PlainZIP

Blanca, CO · standard

ZIP Code 81123

Costilla County, Colorado - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

805
1/sq mi
$36,487
Median income
$152,400
Median home value
18.8%
Bachelor's or higher

The verdict

Blanca pairs one of the lowest household incomes in the country with below-median home values, in a rural, homeowner-dominated area.

4th pct
household income, US ZIPs
26th pct
home value, US ZIPs
1
people per sq mi
82%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 81123 against every reporting US ZIP.

ZIP code 81123 is a sparsely populated ZIP (a standard USPS delivery area) in Blanca, Costilla County, Colorado, home to just 805 residents across 670.8 square miles, a density of 1 people per square mile, in the Denver time zone.

ZIP 81123 sits on the lower end of the income spectrum: median household income is $36,487 (59% below the Colorado average), while per-capita income is $23,721. Poverty here runs at 23.6%, with unemployment measured at 3.7%. Housing costs here run $152,400 for a typical home value (69% below the state average), with rent averaging $1,106 a month; 81.7% of homes are owner-occupied.

Educational attainment sits below the national norm: 18.8% of adults hold a bachelor's degree or higher, the median age is 46.3, and the average commute is -. Colorado and national benchmarks, shown above, are the best way to contextualize 81123, not the raw numbers alone.

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 →

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 81123, Blanca, 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

805

Population

670.8

Area (sq mi)

1

People / sq mi

Denver

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 81123?

46.3

Median Age

55.8%

Male

44.2%

Female

14.9%

Foreign-Born

White 50.2%
African American 2.8%
Asian 5.3%
American Indian or Alaska Native 0.7%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 26.4%
Hispanic or Latino 40.3%

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?

$36,487

Median Household Income

-59% vs state

$23,721

Per Capita Income

23.6%

Poverty Rate

3.7%

Unemployment Rate

How ZIP 81123 ranks nationally

Blanca, CO household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$36,487 4th percentile higher than 4% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). This entry sits in this band. $40,000–$60,000: 7,092 US ZIPs (23%). Above this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 61.1%
Bachelor's Degree or Higher 18.8%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

396

Total Housing Units

323

Occupied Units

73

Vacant Units

1.88

Avg Household Size

Occupancy Type

Owner 81.7%
Renter 18.3%

$152,400

Median Home Value

-69% vs state

$1,106

Median Rent

1987

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 12 business establishments in ZIP 81123, employing approximately 177 people with a combined annual payroll of $8,444,000.

12

Businesses

177

Employees

$8.4M

Annual Payroll

2

Industry Sectors

Industry Establishments % of Total
Construction 3 25.0%
Other services (except public administration) 3 25.0%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

More ZIP Codes in Costilla County

81152 standard
San Luis, CO
Pop: 1,434
81133 standard
Fort Garland, CO
Pop: 840
81126 standard
Chama, CO
Pop: 276
81138 standard
Jaroso, CO
Pop: 56

Related Areas

Costilla County Blanca, CO Colorado

Frequently Asked Questions

What county is ZIP code 81123 in? ▼
ZIP code 81123 (Blanca) is located in Costilla County, Colorado. Costilla County contains multiple ZIP codes, see the full list at /counties/costilla-co.
What is the population of ZIP code 81123? ▼
ZIP code 81123 in Blanca, CO has a population of 805 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 81123? ▼
The median household income in ZIP 81123 is $36,487, which is 52% below the national average of $76,288.
What is the average home value in ZIP 81123? ▼
The median home value in ZIP 81123 is $152,400, which is 45% below the national average of $278,155.
What is the demographic makeup of ZIP 81123? ▼
The largest racial group in ZIP 81123 is White at 50.2%. Hispanic or Latino residents make up 40.3% of the population.
How many businesses are in ZIP code 81123? ▼
ZIP code 81123 has 12 business establishments employing approximately 177 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 81123? ▼
In ZIP code 81123, 61.1% of residents aged 25+ have a high school diploma or higher, and 18.8% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 81123? ▼
In ZIP code 81123, approximately 81.7% of occupied housing units are owner-occupied and 18.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 81123? ▼
The poverty rate in ZIP code 81123 is 23.6% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.