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US ZIP Code Profile

ZIP Code 80126
Littleton, Colorado

ZIP code 80126 is in Littleton, located in Douglas County, Colorado, within the Denver-Aurora-Lakewood metro area. Its 2020 Census population was 44,221. The estimated median adjusted gross income per tax return is $95,673, and about 24% of filers report $200,000 or more.

2020 Population
44,221
Census ZCTA
County
Douglas
FIPS 08035
Median income (est.)
$95,673
IRS SOI 2022
Land Area
10.727 mi²
+ 0.006 mi² water

01Location & Geography

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

Primary CityLittleton, CO
CountyDouglas County (FIPS 08035)
StateColorado (FIPS 08)
Metro Area (MSA)Denver-Aurora-Lakewood, CO Metro Area (19740)
Census Region / DivisionWest Region · Mountain Division
Coordinates39.540592, -104.95864
Land / Water Area10.727 mi² land · 0.006 mi² water

02Income & Economics

Distribution of the 21,490 individual tax returns filed in 80126 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
20.8%
$25K–$50K
12.1%
$50K–$75K
10.1%
$75K–$100K
8.5%
$100K–$200K
24.4%
$200K+
24.1%
The $200,000+ bracket accounts for 66% of 80126's total adjusted gross income, from 24% of returns — a concentration that drives the gap between the median ($95,673) 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 80126's IRS income metrics, 2020–2022.

Median income (2021→2022)
$95,673
▲ 2.4%
Filers earning $200K+
24.1%
▲ 0.8 pt
Total filers
21,490
▲ 0.8%
GET /zipc/v2/zipcodes/80126/soi?year=… $87K 2020 $93K 2021 $96K 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 80126 ZCTA.

2000
68,492
 
2010
39,698
▼ -42.0%
2020
44,221
▲ +11.4%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 80126. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 80126

Littleton and its immediate neighbors, sorted by distance.

3 mi
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Distance from 80126 to any ZIP

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06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortB
USPS Finance Number075580
City AliasesHighlands Ranch, Littleton, Hghlnds Ranch

07Frequently Asked Questions

What county is ZIP code 80126 in?

ZIP code 80126 is in Douglas County, Colorado (county FIPS code 08035).

What city is ZIP code 80126?

The primary USPS city for 80126 is Littleton, CO.

What metro area (MSA) is 80126 in?

80126 is part of the Denver-Aurora-Lakewood, CO Metro Area (MSA code 19740).

What is the population of ZIP code 80126?

The 2020 Census population of 80126 was 44,221 residents.

What is the median income in ZIP code 80126?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 80126 is about $95,673, with around 24% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.