PlainZIP

Alma, CO · standard

ZIP Code 80420

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

933
9/sq mi
$86,705
Median income
$616,000
Median home value
68.9%
Bachelor's or higher

The verdict

Alma pairs an above-median household income with top-decile home values, in a rural, mixed-tenure area.

Top 30%
household income, US ZIPs
Top 9%
home value, US ZIPs
9
people per sq mi
60%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 80420 against every reporting US ZIP.

ZIP code 80420 is classified by USPS as a standard delivery area and covers roughly 102.5 square miles in Alma, Park County, Colorado. The area is home to 933 residents, producing a population density of 9 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 80420 against Colorado and the nation.

On the economic side, the median household income for ZIP 80420 sits at $86,705 (2% below the Colorado average), while per-capita income is $68,745. The poverty rate stands at 8.3% and the unemployment rate at 0.1%. On housing, the median home value is $616,000 (27% above the state average) with median rent at $2,295 per month, and 59.8% of occupied units are owner-occupied, a direct signal of whether 80420 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 68.9% of adults hold a bachelor's degree or higher, the median age is 57.2, and the average commute is —. We also surface 1 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Park County, so you can benchmark 80420 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 →

Top industries in ZIP 80420

Top 5 sectors by establishment count

Which industries have the most business establishments in ZIP 80420.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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 80420, Alma, 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

933

Population

102.5

Area (sq mi)

9

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 80420?

57.2

Median Age

48.8%

Male

51.2%

Female

9.1%

Foreign-Born

White 93.6%
African American 2.1%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 4.3%
Hispanic or Latino 8.3%

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?

$86,705

Median Household Income

-2% vs state

$68,745

Per Capita Income

8.3%

Poverty Rate

0.1%

Unemployment Rate

How ZIP 80420 ranks nationally

Household income vs. every US ZIP code

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

$86,705 Top 30% higher than 70% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $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 82.9%
Bachelor's Degree or Higher 68.9%

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

What does housing look like?

1,161

Total Housing Units

741

Occupied Units

420

Vacant Units

1.68

Avg Household Size

Occupancy Type

Owner 59.8%
Renter 40.2%

$616,000

Median Home Value

+27% vs state

$2,295

Median Rent

1978

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

+23.1%

YoY Change (2024)

358

HPI Index (2000 = 100)

+258%

Total Change Since 2000

Home values in ZIP 80420 have increased 23.1% over the past year (2024). Since 2000, this ZIP has seen +258% cumulative appreciation.

Year Annual Change HPI Index
2020 +0.3% 198
2021 +24.0% 246
2022 +30.3% 320
2023 -9.3% 291
2024 +23.1% 358

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 60 business establishments in ZIP 80420, employing approximately 174 people with a combined annual payroll of $6,220,000.

60

Businesses

174

Employees

$6.2M

Annual Payroll

6

Industry Sectors

Industry Establishments % of Total
Construction 19 31.7%
Professional, scientific, and technical services 9 15.0%
Accommodation and food services 8 13.3%
Administrative and support and waste management and remediation services 7 11.7%
Retail trade 6 10.0%
Real estate and rental and leasing 4 6.7%

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 80420 vs 80440 →

ZIP Code City Population Distance
80440 Fairplay, CO 2,422 9.2 mi

More ZIP Codes in Park County

80421 standard
Bailey, CO
Pop: 8,042
80440 standard
Fairplay, CO
Pop: 2,422
80449 standard
Hartsel, CO
Pop: 909
80820 standard
Guffey, CO
Pop: 806
80456 standard
Jefferson, CO
Pop: 620
80827 standard
Lake George, CO
Pop: 549

Related Areas

Park County Alma, CO Colorado

Frequently Asked Questions

What county is ZIP code 80420 in? ▼
ZIP code 80420 (Alma) is located in Park County, Colorado. Park County contains multiple ZIP codes, see the full list at /counties/park-co.
What is the population of ZIP code 80420? ▼
ZIP code 80420 in Alma, CO has a population of 933 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 80420? ▼
The median household income in ZIP 80420 is $86,705, which is 14% above the national average of $76,288.
What is the average home value in ZIP 80420? ▼
The median home value in ZIP 80420 is $616,000, which is 121% above the national average of $278,155.
What is the demographic makeup of ZIP 80420? ▼
The largest racial group in ZIP 80420 is White at 93.6%. Hispanic or Latino residents make up 8.3% of the population.
How many businesses are in ZIP code 80420? ▼
ZIP code 80420 has 60 business establishments employing approximately 174 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 80420? ▼
The top industries by establishment count in ZIP 80420 are: Construction (19), Professional, scientific, and technical services (9), Accommodation and food services (8). There are 6 industry sectors represented in total.
How have home values changed in ZIP code 80420? ▼
According to the FHFA House Price Index, home values in ZIP 80420 increased by 23.1% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 258%. 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 80420? ▼
In ZIP code 80420, 82.9% of residents aged 25+ have a high school diploma or higher, and 68.9% 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 80420? ▼
In ZIP code 80420, approximately 59.8% of occupied housing units are owner-occupied and 40.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 80420? ▼
The poverty rate in ZIP code 80420 is 8.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Reading Census Demographics
How to interpret population, income, and education data from the Census Bureau.
Understanding ZIP Code Data
What ZIP codes are, how ZCTAs differ, and what the data reveals.
Best ZIP Codes for Families
Key factors to evaluate when choosing a family-friendly neighborhood.
ZIP Codes for Relocation
Data-driven tips for evaluating ZIP codes before a move.

Official Data Resources for Alma, CO

Verify and explore additional data for this area using these official government sources.

U.S. Census Bureau
Official demographic, economic, and housing data from the American Community Survey.
HUD Fair Market Rents
Department of Housing and Urban Development rental cost estimates by metropolitan area.
FBI Uniform Crime Reports
Official crime statistics compiled from law enforcement agencies nationwide.
FHFA House Price Index
Federal Housing Finance Agency home value trends based on repeat sales and appraisals.

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