ZIP Code 81231 in Gunnison, CO

Data Last Updated: February 1, 2026
City:Gunnison, Colorado
Names to Avoid:
Western State College
County:Gunnison County
Timezone:Mountain (GMT -07:00)
Local Time:9:04:23 AM
Population:No Population Data
Area Code:970
Classification:Unique [Company/Government]
Coordinates:38.5503, -106.9197
Quick Link:
https://www.zip-codes.com/zip-code/81231/zip-code-81231.asp

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81231 - Western State College

Gunnison, CO | Gunnison County | University

Western State College

Entity TypeUniversity
LocationGunnison, CO
CountyGunnison
FacilityPost Office
Coordinates38.5523, -106.9191
CoverageCampus (Boundary covers 0.27 sq mi)
Key Facts
  • Unique postal code for higher education
  • Has own Post Office designation
  • Includes Taylor Hall and Western State Colorado University
Entity Type
University
Facility
Post Office
Coordinates
38.5523, -106.9191
Buildings
2

About ZIP Code 81231

Western Colorado University operates under dedicated ZIP code 81231 in Gunnison County, Colorado. Established in 1901 and opening for classes in 1911 as the Colorado State Normal School, this was the first college on Colorado's Western Slope. The institution was renamed Western State Colorado University in 2012 and assumed its current name in 2018. The campus sits at 7,700 feet elevation, surrounded by wilderness, BLM land, and National Forest, with the Signal Peak trail system adjacent to university grounds.

The campus boundary encompasses approximately 0.27 square miles in the cradle of the Rocky Mountains. This unique postal designation has served the university for over two decades. Ten delivery codes route mail to facilities including Taylor Hall and the main university administrative buildings on Adams Street. The university enrolls approximately 3,000 undergraduate and 450 graduate students, with a student-faculty ratio of 17:1. Gunnison is the valid mailing city for university correspondence.

Named Buildings

Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.

Taylor Hall on Adams Western State Colorado University on Adams

Address Format

[Recipient Name]
[Street Address]
GUNNISON, CO 81231

Education, Health & Community


Insufficient data for educational attainment. Insufficient data for health insurance coverage. Insufficient data for poverty. Insufficient data for school enrollment.

Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:00%
9th to 12th grade, no diploma:00%
High school graduate (includes equivalency):00%
Some college, no degree:00%
Associate's degree:00%
Bachelor's degree:00%
Graduate or professional degree:00%
Total:0100%
High school or higher:00%
Bachelor's degree or higher:00%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:00%
Public Insurance:00%
No Insurance:00%
Total:0100%
Has Health Insurance:00%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2024)


Group20112102201320142015201620172018201920202021202220232024
% of People in Poverty-666,666,666.0%-666,666,666.0%-666,666,666.0%-666,666,666.0%-666,666,666.0%-666,666,666.0%-666,666,666.0%-666,666,666.0%-666,666,666.0%0.0%0.0%0.0%0.0%0.0%
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:00%
Kindergarten:00%
Elementary school (grades 1-8):00%
High school (grades 9-12):00%
College or graduate school:00%
Total:0100%
Early Childhood:00%
K-12 (Primary & Secondary School):00%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 81231 supports both business and residential activity. According to the Business Census (2024), there are 4 business establishments, employing about 37 people with an annual payroll of $1,328,000.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:2,587Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:4Source: CBP
1st Quarter Payroll:$335,000Source: CBP
Annual Payroll:$1,328,000Source: CBP
# of Employees:37Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 81231 is located in Gunnison County, Colorado, within the Metropolitan Statistical Area (CBSA ) and Colorado's 3rd Congressional District. This area has a population of 0 people, about 0.00% of whom live in ZIP Code 81231. It covers 0 sq mi of land and a water area of 0 sq mi.

CBSA Name:--Source: Census
CBSA Number:--Source: Census
CBSA Type:--Source: Census
CBSA Division:--Source: Census
CBSA Population:0Source: Census
MSA:Source: Census
Land Area:--Source: Census
Water Area:--Source: Census
Congressional District:03Source: USPS
Congressional Land Area:49731.77 sq miSource: Census
PMSA:Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:0833640Source: Census
Place Name:Gunnison city; ColoradoSource: Census

Adjacent & Nearby ZIP Codes


81232 | | 81230

Schools in ZIP Code 81231


We could not locate which school district 81231 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Lake Preschool 800 North Boulevard
Gunnison, CO 81230
District: Gunnison Watershed School District RE-1JNearby
Gunnison High School 800 West Ohio
Gunnison, CO 81230
District: Gunnison Watershed School District RE-1JNearby
Gunnison Middle School 1099 North 11th
Gunnison, CO 81230
District: Gunnison Watershed School District RE-1JNearby
Gunnison Elementary School 1099 North 11th
Gunnison, CO 81230
District: Gunnison Watershed School District RE-1JNearby
Crested Butte Secondary School 818 Red Lady Avenue
Crested Butte, CO 81224
District: Gunnison Watershed School District RE-1JNearby
Paonia Experiential Leadership Academy 12999 Minerich Rd
Paonia, CO 81428
District: Private SchoolNearby
Aspen Country Day School 85 Country Day Way
Aspen, CO 81611
District: Private SchoolNearby
The Link School 18885 County Road 367
Buena Vista, CO 81211
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 81231


Western Colorado University 1 Western Way
Gunnison, CO 81231
Type: Post Secondary
Technical College Of The Rockies 1765 Hwy 50
Delta, CO 81416
Type: Post Secondary
Colorado Mountain College 802 Grand Ave.
Glenwood Springs, CO 81601-0233
Type: Post Secondary
Adams State University 208 Edgemont Blvd
Alamosa, CO 81101
Type: Post Secondary
Intellitec College-Grand Junction 772 Horizon Dr.
Grand Junction, CO 81506
Type: Post Secondary
Colorado Mesa University 1100 North Avenue
Grand Junction, CO 81501-3122
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.

  1. U.S. Postal Service [Last Updated: 2/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 2/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 2/1/2026], https://nces.ed.gov