Zip code 81101: Alamosa, Colorado

Q: What city is zip code 81101?

81101 is assigned to Alamosa, Colorado. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 81101 in?

81101 is mostly in Alamosa County, but it extends into 1 other county.

Q: What is the population of 81101?

About 15,550 people live in 81101, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 81101?

The median household income in 81101 is $54,844.

Q: What zip codes are near 81101?

The closest zip codes to 81101 are 81102, 81135, 81146, 81123, 81144.

Residential delivery areaAlamosa CountyMountain Time

Population

15,550

Median household income

$55K

U.S. $81K

Median home value

$240K

U.S. $333K

Median rent

$912/mo

U.S. $1,413

Median age

33.4

U.S. 38.9

Land area

369 sq mi

42 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 81101

81101 is a rural zip code in Alamosa, Colorado (Alamosa County), covering 369 sq mi of land. About 15,550 people live here, or 42 per square mile. The median resident is 33.4 years old, compared with 38.9 nationally.

The median household earns $54,844 a year, 32% below the national median of $80,734. 18.1% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $240,400, or 4.4 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 55% of occupied homes are lived in by their owners, and renters pay a median of $912 a month.

32% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 15.9 minutes each way, and 5% of workers work from home. The most common jobs among working residents are in sales; healthcare; and office and administrative support. 30% of households speak a language other than English at home, most often Spanish.

How 81101 compares

Sorted from highest to lowest national percentile

Government workers27.3%
97th
U.S. 14.5% · CO 14.5%59th of 483 in CO
Self-employed workers13.2%
84th
U.S. 10% · CO 11.3%242nd of 483 in CO
Poverty rate18.1%
80th
WeaknessU.S. 12.5% · CO 9.4%64th of 482 in CO
Healthcare workers11.2%
73rd
U.S. 9.7% · CO 8.8%102nd of 483 in CO
Income inequality (Gini)0.462
71st
U.S. 0.483 · CO 0.459121st of 480 in CO
Residents under 1823.8%
65th
U.S. 22% · CO 21%144th of 484 in CO
Diversity index56
63rd
U.S. 61.4 · CO 52.562nd of 484 in CO
Housing vacancy7.6%
57th
U.S. 10.1% · CO 8.3%257th of 482 in CO
Bachelor's degree or higher32.4%
51st
U.S. 35.7% · CO 45.7%266th of 484 in CO
Broadband access92%
49th
U.S. 91% · CO 93.5%251st of 482 in CO
Residents 65 and older14.9%
37th
U.S. 17.2% · CO 15.6%336th of 484 in CO
Uninsured rate5.3%
36th
U.S. 8.4% · CO 7.7%307th of 481 in CO
Median home value$240,400
31st
U.S. $332,700 · CO $539,400374th of 461 in CO
Foreign-born residents5.3%
31st
U.S. 14.1% · CO 9.8%229th of 484 in CO
Unemployment rate3.6%
26th
U.S. 5.2% · CO 4.6%246th of 483 in CO
Population15,550
24th
U.S. 334,922,499 · CO 5,862,189147th of 484 in CO
Homeownership rate54.7%
24th
U.S. 65.2% · CO 66.2%425th of 482 in CO
Per capita income$29,490
17th
WeaknessU.S. $44,673 · CO $52,636429th of 483 in CO
Veterans3.2%
17th
U.S. 6.2% · CO 7.5%434th of 484 in CO
Median household income$54,844
14th
WeaknessU.S. $80,734 · CO $95,470385th of 460 in CO
Median gross rent$912
14th
U.S. $1,413 · CO $1,761345th of 400 in CO
Median age33.4
13th
U.S. 38.9 · CO 37.7433rd of 484 in CO
Tech workers1%
13th
U.S. 3.8% · CO 5.2%312th of 483 in CO
Rent-burdened renters37.7%
12th
StrengthU.S. 51.1% · CO 52.9%341st of 447 in CO
Median earnings per worker$35,487
10th
WeaknessU.S. $49,666 · CO $56,473431st of 478 in CO
Work from home4.7%
7th
U.S. 15.1% · CO 21%428th of 483 in CO
Population density42/sq mi
6th
U.S. 95/sq mi · CO 57/sq mi218th of 484 in CO
Average commute15.9 min
2nd
StrengthU.S. 26.4 min · CO 25.2 min407th of 450 in CO

Measure	81101	Alamosa	CO	U.S.	National percentile	Rank in CO
Government workers	27.3%	26.3%	14.5%	14.5%	97th	59th of 483
Self-employed workers	13.2%	14.1%	11.3%	10%	84th	242nd of 483
Poverty rateWeakness	18.1%	17.2%	9.4%	12.5%	80th	64th of 482
Healthcare workers	11.2%	10.4%	8.8%	9.7%	73rd	102nd of 483
Income inequality (Gini)	0.462	0.459	0.459	0.483	71st	121st of 480
Residents under 18	23.8%	23.8%	21%	22%	65th	144th of 484
Diversity index	56	56.2	52.5	61.4	63rd	62nd of 484
Housing vacancy	7.6%	8.2%	8.3%	10.1%	57th	257th of 482
Bachelor's degree or higher	32.4%	32.4%	45.7%	35.7%	51st	266th of 484
Broadband access	92%	91.8%	93.5%	91%	49th	251st of 482
Residents 65 and older	14.9%	15.1%	15.6%	17.2%	37th	336th of 484
Uninsured rate	5.3%	5.8%	7.7%	8.4%	36th	307th of 481
Median home value	$240,400	$239,100	$539,400	$332,700	31st	374th of 461
Foreign-born residents	5.3%	5.1%	9.8%	14.1%	31st	229th of 484
Unemployment rate	3.6%	3.7%	4.6%	5.2%	26th	246th of 483
Population	15,550	16,581	5,862,189	334,922,499	24th	147th of 484
Homeownership rate	54.7%	55.9%	66.2%	65.2%	24th	425th of 482
Per capita incomeWeakness	$29,490	$29,946	$52,636	$44,673	17th	429th of 483
Veterans	3.2%	3.4%	7.5%	6.2%	17th	434th of 484
Median household incomeWeakness	$54,844	$55,397	$95,470	$80,734	14th	385th of 460
Median gross rent	$912	$907	$1,761	$1,413	14th	345th of 400
Median age	33.4	33.2	37.7	38.9	13th	433rd of 484
Tech workers	1%	1%	5.2%	3.8%	13th	312th of 483
Rent-burdened rentersStrength	37.7%	37.2%	52.9%	51.1%	12th	341st of 447
Median earnings per workerWeakness	$35,487	$35,570	$56,473	$49,666	10th	431st of 478
Work from home	4.7%	5%	21%	15.1%	7th	428th of 483
Population density	42/sq mi	23/sq mi	57/sq mi	95/sq mi	6th	218th of 484
Average commuteStrength	15.9 min	15.9 min	25.2 min	26.4 min	2nd	407th of 450

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

18%

5–17

15%

18–24

14%

25–34

14%

35–44

45–54

11%

55–64

65–74

75+

Median age

33.4

Under 18

23.8%

65 and over

14.9%

Race and ethnicity

White43%
Black2%
Hispanic50%
Asian1%
Native American1%
Pacific Islander0.1%
Other0.3%
Multiracial2%

Diversity index

U.S. 61.4

Foreign-born

5.3%

U.S. 14.1%

Born in state

66.3%

Language spoken at home (households)

English only

70%

Spanish

26%

Other Indo-European

0.9%

Asian / Pacific

Other

0.5%

Households

Households: 6,292
Average household size: 2.3
Family households: 59.5%
Married couples: 38.2%
Living alone: 32.4%
Veterans (of adults): 3.2%
Male / female: 49% / 51%

Income and poverty

Household income distribution

<$25k

24%

$25–50k

23%

$50–75k

19%

$75–100k

12%

$100–150k

12%

$150–200k

$200k+

Median household income

81101

$54,844

Alamosa Co.

$55,397

Colorado

$95,470

United States

$80,734

Per capita income

$29,490

U.S. $44,673

Poverty rate

18.1%

U.S. 12.5%

Households earning $150K+

10.5%

U.S. 23%

Income inequality (Gini)

0.462

U.S. 0.483

Housing

Median home value

81101

$240,400

Alamosa Co.

$239,100

Colorado

$539,400

United States

$332,700

Median gross rent

81101

$912

Alamosa Co.

$907

Colorado

$1,761

United States

$1,413

Types of housing

Single-family

65%

2–4 units

12%

5–19 units

10%

20+ units

Mobile home

11%

Boat, RV, van

0.3%

Housing units: 6,812
Owner-occupied: 54.7%
Vacant: 7.6%
Median year built: 1982
Median rooms: 5.1
Renters paying 30%+ of income: 37.7%
Renters paying 50%+ of income: 18.7%
Home value to income: 4.4× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

76%

Carpooled

12%

Transit

0.1%

Walked

Bicycle

0.3%

Worked from home

Other

Commute time (one way)

<10 min

39%

10–19

35%

20–29

13%

30–44

45–59

60+

Average commute

15.9 min

U.S. 26.4 min

Unemployment

3.6%

U.S. 5.2%

In labor force

62.6%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Sales

14%

Healthcare

11%

Office and admin

11%

Education

Management

Transportation and moving

Food service

Cleaning and personal care

Business and finance

Legal and social services

Construction and repair

Farming, fishing and forestry

Engineering and science

Production

Police and fire

Arts, media and sports

Computer and math

Industries

Health care and social assistance

18%

Education

16%

Retail

12%

Restaurants and hotels

10%

Agriculture and mining

Finance, insurance and real estate

Public administration

Transportation, warehousing and utilities

Other services

Admin, support and management

Professional and technical services

Construction

Manufacturing

Arts and recreation

Information

0.3%

Wholesale

Median earnings per worker

$35,487

U.S. $49,666

Self-employed

13.2%

U.S. 10%

Government workers

27.3%

U.S. 14.5%

Nonprofit workers

10.3%

U.S. 8.8%

Median earnings by type of work

Type of work	81101	U.S.
Management, business, science and arts	$51,127	$74,888
Service	$28,481	$26,804
Sales and office	$26,985	$40,476
Construction and maintenance	$33,250	$49,199
Production and transportation	$31,272	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

12%

High school

24%

Some college

22%

Associate's

10%

Bachelor's

17%

Graduate

15%

High school graduate or higher: 88.2%
Bachelor's degree or higher: 32.4%
Graduate or professional degree: 15.1%
Households with broadband: 92%
Cable, fiber or DSL: 64.4%
No internet access: 7.1%
Without health insurance: 5.3%
Limited-English households: 2.1%

Geography

City (USPS): Alamosa
State: Colorado
County: Alamosa County
Center point: 37.4693° N, 105.8527° W
Land area: 369 sq mi
Water area: 0.5 sq mi
Time zone: Mountain Time (UTC-7, UTC-6 in summer)
Zip type: Residential delivery area

81101 spans 2 counties

Alamosa County94% of land
Conejos County6% of land

Cities and towns within this zip

Alamosa2% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 81101

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
81102	Alamosa, CO · PO box	1.7 mi	—	—	—
81135	Homelake, CO · PO box	15 mi	—	—	—
81146	Mosca, CO	16 mi	637	$69,556	$232,100
81123	Blanca, CO	16 mi	606	$36,487	$152,400
81144	Monte Vista, CO	17 mi	6,543	$64,662	$234,200
81136	Hooper, CO	17 mi	305	$47,448	$193,300
81151	Sanford, CO	18 mi	1,716	$43,417	$188,500
81124	Capulin, CO	19 mi	259	$88,793	$79,300
81140	La Jara, CO	21 mi	1,893	$46,781	$239,700
81141	Manassa, CO	21 mi	1,406	$59,539	$202,500
81148	Romeo, CO	22 mi	387	$45,469	$123,800
81129	Conejos, CO	27 mi	118	—	—

Zip codes like 81101 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 81101

What city is zip code 81101?

81101 is assigned to Alamosa, Colorado. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 81101 in?

81101 is mostly in Alamosa County, but it extends into 1 other county.

What is the population of 81101?

About 15,550 people live in 81101, according to the Census Bureau's American Community Survey.

What time zone is 81101 in?

81101 is in Mountain Time.

What is the median household income in 81101?

The median household income in 81101 is $54,844.

What zip codes are near 81101?

The closest zip codes to 81101 are 81102, 81135, 81146, 81123, 81144.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 81101, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.