Residential delivery area · Colorado
ZIP Code 80129: Highlands Ranch (Littleton), CO
ZIP code 80129 is in Highlands Ranch (postal name Littleton), Colorado, entirely in Douglas County (Census 2020 ZIP-county file). About 30,000 people live there (Census Bureau, ACS 2020-2024), the 6th most populous of Littleton's 10 residential ZIP codes. Median household income is $141,667 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Highlands Ranch (a census-designated place), and 3% in smaller places.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Littleton · 10 residential ZIPs
- County
- Douglas County
- Census places
- Highlands Ranch census-designated place
- Metro area
- Denver-Aurora-Centennial, CO
- House district
- CO-4 119th Congress
- State
- Colorado
- Time zone
- Mountain
- Land area
- 7.0 sq mi · 4,293 people per sq mi
Where is ZIP code 80129?
80129 centers on 39.547°, -105.012° and covers 7.0 square miles of land plus 0.0 of water. It borders 4 ZIP codes: 80126, 80120, 80122, 80125.
The map draws ZIP code areas only. For the streets inside 80129, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 80129 compare with the rest of Littleton?
| Measure | 80129 | In Littleton | In Douglas County | In CO |
|---|---|---|---|---|
| People (ACS 2020-2024) | 30,223 | 6th of 10 | 8th of 18 | 79th of 527 |
| Median household income | $142k | 5th of 10 | 11th of 16 | 23rd of 277 |
| Median home value | $664k | 6th of 10 | 14th of 17 | 78th of 311 |
Its median household income is higher than in 95% of U.S. residential ZIP codes, and it is denser than 92% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 80129?
The 2020 Census counted 29,703 people in 80129; the ACS, which samples households over 2020-2024, estimates 30,223. Between the 2010 and 2020 censuses its population grew 10.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 30,223
- 2020 Census count
- 29,703+10.0% since 2010 (27,007)
- Households
- 12,510
- Median age
- 41.2
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 80129?
Of the 30,223 people the ACS estimates in 80129, 20.7% are under 18 and 16.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (79.7%), then Hispanic or Latino (11.1%).
- Under 1820.7%
- 18 to 6463.1%
- 65 and older16.2%
- White, not Hispanic79.7%
- Hispanic or Latino11.1%
- Asian, not Hispanic4.9%
- Other or two or more4.1%
- Black, not Hispanic0.3%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 80129 earn?
Median household income is $141,667 (ACS 2020-2024), the 11th highest of the 16 ranked ZIP codes in Douglas County. It is not measurably different from 2015-2019 ($145,175 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $141,667
- Income per person
- $68,770
- Below the poverty line
- 3.3%
- Unemployed (of the labor force)
- 3.2%
- Adults 25+ with a bachelor's degree
- 64.3%
- Adjusted gross income per tax return, 2022
- $132,06616,230 returns; wages 67% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 80129?
FHFA's house price index for 80129, built from repeat sales and appraisals of the same homes, rose 83% from 2015 to 2025 and rose 40% from 2020 to 2025, and moved +1.0% in 2025.
- Median home value (owners' estimate)
- $663,800
- Median gross rent
- $2,421
- Homes owned by their occupants
- 69.0%
- Housing units
- 12,929
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 80129?
898 business establishments had a location in this ZIP code in 2023, 47 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services179
- Health care and social assistance118
- Real estate and rental and leasing91
- Finance and insurance82
- Accommodation and food services77
- Retail trade63
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 80129?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 80126 | Littleton | 44,882 | $170k | 2.6 mi |
| 80120 | Littleton | 29,725 | $94k | 3.2 mi |
| 80122 | Littleton | 32,195 | $129k | 3.8 mi |
| 80125 | Littleton | 15,630 | $180k | 5.0 mi |
| 80128 | Littleton | 36,712 | $121k | 3.8 mi (near) |
| 80130 | Littleton | 24,719 | $159k | 4.8 mi (near) |
| 80131 | Louviers | 276 | $107k | 4.9 mi (near) |
| 80121 | Littleton | 18,029 | $142k | 5.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.