Rio Grande County, Colorado

Rio Grande County, Colorado, has 11,087 residents (July 2025 estimate). Its county seat is Del Norte. It uses Mountain Time and covers 912 sq mi (2,362 km²) of land.

DenverColorado SpringsAurora
Rio Grande County in Colorado
Monte VistaCenterDel NorteSouth Fork
Rio Grande County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
11,087
Land area
912 sq mi (2,362 km²)
County seat or government
Del Norte
Time zone
Mountain TimeUTC-07:00 in January; UTC-06:00 in July
Median household income
$64,411 ± $8,434
Median home value
$239,500 ± $11,591
Median rent, with utilities
$945 ± $141
Homes lived in by their owners
67.1% ± 3.8 points
County type
County
Metro or micro area
Outside any metro or micro areaNext to: Alamosa, CO micro area
Water area
0.38 sq mi (0.98 km²)
State
Colorado
County code (FIPS)
08105
Coordinates (central point)
37.485853, -106.453128

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Rio Grande County

Time zoneLocal time and UTC offsetNext clock change
Mountain TimeAmerica/DenverUTC-07:00 in January; UTC-06:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 811446,543 people
  2. 811253,362 people
  3. 811323,252 people
  4. 811541,363 people

4 ZIP Code areas overlap Rio Grande County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

School districts in Rio Grande County, largest first

  1. Monte Vista School District C-85,809 people
  2. Upper Rio Grande School District C-74,352 people
  3. Center School District 26-JT2,957 people
  4. Sargent School District RE-33J1,111 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Monte Vista, Colorado (city)4,141 people
  2. Center, Colorado (town)2,120 people
  3. Del Norte, Colorado (town)1,653 people
  4. South Fork, Colorado (town)724 people
  5. Gerrard, Colorado (CDP)332 people
  6. Alpine, Colorado (CDP)75 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Conejos County, Colorado24 mi southeast
  2. Mineral County, Colorado30 mi west
  3. Alamosa County, Colorado37 mi east
  4. Archuleta County, Colorado38 mi southwest
  5. Saguache County, Colorado40 mi north

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.