Bonanza is a town in Saguache County, Colorado, home to about 20 people across 0.4 square miles. It has no ZIP code of its own: it’s part of 81155.
Homes sold for a median of $228 per square foot in the three months ending August 2026, a buyer’s market.
Each card is that ZIP code’s whole market, including any part outside Bonanza. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Bonanza’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Bonanza well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | City of Colorado Springs Municipal Airport (COS)84 miles away |
|---|---|
| Closer regional airport | Gunnison Crested Butte Regional Airport (GUC)48 miles away |
| Nearest city of 250,000+ | Colorado Springs, CO83 miles away |
| Nearest city of 1 million+ | Phoenix, AZ467 miles away |
Straight-line distances from the center of Bonanza; 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.
Bonanza had 17 residents in the 2020 census, up 21% since 2000.
It’s the 464th largest of 472 towns in Colorado by population.
Saguache County grew from 3,853 residents in 1900 to 6,368 in 2020.
Saguache County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 80°F in summer, and winter lows average 7°F. About 8.5 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Saguache, CO weather station (15 miles away).
791 jobs at 130 businesses in Saguache County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Buying or selling around Bonanza? Tell us what you need and when. No agents advertise here yet, so we’ll keep your request for up to 30 days and send it to local agents who join. No obligation, and you choose who to work with.
Loading map…
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.