80129
ZIP 80129 is in Littleton, Colorado, mostly in Douglas County; area codes 303, 720 and 983; Mountain time. Littleton has 16 ZIP codes in all.
- Type
- Standard
- Time zone
- America/Denver
- County
- Douglas +1 more
- Metro area
- Denver-Aurora-Centennial, CO
- Population
- 30,223
- Coordinates
- 39.5469, -105.0116
Weather right now
Asking the National Weather Service…
Where 80129 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 80129 into a pocket calculator and turn it upside down: GZIOB — not quite a word, sorry.
- ➕ As a number, 80,129 = 7 × 11447. Its digits add up to 20, a total 2,586 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10011100100000001 - 🏠 Its numerical neighbours: 80128 (Littleton, CO, 4 mi away) and 80130 (Littleton, CO, 5 mi away).
- 🔄 Backwards, 80129 becomes 92108 — and that is a real ZIP code: San Diego, CA, 822 miles away.
- 👥 59 other ZIP codes are made of exactly the same digits (01982, 02189, 02891, 02918, 08219, 09128, …). The farthest-flung twin is 09812 in APO AE, a military post office, 7,373 miles away.
- 🧭 Farther north than 53% of all ZIP codes, and farther west than 83%.
- 🎯342 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 80129 and you would come out at 39.55°S, 74.99°E — 717 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 58m of daylight. Shortest: 9h 22m.
- 📏 At 7.0 square miles of land, 80129 is bigger than 23% of ZIP codes — room for about 5.3 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 30,223This ZIP30,223 |
|---|---|
| Households | 12,510This ZIP12,510 |
| Housing units | 12,929This ZIP12,929 |
| Median age | 41.2This ZIP41.2Colorado37.7US 38.9 |
| Median household income | $141,667This ZIP$141,667Colorado$95,470US $80,734 |
| Median home value | $663,800This ZIP$663,800Colorado$539,400US $332,700 |
| Median gross rent | $2,421This ZIP$2,421Colorado$1,761US $1,413 |
| Bachelor's degree or higher | 64.3%This ZIP64.3% |
| Mean commute | 23.8 minThis ZIP23.8 min |
| Population density | 4,293.0 / sq miThis ZIP4,293.0 / sq mi |
Business and tax activity
| Business establishments | 898This ZIP898 |
|---|---|
| Employees | 13,530This ZIP13,530 |
| Annual payroll | $1,104,984,000This ZIP$1,104,984,000 |
| Tax returns filed | 16,230This ZIP16,230 |
| Total adjusted gross income | $2,143,428,000This ZIP$2,143,428,000 |
Land area
| Land area | 7.04 sq miThis ZIP7.04 sq mi |
|---|---|
| Water area | 0.00 sq miThis ZIP0.00 sq mi |
Counties 80129 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Douglas County | 99.5% |
| Arapahoe County | 0.5% |
Other place names in 80129
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 80129
| ZIP | City | Distance |
|---|---|---|
80126 | Littleton, CO | 2.6 mi |
80120 | Littleton, CO | 3.2 mi |
80128 | Littleton, CO | 3.8 mi |
80122 | Littleton, CO | 3.8 mi |
80160 | Littleton, CO | 4.6 mi |
80161 | Littleton, CO | 4.6 mi |
80165 | Littleton, CO | 4.6 mi |
80166 | Littleton, CO | 4.6 mi |
80130 | Littleton, CO | 4.8 mi |
80131 | Louviers, CO | 4.9 mi |
Find every ZIP code within 10 miles of 80129 →
Questions about this ZIP code
Where is ZIP code 80129?
80129 is in Littleton, Colorado, in Douglas County, part of the Denver-Aurora-Centennial, CO metropolitan area. Its published point location is 39.5469, -105.0116.
What county is 80129 in?
80129 spans 2 counties: Douglas County and Arapahoe County. Most of it falls in Douglas County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 80129?
Littleton uses area codes 303, 720 and 983, from NANPA's telephone records.
What time zone is 80129 in?
80129 uses America/Denver.
How many people live in 80129?
About 30,223 people live in ZIP code 80129, in 12,510 households, at 4,293.0 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 80129?
$141,667 a year, against $95,470 across Colorado.
What ZIP codes are near 80129?
The closest are 80126 (2.6 mi), 80120 (3.2 mi), 80128 (3.8 mi), 80122 (3.8 mi) and 80160 (4.6 mi).
Is 80129 a PO Box ZIP code?
80129 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “80129 ZIP Code — Littleton, Colorado (Douglas County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/80129
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/80129.json Underlying data is public domain or openly licensed — sources, vintages and licences.