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US ZIP Code Profile

ZIP Code 80231
Denver, Colorado

ZIP code 80231 is in Denver, located in Denver County, Colorado, within the Denver-Aurora-Lakewood metro area. Its 2020 Census population was 36,014. The estimated median adjusted gross income per tax return is $48,059, and about 5% of filers report $200,000 or more.

2020 Population
36,014
Census ZCTA
County
Denver
FIPS 08031
Median income (est.)
$48,059
IRS SOI 2022
Land Area
4.725 mi²
+ 0 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityDenver, CO
CountyDenver County (FIPS 08031)
StateColorado (FIPS 08)
Metro Area (MSA)Denver-Aurora-Lakewood, CO Metro Area (19740)
Census Region / DivisionWest Region · Mountain Division
Coordinates39.671474, -104.887825
Land / Water Area4.725 mi² land · 0 mi² water

02Income & Economics

Distribution of the 17,890 individual tax returns filed in 80231 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
25.1%
$25K–$50K
27.0%
$50K–$75K
18.9%
$75K–$100K
10.3%
$100K–$200K
13.2%
$200K+
5.5%
The $200,000+ bracket accounts for 35% of 80231's total adjusted gross income, from 5% of returns — a concentration that drives the gap between the median ($48,059) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 80231's IRS income metrics, 2020–2022.

Median income (2021→2022)
$48,059
▲ 6.6%
Filers earning $200K+
5.5%
▲ 0.2 pt
Total filers
17,890
▼ 1.3%
GET /zipc/v2/zipcodes/80231/soi?year=… $42K 2020 $45K 2021 $48K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 80231 ZCTA.

2000
51,891
 
2010
32,127
▼ -38.1%
2020
36,014
▲ +12.1%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 80231. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 80231

Denver and its immediate neighbors, sorted by distance.

3 mi
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Distance from 80231 to any ZIP

Enter a 5-digit ZIP to calculate the distance.

06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortB
USPS Finance Number072358
City AliasesDenver

07Frequently Asked Questions

What county is ZIP code 80231 in?

ZIP code 80231 is in Denver County, Colorado (county FIPS code 08031).

What city is ZIP code 80231?

The primary USPS city for 80231 is Denver, CO.

What metro area (MSA) is 80231 in?

80231 is part of the Denver-Aurora-Lakewood, CO Metro Area (MSA code 19740).

What is the population of ZIP code 80231?

The 2020 Census population of 80231 was 36,014 residents.

What is the median income in ZIP code 80231?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 80231 is about $48,059, with around 5% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.