Alamosa, CO · standard
ZIP Code 81101
Alamosa County, Colorado - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 14,675
- 14/sq mi
- $54,844
- Median income
- $240,400
- Median home value
- 32.4%
- Bachelor's or higher
National ZIP placement
Alamosa pairs one of the lowest household incomes in the country with above-median home values, in a rural, mixed-tenure area.
- 21st pct
- household income, US ZIPs
- Top 45%
- home value, US ZIPs
- 14
- people per sq mi
- 55%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 81101 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 81101 (Alamosa, CO) fell -5.4% from 2023 to 2024. The all-transactions index moved from 274.3 in 2023 to 259.4 in 2024 (2000 = 100).
ZIP code 81101 is a mid-sized community (a standard USPS delivery area) in Alamosa, Alamosa County, Colorado, home to 14,675 residents across 1063.4 square miles, a density of 14 people per square mile, in the Denver time zone.
ZIP 81101 reports a modest median household income of $54,844 (38% below the average Colorado ZIP), while per-capita income is $29,490. The poverty rate is 18.1%, with unemployment at 3.6%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $240,400 (50% below the average Colorado ZIP), and median rent is $912; owner occupancy is 54.7%.
A solid share of residents have a four-year degree: 32.4% of adults hold a bachelor's degree or higher, the median age is 33.4, and the average commute is 16 minutes. No nearby ZIP peer set is available for this delivery area, so the Colorado and national benchmarks above are the appropriate context for 81101.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 81101
Top 5 sectors by establishment count in Alamosa, CO
Which industries have the most business establishments in ZIP 81101.
- Health care and social assistance
Health care and social assistance
73 establishments
- Retail trade
Retail trade
70 establishments
- Accommodation and food services
Accommodation and food services
53 establishments
- Other services (except public administration)
Other services (except public administration)
45 establishments
- Construction
Construction
41 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 81101, Alamosa, CO · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
14,675
Population
1063.4
Area (sq mi)
14
People / sq mi
Denver
Time Zone
standard
ZIP Type
Who lives in ZIP 81101?
33.4
Median Age
49.4%
Male
50.6%
Female
5.3%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$54,844
Median Household Income
-38% vs state ZIP avg
$29,490
Per Capita Income
18.1%
Poverty Rate
3.6%
Unemployment Rate
15.9 min
Mean Commute Time
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
6,812housing units
6,812
Total Housing Units
6,292
Occupied Units
520
Vacant Units
2.32
Avg Household Size
Occupancy Type
$240,400
Median Home Value
-50% vs state ZIP avg
$912
Median Rent
1982
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
-5.4%
YoY Change (2024)
259
HPI Index (2000 = 100)
+159%
Total Change Since 2000
Home values in ZIP 81101 have decreased 5.4% over the past year (2024). Since 2000, this ZIP has seen +159% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +1.8% | 175 |
| 2021 | +13.0% | 198 |
| 2022 | +19.0% | 236 |
| 2023 | +16.2% | 274 |
| 2024 | -5.4% | 259 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 465 business establishments in ZIP 81101, employing approximately 5,760 people with a combined annual payroll of $272,213,000.
465
Businesses
5,760
Employees
$272.2M
Annual Payroll
16
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Health care and social assistance | 73 | 15.7% |
| Retail trade | 70 | 15.1% |
| Accommodation and food services | 53 | 11.4% |
| Other services (except public administration) | 45 | 9.7% |
| Construction | 41 | 8.8% |
| Professional, scientific, and technical services | 38 | 8.2% |
| Finance and insurance | 26 | 5.6% |
| Real estate and rental and leasing | 20 | 4.3% |
| Wholesale trade | 17 | 3.7% |
| Administrative and support and waste management and remediation services | 17 | 3.7% |
| Manufacturing | 16 | 3.4% |
| Transportation and warehousing | 16 | 3.4% |
| Information | 13 | 2.8% |
| Arts, entertainment, and recreation | 8 | 1.7% |
| Educational services | 6 | 1.3% |
| Utilities | 3 | 0.7% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 81101, both outside CO so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (14,675 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.