Alamosa County
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Alamosa County Courthouse
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Location within the U.S. state of Colorado
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Colorado's location within the U.S.
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| Coordinates: 37°34′N 105°47′W / 37.57°N 105.78°W / 37.57; -105.78 | |
| Country |  United States |
| State |  Colorado |
| Founded | March 8, 1913 |
| Named for | Spanish language word for a groveofcottonwood trees |
| Seat | Alamosa |
| Largest city | Alamosa |
| Area | |
| • Total | 723 sq mi (1,870 km2) |
| • Land | 723 sq mi (1,870 km2) |
| • Water | 0.7 sq mi (2 km2) 0.1% |
| Population
(2020)
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| • Total | 16,376[1] |
| • Density | 23/sq mi (9/km2) |
| Time zone | UTC−7 (Mountain) |
| • Summer (DST) | UTC−6 (MDT) |
| Congressional district | 3rd |
| Website | alamosacounty |
Alamosa County is a county located in the U.S. stateofColorado. As of the 2020 census, the population was 16,376.[1] The county seatisAlamosa.[2] The county name is the Spanish language word for a groveofcottonwood trees.
Alamosa County was created by the Colorado legislature on March 8, 1913, out of northwestern Costilla County.
According to the U.S. Census Bureau, the county has a total area of 723 square miles (1,870 km2), of which 723 square miles (1,870 km2) is land and 0.7 square miles (1.8 km2) (0.1%) is water.[3]
U.S. Highway 160
U.S. Highway 285
State Highway 17
State Highway 150
State Highway 368
State Highway 370
State Highway 371Alamosa is served by San Luis Valley Regional Airport. The only commercial service is to Denver.
| Census | Pop. | Note | %± |
|---|---|---|---|
| 1920 | 5,148 | — | |
| 1930 | 8,602 | 67.1% | |
| 1940 | 10,484 | 21.9% | |
| 1950 | 10,531 | 0.4% | |
| 1960 | 10,000 | −5.0% | |
| 1970 | 11,422 | 14.2% | |
| 1980 | 11,799 | 3.3% | |
| 1990 | 13,617 | 15.4% | |
| 2000 | 14,966 | 9.9% | |
| 2010 | 15,445 | 3.2% | |
| 2020 | 16,376 | 6.0% | |
| 2023 (est.) | 16,655 | [4] | 1.7% |
| U.S. Decennial Census[5] 1790-1960[6] 1900-1990[7] 1990-2000[8] 2010-2020[1] | |||
At the 2000 census there were 14,966 people, 5,467 households, and 3,651 families living in the county. The population density was 21 people per square mile (8.1 people/km2). There were 6,088 housing units at an average density of 8 per square mile (3.1/km2). The racial makeup of the county was 71.19% White, 0.97% Black or African American, 2.34% Native American, 0.82% Asian, 0.19% Pacific Islander, 20.34% from other races, and 4.16% from two or more races. 41.41% of the population were Hispanic or Latino of any race.[9] Of the 5,467 households 35.30% had children under the age of 18 living with them, 50.50% were married couples living together, 11.70% had a female householder with no husband present, and 33.20% were non-families. 27.30% of households were one person and 8.70% were one person aged 65 or older. The average household size was 2.56 and the average family size was 3.14.
The age distribution was 27.20% under the age of 18, 15.90% from 18 to 24, 26.70% from 25 to 44, 20.60% from 45 to 64, and 9.60% 65 or older. The median age was 31 years. For every 100 females there were 99.00 males. For every 100 females age 18 and over, there were 95.30 males.
The median household income was $29,447 and the median family income was $38,389. Males had a median income of $27,733 versus $22,806 for females. The per capita income for the county was $15,037. About 15.60% of families and 21.30% of the population were below the poverty line, including 27.40% of those under age 18 and 13.90% of those age 65 or over.
In 2000, the largest denominational groups were Catholics (with 5,716 members) and Evangelical Protestants (with 1,755 members).[10] The largest religious bodies were the Catholic Church (with 5,716 adherents) and the Church of Jesus Christ of Latter-day Saints (with 1,155 adherents).[10]
| Year | Republican | Democratic | Third party | |||
|---|---|---|---|---|---|---|
| No. | % | No. | % | No. | % | |
| 2020 | 3,813 | 48.83% | 3,759 | 48.14% | 236 | 3.02% |
| 2016 | 3,046 | 43.90% | 3,189 | 45.96% | 704 | 10.15% |
| 2012 | 2,705 | 40.28% | 3,811 | 56.75% | 199 | 2.96% |
| 2008 | 2,635 | 41.92% | 3,521 | 56.01% | 130 | 2.07% |
| 2004 | 3,179 | 50.63% | 3,017 | 48.05% | 83 | 1.32% |
| 2000 | 2,857 | 50.49% | 2,455 | 43.38% | 347 | 6.13% |
| 1996 | 2,038 | 41.23% | 2,330 | 47.14% | 575 | 11.63% |
| 1992 | 1,572 | 34.05% | 1,928 | 41.76% | 1,117 | 24.19% |
| 1988 | 2,567 | 53.70% | 2,146 | 44.90% | 67 | 1.40% |
| 1984 | 2,953 | 62.68% | 1,720 | 36.51% | 38 | 0.81% |
| 1980 | 2,601 | 53.87% | 1,821 | 37.72% | 406 | 8.41% |
| 1976 | 2,599 | 53.51% | 2,052 | 42.25% | 206 | 4.24% |
| 1972 | 2,916 | 62.51% | 1,540 | 33.01% | 209 | 4.48% |
| 1968 | 2,277 | 55.00% | 1,574 | 38.02% | 289 | 6.98% |
| 1964 | 1,488 | 37.42% | 2,481 | 62.40% | 7 | 0.18% |
| 1960 | 2,271 | 55.58% | 1,811 | 44.32% | 4 | 0.10% |
| 1956 | 2,442 | 62.33% | 1,465 | 37.39% | 11 | 0.28% |
| 1952 | 2,728 | 62.13% | 1,626 | 37.03% | 37 | 0.84% |
| 1948 | 1,950 | 44.58% | 2,395 | 54.76% | 29 | 0.66% |
| 1944 | 1,933 | 51.56% | 1,806 | 48.17% | 10 | 0.27% |
| 1940 | 2,243 | 47.39% | 2,467 | 52.12% | 23 | 0.49% |
| 1936 | 1,188 | 29.71% | 2,754 | 68.87% | 57 | 1.43% |
| 1932 | 1,306 | 36.96% | 2,141 | 60.58% | 87 | 2.46% |
| 1928 | 1,759 | 58.23% | 1,239 | 41.01% | 23 | 0.76% |
| 1924 | 1,009 | 40.59% | 625 | 25.14% | 852 | 34.27% |
| 1920 | 1,081 | 51.87% | 949 | 45.54% | 54 | 2.59% |
| 1916 | 488 | 26.15% | 1,308 | 70.10% | 70 | 3.75% |
Alamosa County is a competitive swing county, voting for the winning presidential candidate in every election since its formation except 1944, 1960, 1976, 2016, and 2020.
| Alamosa County Sheriff's Office | |
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| Agency overview | |
| Preceding agency |
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| Employees | 39 |
| Jurisdictional structure | |
| Operations jurisdiction | Alamosa County, Colorado, U.S. |
| Population | 16376 |
| General nature | |
| Operational structure | |
| Headquarters | 1315 17th Street Alamosa, Colorado 81101 |
| Sworn members | 18 |
| Unsworn members | 21 |
| Agency executive |
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| Website | |
| http://alamosacounty.colorado.gov/departments/sheriff | |
The Alamosa County Sheriff's Office is a county law enforcement agency in Alamosa County, Colorado, United States.[12] It consists of 18 sworn law enforcement officers and 21 civilian support personnel.[13]
| Title | Insignia |
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| Sheriff |  |
| Undersheriff |  |
| Sergeant |  |
| Corporal |  |
| Deputy |
Alamosa County has used the following county codes on Colorado license plates issued to passenger vehicles in the county: XE-XG and EAA-ABD.[14]
Places adjacent to Alamosa County, Colorado
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Municipalities and communities of Alamosa County, Colorado, United States
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| Footnotes | ‡This populated place also has portions in an adjacent county or counties | |
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37°34′N 105°47′W / 37.57°N 105.78°W / 37.57; -105.78
