Cotopaxi, CO · standard
ZIP Code 81223
Fremont County, Colorado - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,639
- 2/sq mi Low-density area
- $51,889
- Median income Below-median income area
- $355,800
- Median home value Above-median home value
- 26.7%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Cotopaxi pairs one of the lowest household incomes in the country with above-median home values, in a rural, homeowner-dominated area.
- 17th pct
- household income, US ZIPs
- Top 26%
- home value, US ZIPs
- 2
- people per sq mi
- 92%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 81223 against every reporting US ZIP.
ZIP code 81223 covers 1024.4 square miles in Cotopaxi, Fremont County, Colorado (a standard USPS delivery area), with a modest 1,639 residents on file, a density of 2 people per square mile, in the Denver time zone.
ZIP 81223 reports a modest median household income of $51,889 (41% below the average Colorado ZIP), while per-capita income is $30,813. The poverty rate is 25.1%, so the area-level income figures should not be treated as typical household experience. Home values sit below the statewide ZIP benchmark: the median is $355,800 (27% below the average Colorado ZIP), and median rent is $1,699; owner occupancy is 91.6%.
Educational attainment sits below the national norm: 26.7% of adults hold a bachelor's degree or higher, the median age is 59.6, and the average commute is -. The page also surfaces 1 ZIP codes within roughly 10 miles and 6 more in Fremont County, so 81223 can be compared with both its immediate and county-level context.
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 81223, Cotopaxi, 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
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 ZIP avg
$30,813
Per Capita Income
25.1%
Poverty Rate
1.5%
Unemployment Rate
How ZIP 81223 ranks among Colorado ZIPs
Cotopaxi, CO household income vs. every Colorado ZIP code
Median household income among 469 reporting Colorado ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$51,889 14th percentile higher than 14% of 469 Colorado ZIPs
Each bar is a $20K-wide band; taller bars hold more Colorado 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
1,803housing units
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 ZIP avg
$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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 81223, 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 (1,639 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Fremont County
Related Areas
Frequently Asked Questions
What county is ZIP code 81223 in?
ZIP code 81223 (Cotopaxi) is located in Fremont County, Colorado. Fremont County contains multiple ZIP codes, see the full list at /counties/fremont-co.
What is the population of ZIP code 81223?
ZIP code 81223 in Cotopaxi, CO has a population of 1,639 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 81223?
The median household income in ZIP 81223 is $51,889, which is 32% below the national average of $76,288.
What is the average home value in ZIP 81223?
The median home value in ZIP 81223 is $355,800, which is 28% above the national average of $278,155.
What is the demographic makeup of ZIP 81223?
The largest racial group in ZIP 81223 is White at 93.4%. Hispanic or Latino residents make up 4.3% of the population.
How many businesses are in ZIP code 81223?
ZIP code 81223 has 24 business establishments employing approximately 70 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
How have home values changed in ZIP code 81223?
According to the FHFA House Price Index, home values in ZIP 81223 increased by 11.2% in 2023. Since 2000, home values in this ZIP have appreciated by approximately 177%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 81223?
In ZIP code 81223, 47.7% of residents aged 25+ have a high school diploma or higher, and 26.7% 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 81223?
In ZIP code 81223, approximately 91.6% of occupied housing units are owner-occupied and 8.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 81223?
The poverty rate in ZIP code 81223 is 25.1% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 81223's numbers, next.
- See how ZIP 81223 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Cotopaxi, CO ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.