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COUNTY

Alamosa County

Colorado · 16,688 residents (2025 est.) · 723 sq mi
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Part of the Alamosa micropolitan area
The short version

Alamosa County is home to 16,581 people in Colorado. This skews young, with a median age of 33.2. That trails the Colorado median by roughly 42%. Density works out to 23 people per square mile. Getting to work takes 16 minutes on average. The foreign-born share is 5%.

At a glance
Lower income
below the US median
US median: $82,259
Younger
median age 33.2
US median: 38.9
Average education
32% hold a bachelor's degree
US average: 36%
Less affordable
home values up 55%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
16,581
+11%since 2000
from 14,966 in 2000
16,688 in 2025 (Census Bureau estimate)
1990 – 2025
Population density
23 / sq mi
+8%since 2009
from 21 / sq mi in 2009
US average: 281
Median age
33.2
+8%since 2000
from 30.6 in 2000
US average: 38.9
Land area
723 sq mi
Population, 1990 – 2024
13K14K15K16K17K19902000201020202024Alamosa County
202417K
1990201020202024
Age distribution, 2024
Under 55.8%(958)
US avg: 5.6%
5 to 96.9%(1,145)
US avg: 6%
10 to 146.8%(1,124)
US avg: 6.4%
15 to 1910.2%(1,697)
US avg: 6.6%
20 to 248.7%(1,448)
US avg: 6.5%
25 to 3414.4%(2,394)
US avg: 13.7%
35 to 4413.6%(2,248)
US avg: 13.2%
45 to 547.9%(1,310)
US avg: 12.2%
55 to 6410.6%(1,750)
US avg: 12.7%
65 to 749%(1,486)
US avg: 10.2%
75 to 843.5%(581)
US avg: 5.1%
85 and over2.7%(440)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$55,397
+3%inflation adjusted, since 2000
from $29,447 in 2000
US average: $82,259
1990 – 2024
Per capita income
$29,946
+99%since 2000
from $15,037 in 2000
US average: $44,673
Households earning $100K+
34.6%
+16.5 ptssince 2009
from 18.1% in 2009
US average: 53.3%
Poverty rate
17.2%
−4.1 ptssince 2000
from 21.3% in 2000
US average: 12.5%
Income inequality (Gini)
0.459
−3%since 2010
from 0.474 in 2010
US average: 0.476
Workforce by industry, 2024
Information11.4%
US avg: 10.8%
Agriculture, forestry, fishing7%
US avg: 1.6%
Construction6.4%
US avg: 1.2%
Other services5.5%
US avg: 6.7%
Wholesale trade5.4%
US avg: 6.9%
Finance & insurance5.3%
US avg: 5.9%
Professional, scientific, technical4.8%
US avg: 5.1%
Public administration4.6%
US avg: 4.8%
Retail trade2.2%
US avg: 9.9%
Manufacturing0.7%
US avg: 0.4%
Education & health services0.5%
US avg: 0.9%
Arts, entertainment, food0.3%
US avg: 1.9%
Transportation & warehousing0.1%
US avg: 2.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$239,100
+55%inflation adjusted, since 2000
from $84,600 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$907
+22%inflation adjusted, since 2000
from $408 in 2000
US average: $1,442
Owner-occupied
55.9%
−8.0 ptssince 2000
from 64.0% in 2000
44.1% rent
Vacancy rate
8.2%
−2.4 ptssince 2009
from 10.6% in 2009
US average: 10.0%
Persons per household
2.35 people
−2%since 2009
from 2.40 people in 2009
US average: 2.54
Owner cost-burdened
25.4%
+3.7 ptssince 2009
from 21.6% in 2009
US average: 22.9%
Renter cost-burdened
35.5%
−17.5 ptssince 2009
from 53.0% in 2009
US average: 47.4%
Afford Score
4.3
+3%since 2009
from 4.2 in 2009
2009 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Gentrification Score
58
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04

Race & ethnicity

2000
White, non-Hispanic54%(8,089)
Black0.7%(106)
Hispanic / Latino41.4%(6,197)
Asian0.7%(112)
Other0%
2024
White, non-Hispanic45.2%(7,498)
Black1.7%(288)
Hispanic / Latino48.2%(7,989)
Asian1%(172)
Other3.8%(634)
Diversity Score
70
+2%since 2009
from 69 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Segregation Score
36
+20%since 2020
from 30 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican31.5%(5,216)
Guatemalan2.5%(420)
Spaniard2%(324)
Puerto Rican0.8%(132)
Cuban0%(4)
Asian origin
Chinese0.6%(96)
Japanese0.2%(32)
Thai0.2%(29)
Vietnamese0.1%(22)
Korean0%(3)
Pacific Islander origin
Ancestry
German12.3%(2,040)
Irish9.5%(1,581)
English8.6%(1,426)
Italian3.1%(513)
American2.5%(416)
Portuguese1.9%(318)
Dutch1.5%(246)
Norwegian1.5%(243)
French1.4%(238)
Swedish1.2%(193)
Scottish1.1%(180)
Polish1%(171)
+ 26 more ancestry groups with data
Arab1%(162)
Scotch-Irish0.7%(111)
Austrian0.6%(98)
Lebanese0.5%(91)
Syrian0.5%(81)
Lithuanian0.5%(81)
Swiss0.4%(67)
Welsh0.4%(60)
Danish0.3%(45)
West Indian0.3%(43)
Jamaican0.3%(43)
Hungarian0.2%(40)
Greek0.2%(36)
British0.2%(29)
Czech0.2%(29)
Egyptian0.2%(27)
Croatian0.1%(18)
Canadian0.1%(17)
Russian0.1%(15)
Ukrainian0.1%(9)
Finnish0%(8)
Israeli0%(4)
Section 05

Education

Bachelor's degree or higher
32.4%
+5.5 ptssince 2000
from 27.0% in 2000
US average: 35.6%
High school or higher
88.6%
+5.9 ptssince 2000
from 82.6% in 2000
US average: 89.6%
Graduate degree
14.9%
+3.3 ptssince 2000
from 11.6% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
15.9 min
+55%since 2000
from 10.2 min in 2000
US average: 26.5
Drive alone to work
74.7%
+2.7 ptssince 2009
from 71.9% in 2009
US average: 68.9%
Carpooled to work
12.6%
+1.3 ptssince 2009
from 11.3% in 2009
US average: 8.5%
Public transit
0.1%
+0.1 ptssince 2009
from 0.0% in 2009
US average: 3.2%
Worked from home
5.0%
+0.7 ptssince 2009
from 4.3% in 2009
US average: 15.0%
Walked to work
5.9%
−4.4 ptssince 2009
from 10.3% in 2009
US average: 2.4%
Biked to work
0.2%
−0.5 ptssince 2009
from 0.8% in 2009
US average: 0.4%
No vehicle available
7.9%
Unchangedsince 2009
from 7.9% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
3.7%
−5.9 ptssince 2011
from 9.5% in 2011
US average: 5.2%
Labor force participation
63.4%
+3.2 ptssince 2011
from 60.1% in 2011
US average: 63.5%
Women 20-64 in the labor force
74.9%
+1.1 ptssince 2020
from 73.8% in 2020
US average: 74.6%
Self-employed
24.2%
+3.0 ptssince 2009
from 21.2% in 2009
US average: 13.1%
Management & professional
38.5%
+2.7 ptssince 2009
from 35.8% in 2009
US average: 42.5%
Section 08

People & community

Male
49.9%
−0.2 ptssince 2009
from 50.2% in 2009
Female
50.1%
+0.2 ptssince 2009
from 49.8% in 2009
Foreign born
5.1%
−1.7 ptssince 2009
from 6.8% in 2009
US average: 14.1%
Veterans
3.4%
−5.2 ptssince 2009
from 8.7% in 2009
US average: 6.2%
With a disability
19.4%
+4.1 ptssince 2012
from 15.3% in 2012
US average: 13.3%
Uninsured
5.8%
−7.9 ptssince 2013
from 13.7% in 2013
US average: 8.4%
Broadband at home
91.8%
+25.0 ptssince 2017
from 66.8% in 2017
US average: 91.0%
Computer in household
93.4%
+6.2 ptssince 2020
from 87.2% in 2020
US average: 95.5%
Same house as last year
81.7%
−0.8 ptssince 2020
from 82.5% in 2020
US average: 87.7%
English only at home
78.8%
+3.6 ptssince 2016
from 75.2% in 2016
US average: 77.7%
Spanish at home
19.1%
−3.4 ptssince 2016
from 22.4% in 2016
US average: 13.6%
Marital status
Men 15+
Never married46.2%(3,121)
Married38.9%(2,627)
Widowed2.3%(152)
Divorced12.6%(852)
Women 15+
Never married30.4%(2,008)
Married44.6%(2,944)
Widowed8.1%(536)
Divorced16.9%(1,114)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Uninsured
5.8%
−7.9 ptssince 2013
from 13.7% in 2013
US average: 8.4%
Employer-based
40.3%
+0.4 ptssince 2020
from 39.9% in 2020
US average: 54.8%
Direct-purchase
9.8%
−1.6 ptssince 2020
from 11.4% in 2020
US average: 13.8%
Medicare
17.0%
+0.6 ptssince 2020
from 16.4% in 2020
US average: 18.4%
Medicaid
39.9%
+4.1 ptssince 2020
from 35.8% in 2020
US average: 20.9%
VA health care
1.6%
−0.8 ptssince 2020
from 2.4% in 2020
US average: 2.2%
Any private
49.9%
−1.3 ptssince 2020
from 51.2% in 2020
US average: 67.1%
Any public
53.3%
+5.4 ptssince 2020
from 47.9% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)11.5%(50)
US avg: 26.4%
Gulf War (1990s)18.4%(80)
US avg: 24.3%
Vietnam era55.5%(241)
US avg: 33.1%
Korean War1.6%(7)
US avg: 4.5%
World War II0%(0)
US avg: 1%

Share of the 434 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper

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Pop 15,970
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Pop 17,725
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Pop 17,683
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Head to head

Compare Alamosa County to nearby counties

ALAMOSA COUNTY VS
Costilla County
Income$36,861−33%
Home value$184,700−23%
Population3,679−78%
SEE FULL COMPARISON →
ALAMOSA COUNTY VS
Conejos County
Income$50,978−8%
Home value$193,400−19%
Population7,529−55%
SEE FULL COMPARISON →
ALAMOSA COUNTY VS
Rio Grande County
Income$64,411+16%
Home value$239,500same
Population11,087−34%
SEE FULL COMPARISON →
ALAMOSA COUNTY VS
Saguache County
Income$50,082−10%
Home value$212,600−11%
Population6,732−60%
SEE FULL COMPARISON →
Frequently asked

How many people live in Alamosa County, Colorado?

Alamosa County, Colorado has about 16,581 residents according to the 2024 American Community Survey.

What is the median household income in Alamosa County, Colorado?

The typical household in Alamosa County, Colorado earns about $55,397 a year. Half of households make more than that, and half make less.

Is Alamosa County, Colorado expensive?

In Alamosa County, Colorado, the median home is worth about $239,100, and the typical rent is about $907 a month.

How educated are people in Alamosa County, Colorado?

About 32.4% of adults age 25 and over in Alamosa County, Colorado hold a bachelor's degree or higher.

What is the poverty rate in Alamosa County, Colorado?

About 17.2% of people in Alamosa County, Colorado live below the federal poverty line.

Has Alamosa County, Colorado grown since 1990?

Yes, Alamosa County, Colorado has grown since 1990. The population has added about 2,964 residents, a change of about 22 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →