ZIP Code 81223
standardSource:
Cotopaxi · Fremont County · Colorado
- Population
- 1,639
- Median income
- $51,889
- Median home value
- $355,800
- Bachelor's or higher
- 26.7%
- Land area
- 1024.4 sq mi
2/sq mi
▼ 32% vs US
higher than 17% of US ZIPs
▲ 28% vs US
higher than 74% of US ZIPs
Median age 59.6
Denver
ZIP code 81223 in Cotopaxi, Colorado has a population of 1,639. The median household income is $51,889, which is 32% below the national average. Median home value is $355,800, 28% above the US average. 26.7% of residents hold a bachelor's degree or higher.
ZIP code 81223 is classified by USPS as a standard delivery area and covers roughly 1024.4 square miles in Cotopaxi, Fremont County, Colorado. The area is home to 1,639 residents, producing a population density of 2 people per square mile, and falls within the Denver time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 81223 against Colorado and the nation.
On the economic side, the median household income for ZIP 81223 sits at $51,889 (41% below the Colorado average), while per-capita income is $30,813. The poverty rate stands at 25.1% and the unemployment rate at 1.5%. On housing, the median home value is $355,800 (27% below the state average) with median rent at $1,699 per month, and 91.6% of occupied units are owner-occupied, a direct signal of whether 81223 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 26.7% of adults hold a bachelor's degree or higher, the median age is 59.6, and the average commute is —. We also surface 1 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Fremont County, so you can benchmark 81223 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 81223, Cotopaxi, CO · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
1,639
Population
1024.4
Area (sq mi)
2
People / sq mi
Denver
Time Zone
standard
ZIP Type
Who lives in ZIP 81223?
59.6
Median Age
51.7%
Male
48.3%
Female
2.9%
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?
$51,889
Median Household Income
-41% vs state
$30,813
Per Capita Income
25.1%
Poverty Rate
1.5%
Unemployment Rate
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?
1,803
Total Housing Units
1,116
Occupied Units
687
Vacant Units
2.20
Avg Household Size
Occupancy Type
$355,800
Median Home Value
-27% vs state
$1,699
Median Rent
1997
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
+11.2%
YoY Change (2023)
277
HPI Index (2000 = 100)
+177%
Total Change Since 2000
Home values in ZIP 81223 have increased 11.2% over the past year (2023). Since 2000, this ZIP has seen +177% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2019 | +7.7% | 175 |
| 2020 | +10.6% | 194 |
| 2021 | +7.2% | 208 |
| 2022 | +19.8% | 249 |
| 2023 | +11.2% | 277 |
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 2023. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 24 business establishments in ZIP 81223, employing approximately 70 people with a combined annual payroll of $2,741,000.
24
Businesses
70
Employees
$2.7M
Annual Payroll
2
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 8 | 33.3% |
| Professional, scientific, and technical services | 4 | 16.7% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 81223 vs 81232 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 81232 | Hillside, CO | 23 | 8.3 mi |
More ZIP Codes in Fremont County
Related Areas
Frequently Asked Questions
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ZIP Code Research Guides
Official Data Resources for Cotopaxi, CO
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.