis Bridge and A.A. Salazar House. San Luis has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
Where San Luis beats most towns.
Census counts: 781 in 1970, 598 in 2020. The archive holds 22 old photos and papers going back to 1906 and 2 maps from 1967 on.
5 places on the National Register of Historic Places.
Who provides power, water and the rest in San Luis, and how to reach them.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.
Ordered by what stands out in San Luis.
The typical San Luis home is worth about $134,000, down 9.2% in a year, 75% below the Colorado typical home. 57% of households own their home in San Luis, against 71% in Colorado’s towns and 73% across U.S. towns.
Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center
Its public schools are run by the Centennial School District No. R-1. Its one school is below.
| School | Level | Students | Letter |
|---|---|---|---|
| Centennial SchoolLargest public high schoolGrades PK–12 | Grades PK–12 | 186 | D− |
NCES · EDFacts
San Luis has cold winters and pleasant summers, with very little rain. San Luis’ July high is 81°F.
NOAA U.S. Climate Normals, 1991–2020
The median household income in San Luis is $27,000. Jobs based in San Luis fell to 211 in 2023, 128 fewer than in 2013. 22% of San Luis residents live below the poverty line.
| San Luis | Colorado towns | U.S. towns | |
|---|---|---|---|
| Median household income | $27,000 | $95,000 | $80,000 |
| Below the poverty line | 22% | 8.4% | 9.6% |
| Working residents who work in town | 22% | 7.7% | 8% |
Census LEHD 2023 · ACS
29% of adults say their health is fair or poor in San Luis. Only 2 of the 160 Colorado towns we compare have a higher share of adults who report frequent physical distress than San Luis. 15% of adults report frequent mental distress in San Luis.
| San Luis | Colorado towns | U.S. towns | |
|---|---|---|---|
| Fair or poor health (CDC PLACES) | 29% | 15% | 19% |
| Diabetes (CDC PLACES) | 18% | 8.4% | 12% |
| No health insurance, 18–64 (CDC PLACES) | 24% | 10% | 8.1% |
| Binge drink (CDC PLACES) | 13% | 18% | 16% |
| What stands out | San Luis | CO |
|---|---|---|
| Fewer binge drinkers | 12.7% | 19% |
| Fewer adults with depression | 17.7% | 22.7% |
| More uninsured adults | 24.2% | 11.1% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Expected storm and flood damage is lower than in 53% of U.S. communities.
FEMA National Risk Index · OpenFEMA
None within 15 miles of San Luis; the nearest are
About 6 of every 100 San Luis residents are enrolled in college, about the same as Colorado.
In a town this size, neighbors are the best guide. Ask them anything.
5 places in San Luis on the National Register of Historic Places.
Town in Colorado, United States
San Luis is a statutory town that is the county seat of and the most populous town in Costilla County, Colorado, United States. Formerly known as San Luis de la Culebra, it is the oldest continuously occupied town in Colorado. The population was 598 at the 2020 census.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
San Luis has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
