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US ZIP Code Profile

ZIP Code 80204
Denver, Colorado

ZIP code 80204 is in Denver, located in Denver County, Colorado, within the Denver-Aurora-Lakewood metro area. Its 2020 Census population was 35,269. The estimated median adjusted gross income per tax return is $55,499, and about 7% of filers report $200,000 or more.

2020 Population
35,269
Census ZCTA
County
Denver
FIPS 08031
Median income (est.)
$55,499
IRS SOI 2022
Land Area
5.56 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
Coordinates39.734837, -105.02039
Land / Water Area5.56 mi² land · 0 mi² water

02Income & Economics

Distribution of the 19,790 individual tax returns filed in 80204 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
22.7%
$25K–$50K
23.2%
$50K–$75K
18.5%
$75K–$100K
11.5%
$100K–$200K
16.9%
$200K+
7.2%
The $200,000+ bracket accounts for 34% of 80204's total adjusted gross income, from 7% of returns — a concentration that drives the gap between the median ($55,499) 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 80204's IRS income metrics, 2020–2022.

Median income (2021→2022)
$55,499
▲ 11.5%
Filers earning $200K+
7.2%
▲ 0.5 pt
Total filers
19,790
▲ 4.2%
GET /zipc/v2/zipcodes/80204/soi?year=… $44K 2020 $50K 2021 $55K 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 80204 ZCTA.

2000
32,789
 
2010
31,493
▼ -4.0%
2020
35,269
▲ +12.0%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 80204. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 80204

Denver and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 80204 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 SortD
USPS Finance Number072358
City AliasesDenver

07Frequently Asked Questions

What county is ZIP code 80204 in?

ZIP code 80204 is in Denver County, Colorado (county FIPS code 08031).

What city is ZIP code 80204?

The primary USPS city for 80204 is Denver, CO.

What metro area (MSA) is 80204 in?

80204 is part of the Denver-Aurora-Lakewood, CO Metro Area (MSA code 19740).

What is the population of ZIP code 80204?

The 2020 Census population of 80204 was 35,269 residents.

What is the median income in ZIP code 80204?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 80204 is about $55,499, with around 7% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.