Alamosa, Colorado Population 2020

10,221

Alamosa is a city located in Colorado. With a 2020 population of 10,221, it is the 48th largest city in Colorado and the 3056th largest city in the United States. Alamosa is currently growing at a rate of 1.11% annually and its population has increased by 16.41% since the most recent census, which recorded a population of 8,780 in 2010. Spanning over 8 miles, Alamosa has a population density of 1,358 people per square mile.

The average household income in Alamosa is $50,320 with a poverty rate of 30.66%. The median rental costs in recent years comes to $639 per month, and the median house value is $161,700. The median age in Alamosa is 27.9 years, 26.8 years for males, and 30.1 years for females. For every 100 females there are 94.4 males.

Alamosa Demographics

According to the most recent ACS, the racial composition of Alamosa was:

  • White: 84.65%
  • Native American: 3.89%
  • Two or more races: 3.78%
  • Other race: 3.72%
  • Black or African American: 1.77%
  • Asian: 1.52%
  • Native Hawaiian or Pacific Islander: 0.66%
The current population of Alamosa, Colorado is 10,221, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 9,997.The last official US Census in 2010 recorded the population at 8,780.

Alamosa, Colorado Population 2020

Population by Race

Race Population Percentage
White8,27984.65%
American Indian and Alaska Native3803.89%
Two or More Races3703.78%
Some Other Race3643.72%
Black or African American1731.77%
Asian1491.52%
Native Hawaiian and Other Pacific Islander650.66%

Alamosa Population Pyramid 2020

Alamosa Median Age

27.9


Total

26.8


Male

30.1


Female

Alamosa Adults

There are 7,641 adults, (1,027 of whom are seniors) in Alamosa.

Alamosa Age Dependency

47.9

Age Dependency Ratio

15.5

Old Age Dependency Ratio

32.3

Child Dependency Ratio

Alamosa Sex Ratio

Female

5,032

51.45%

Male

4,748

48.55%

Alamosa Households and Families

Alamosa Renter vs Owner Occupied by Household Type

Alamosa Household Types

Type Owner Renter
Married67.1%32.9%
Female58.6%41.4%
All42.4%57.6%
Male25.9%74.1%
Non Family24.7%75.3%

42.4%

Rate of Home Ownership

Type Count Average Size Owned
All3,8592.342.4
Non Family2,0321.3524.7
Married1,3603.467.1
Female3093.3558.6
Male1583.0425.9

3.27

Average Family Size

2.3

Average Household Size

7.9%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

Alamosa Education

Education Attained Count Percentage
Less Than 9th Grade4758.91%
9th to 12th Grade3125.85%
High School Graduate1,46027.37%
Some College1,28224.03%
Associates Degree4247.95%
Bachelors Degree77414.51%
Graduate Degree60711.38%

Alamosa Educational Attainment by Race

Name Total High School Bachelors
Hispanic2,5841,902339
White2,3832,284922
Multiple Races31331377
Other Race28122518
Native American15914711
Islander6565
Asian565634
Black352925

The highest rate of high school graduation is among asian people with a rate of 100.00%.

The highest rate of bachelors degrees is among black people with a rate of 71.43%.

Name Average Male Female
Overall$30,840$30,598$31,369
Less Than High School$18,164$$
High School Grad$25,509$27,621$25,250
Some College$30,303$31,868$25,833
Bachelors Degree$33,996$34,076$33,953
Graduate Degree$67,910$72,941$56,875

$30,840

Average Earnings

$30,598

Average Male

$31,369

Average Female

Alamosa Language

Alamosa Language by Age

Alamosa Language

66.69% of Alamosa residents speak only English, while 33.31% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 26.91% of the population.

Alamosa Poverty

Alamosa Poverty by Race

Name Total In Poverty Poverty Rate
Hispanic4,6421,78838.52%
White3,60981322.53%
Other32920060.79%
Multiple3606217.22%
Black1416243.97%
Native3733810.19%
Asian993232.32%

30.66%

Overall Poverty Rate

26.86%

Male Poverty Rate

34.10%

Female Poverty Rate

Poverty in Alamosa

The race most likely to be in poverty in Alamosa is Other, with 60.79% below the poverty level.

The race least likely to be in poverty in Alamosa is Native, with 10.19% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 6.73%. Among those working part-time, it was 35.14%, and for those that did not work, the poverty rate was 50.72%.

Name Poverty
Less Than High School39.42%
High School36.22%
Some College30.96%
Bachelors or Greater8.50%
Name Poverty
Male Unemployed43.19%
Female Unemployed37.38%
Female Employed17.95%
Male Employed16.14%

Alamosa Income

Alamosa Income by Household Type

Name Median Mean
Households$34,840$50,320
Families$48,843$70,825
Married Families$51,786-
Non Families$25,000$30,596

Alamosa Marital Status

Alamosa Marital Status

Marriage Rates

34.6%

Overall Marriage Rate

33.8%

Male Marriage Rate

35.4%

Female Marriage Rate

Alamosa Married by Age and Sex

Alamosa Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Alamosa Marital Status by Race

Alamosa Veterans

422

Number of Veterans

407

Male Veterans

15

Female Veterans

War Veterans
Vietnam132
First Gulf War117
Second Gulf War100
World War II12
Korea8
Name Veterans % of Total
White3695.72%
Hispanic721.99%
Indian2610.04%
Other196.53%
Asian86.90%

$Alamosa Veterans by Education

13.58%

Veteran Poverty Rate

36.05%

Veteran Disability Rate

Alamosa Employment Status

60%

Labor Force Participation

52.9%

Employment Rate

11.8%

Unemployment Rate

Alamosa Place of Birth

Origin of Non-Citizens

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

57.09%

Born in Colorado

90.83%

Native Born

9.17%

Foreign Born

6.22%

Non Citizen

Place of Birth

90.83% of Alamosa residents were born in the United States, with 57.09% having been born in Colorado. 6.22% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Year Population Growth Annual Growth Rate
202010,2211121.11%
201910,1091121.12%
20189,9971161.17%
20179,8811121.15%
20169,769870.90%
20159,6821201.25%
20149,562510.54%
20139,511770.82%
20129,43490.10%
20119,4251111.19%
20109,3141,3541.58%
20007,9603810.49%
19907,5797491.05%
19806,830-155-0.22%
19706,9857801.19%
19606,2058511.49%
19505,354-259-0.47%
19405,6135060.95%
19305,1071,9364.88%
19203,1711580.51%
19103,0130.00%