Alamosa, Colorado facts for kids

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Alamosa, Colorado
Home Rule Municipality
Entering from the east
Entering from the east
Nickname(s): Hub of the San Luis Valley
Motto: "Gateway to the Great Sand Dunes"
Location within Alamosa County and Colorado
Location within Alamosa County and Colorado
Country United States
State Colorado
County Alamosa Countyseat
Established May 1878
Incorporated August 12, 1878
Named for The cottonwood trees along the Rio Grande
Area
 • Total 5.5 sq mi (14.3 km2)
 • Land 5.4 sq mi (14.0 km2)
 • Water 0.1 sq mi (0.3 km2)
Elevation 7,543 ft (2,299 m)
Population (2010)
 • Total 8,780
 • Density 1,590/sq mi (614.0/km2)
 • Demonym Alamosan
Time zone MST (UTC-7)
 • Summer (DST) MDT (UTC-6)
ZIP code 81101, 81102
Area code(s) 719
INCITS place code 0801090
GNIS ID 0203624
Highways

US 160.svg US 160
US 285.svg US 285

Colorado 17.svg SH 17
Website cityofalamosa.org

Alamosa is a city under Home Rule Municipality that is the county seat and the most populous municipality of Alamosa County, Colorado, United States. The city population was 8,780 at the 2010 United States Census. The city is the commercial center of the San Luis Valley in south-central Colorado, and is the home of Adams State University.

History

Alamosa was established in May 1878 by the Denver and Rio Grande Railroad and quickly became an important rail center. The railroad had an extensive construction, repair and shipping facility in Alamosa for many years and headquartered its remaining narrow gauge service here with trackage reaching many points throughout southwest Colorado and northern New Mexico. Alamosa is now a notable tourist town with many nearby attractions, including the Great Sand Dunes National Park and Preserve and Colorado Gators Reptile Park. The town hosts "Summer Fest on the Rio" which occurs the first weekend in June, the Early Iron car show over the Labor Day weekend, and "Weekends on the Rio" on various Sundays throughout the summer The city takes its name from the Spanish adjective Alamosa, meaning "of cottonwood", for the cottonwood forests which grow along the Rio Grande and throughout town.

Geography

Alamosa is located at 37°28′N 105°52′W / 37.467°N 105.867°W / 37.467; -105.867 (37.469, −105.874), at the junction of U.S. Routes 160 and 285. According to the United States Census Bureau, the city has a total area of 5.5 square miles (14.3 km2), of which 5.4 square miles (14.0 km2) is land and 0.12 square miles (0.3 km2), or 2.26%, is water.

Alamosa is located along the Rio Grande in the San Luis Valley, in the highest general agricultural land in the United States. The San Luis Valley is the largest intermountain valley in the world, of town in the Sangre de Cristo Range.

Climate

Alamosa features a cold desert climate (Köppen BWk) with long, cold winters and warm summers, and dry weather year-round. Normals range from a low of −4 °F (−20 °C) in January to a high of 82 °F (28 °C) in July. Annual precipitation is only 7.25 inches (184 mm), with summer being the wettest. The aridity depresses mean snowfall to around 32 inches (81 cm), and the median to only 22.3 inches (57 cm).

The altitude and dryness of the air cause day-night temperature differences to be severe year-round. Alamosa’s geography and nighttime temperatures account for it being listed as the coldest city in the contiguous United States, with a record average of 227 nights per year with a minimum temperature of 32 °F (0 °C) or less, and 48.7 nights with minima below 0 °F (−17.8 °C).

Climate data for Alamosa, Colorado
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 62
(16.7)
66
(18.9)
73
(22.8)
80
(26.7)
90
(32.2)
95
(35)
96
(35.6)
91
(32.8)
87
(30.6)
81
(27.2)
71
(21.7)
61
(16.1)
96
(35.6)
Average high °F (°C) 33.1
(0.61)
40.2
(4.56)
49.6
(9.78)
58.7
(14.83)
68.3
(20.17)
78.4
(25.78)
81.7
(27.61)
78.9
(26.06)
72.5
(22.5)
61.7
(16.5)
45.7
(7.61)
34.8
(1.56)
58.6
(14.78)
Average low °F (°C) −3.7
(-19.83)
4.7
(-15.17)
15.8
(-9)
22.8
(-5.11)
32.4
(0.22)
40.4
(4.67)
46.4
(8)
45.2
(7.33)
36.5
(2.5)
23.9
(-4.5)
11.1
(-11.61)
−0.7
(-18.17)
22.9
(-5.06)
Record low °F (°C) −50
(-45.6)
−35
(-37.2)
−20
(-28.9)
−6
(-21.1)
11
(-11.7)
23
(-5)
30
(-1.1)
29
(-1.7)
15
(-9.4)
−9
(-22.8)
−30
(-34.4)
−42
(-41.1)
−50
(-45.6)
Precipitation inches (mm) .25
(6.4)
.21
(5.3)
.46
(11.7)
.54
(13.7)
.70
(18)
.59
(15)
.94
(23.9)
1.19
(30.2)
.89
(22.6)
.67
(17)
.48
(12.2)
.33
(8.4)
7.25
(184.2)
Snowfall inches (cm) 4.6
(11.7)
2.7
(6.9)
5.9
(15)
3.7
(9.4)
2.1
(5.3)
0
(0)
0
(0)
0
(0)
0
(0)
3.0
(7.6)
4.7
(11.9)
5.1
(13)
31.8
(80.8)
Avg. precipitation days (≥ 0.01 in) 3.8 3.8 5.4 5.1 6.1 5.4 8.5 10.1 6.4 4.8 4.4 4.0 67.8
Avg. snowy days (≥ 0.1 in) 4.1 3.6 4.9 2.7 1.3 0 0 0 0 1.3 3.6 4.3 25.8
Source: The Weather Channel (extremes), NOAA (normals, 1971–2000)

Demographics

Historical population
Census Pop.
1880 802
1890 973 21.3%
1900 1,141 17.3%
1910 3,013 164.1%
1920 3,171 5.2%
1930 5,107 61.1%
1940 5,613 9.9%
1950 5,354 −4.6%
1960 6,205 15.9%
1970 6,985 12.6%
1980 6,830 −2.2%
1990 7,579 11.0%
2000 7,960 5.0%
2010 8,780 10.3%
Est. 2015 9,819 11.8%
U.S. Decennial Census

As of the census of 2000, there were 7,960 people, 2,974 households, and 1,769 families residing in the city. The population density was 1,995.0 people per square mile (770.3/km²). There were 3,215 housing units at an average density of 805.8 per square mile (311.1/km²). The racial makeup of the city was 68.53% White, 1.41% Black or African American, 2.20% Native American, 0.95% Asian, 0.26% Pacific Islander, 22.36% from other races, and 4.28% from two or more races. 46.80% of the population were Hispanic or Latino of any race.

There were 2,974 households out of which 32.0% had children under the age of 18 living with them, 40.5% were married couples living together, 14.6% had a female householder with no husband present, and 40.5% were non-families. 33.7% of all households were made up of individuals and 11.0% had someone living alone who was 65 years of age or older. The average household size was 2.36 and the average family size was 3.04.

In the city, the population was spread out with 24.4% under the age of 18, 21.8% from 18 to 24, 24.8% from 25 to 44, 18.1% from 45 to 64, and 10.9% who were 65 years of age or older. The median age was 28 years. For every 100 females there were 91.4 males. For every 100 females age 18 and over, there were 89.1 males.

The median income for a household in the city was $25,453, and the median income for a family was $33,017. Males had a median income of $27,100 versus $22,671 for females. The per capita income for the city was $15,405. About 18.1% of families and 25.0% of the population were below the poverty line, including 30.4% of those under age 18 and 17.0% of those age 65 or over.

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