Alamosa is a city in Alamosa County, Colorado, home to about 9,879 people across 7.6 square miles. Its ZIP code is 81101.
Homes sold for a median of $183 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Alamosa; also Alamosa East
Each card is that ZIP code’s whole market, including any part outside Alamosa. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Alamosa’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | City of Colorado Springs Municipal Airport (COS)112 miles away |
|---|---|
| Closer regional airport | San Luis Valley Regional Airport/Bergman Field (ALS)3 miles away |
| Nearest city of 250,000+ | Colorado Springs, CO114 miles away |
| Nearest city of 1 million+ | Phoenix, AZ441 miles away |
Straight-line distances from the center of Alamosa; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Alamosa had 9,806 residents in the 2020 census, up 23% since 2000.
It’s the 72nd largest of 472 towns in Colorado by population.
Alamosa County grew from 5,148 residents in 1920 to 16,376 in 2020.
Alamosa County, 1920–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 83°F in summer, and winter lows average 0°F. About 7.4 inches of rain and melted snow fall in a typical year, with about 30 inches of snow.
Source: NOAA 1991–2020 climate normals, Alamosa 1e, CO weather station (about a mile away).
5,956 jobs at 486 businesses in Alamosa County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
411 doctors and other health care providers list an office in Alamosa.
Nearest hospitals
Providers with an office here
| Primary care doctors | 29 |
|---|---|
| Specialist doctors | 28 |
| Dentists | 23 |
| Nurse practitioners and physician assistants | 44 |
| Mental health providers | 258 |
| Physical and occupational therapists | 21 |
| Optometrists | 4 |
| Chiropractors | 4 |
| Pharmacies | 10 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (16 nearby)
Grocery stores (4 nearby)
Pharmacies (1 nearby)
Libraries (2 nearby)
Museums (1 nearby)
Theaters and performance venues (1 nearby)
Counts are within about 2 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1878.
Colleges and universities
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Alamosa School District No. Re-11J. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Alamosa Elementary School K-2Alamosa | K–2 | 437 | Public | 0.6 mi |
| Alamosa Elementary School 3-5Alamosa | 3–5 | 473 | Public | 0.6 mi |
| Alamosa Alternative Education SchoolAlamosa | 6–12 | 60 | Alternative Education | 0.6 mi |
| Alamosa OnlineAlamosa | 6–12 | 29 | Public | 0.6 mi |
| Ortega Middle SchoolAlamosa | 6–8 | 471 | Public | 0.6 mi |
| Alamosa High SchoolAlamosa | 9–12 | 568 | Public | 1.3 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Trinity Lutheran SchoolAlamosa | Pre-K–2 | 23 | Lutheran Church–Missouri Synod | 0.4 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Alamosa East.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.