Rio Grande County, Colorado
Rio Grande County: county in Colorado, United States
About
Rio Grande County is a county located in the U.S. state of Colorado. As of the 2010 census, the population was 11,982 and a population density of 5 people per km². After 10 years in 2020 county had an estimated population of 11,296 inhabitants. Its county seat is Del Norte. The county was created 152 years ago in 1873.
County Snapshot
Rio Grande County at a glance
Rio Grande County currently has 3 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
3
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
Colorado counties
64
Open related pagesLargest city
Monte VistaPopulation 4,067
Top linked places
Quick Facts about Rio Grande County
| Population | 11,296 (2020) |
| Country | United States of America |
| State | Colorado (United States) |
| Different from | Río Grande |
| Area | 2362 km2 |
| Water as percent of area | 0.04% |
| Land as percent of area | 99.96% |
| Latitude & Longitude | 37.5825,-106.3832 |
| Named for | Rio Grande |
| Altitude | 10,262 feet / 3128 meters |
| Capital | Del Norte |
| Establishment | January 01, 1874 |
| Time Zone | America/Denver |
| Local time | 22:32:15 (18th April 2026) |
| Density | 5 Pop. per km² as of 2020 |
| Population growth | -6.07% (2010-2020) |
Geography
Rio Grande County is located at 37°34'57"N 106°22'60"W (37.5825200, -106.3832100). It has 5 neighbors: Archuleta County, Conejos County, Mineral County, Saguache County and Alamosa County.
Rio Grande County map
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The largest city of Rio Grande County is Monte Vista with a population of 4,067. Other cities include, Del Norte population 1,541 and South Fork population 425. See all Rio Grande County cities & populated places.
Rio Grande County Populated Places
Cities, towns, neighborhoods & other populated places in Rio Grande County.
| City Name | Population | Title |
|---|---|---|
| Monte Vista | 4,067 | Home rule municipality in Colorado |
| Del Norte | 1,541 | City in Rio Grande County, Colorado, United States of America |
| South Fork | 425 | Town of the United States |
Official website of Rio Grande County
Official WebsiteDemographics
According to census records, the population of Rio Grande County decreased by 6.07% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 11,982 | - | census |
| 2011 | 11,913 | -0.58% | estimation process |
| 2012 | 11,866 | -0.4% | estimation process |
| 2013 | 11,676 | -1.63% | estimation process |
| 2014 | 11,504 | -1.5% | estimation process |
| 2015 | 11,352 | -1.34% | estimation process |
| 2016 | 11,337 | -0.13% | estimation process |
| 2017 | 11,297 | -0.35% | estimation process |
| 2018 | 11,271 | -0.23% | estimation process |
| 2019 | 11,267 | -0.04% | estimation process |
| 2020 | 11,296 | 0.26% | estimation process |
Colorado Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Denver | 735,538 | The twentieth most populous city in the United States and the center of the Denver metropolitan area. |
| Denver County | 735,538 | County in Colorado, United States, coterminous with the City of Denver |
| El Paso County | 728,310 | One of the 64 counties in the U. |
| Arapahoe County | 657,452 | County in Colorado, United States |
| Jefferson County | 583,283 | County in Colorado, United States |
| Adams County | 519,883 | County in Colorado, United States |
| Colorado Springs | 482,131 | The second most populous city in Colorado and the center of the Colorado Springs metropolitan area. |
| Aurora | 387,377 | The third most populous city in Colorado and the center of the Denver metropolitan area. |
| Douglas County | 360,750 | County in Colorado, United States |
| Larimer County | 360,428 | County in Colorado, United States |
| Weld County | 333,983 | County in Colorado, United States |
| Boulder County | 327,171 | County in Colorado, United States |
| Pueblo County | 169,823 | County in Colorado, United States |
| Fort Collins | 168,234 | The fifth most populous city in Colorado. |
| Lakewood | 157,429 | The fifth most populous city in Colorado. |
| Mesa County | 155,603 | County in Colorado, United States |