80129 ZIP Code, Littleton, CO
80129 is a ZIP code in Littleton, Colorado in Douglas County. It covers 7.0 square miles of land. The closest ZIP codes are 80126, 80120 and 80122. 30,223 people live here in 12,510 households. At about 4,293 people per square mile it is built up to city-neighborhood density, and owners and renters are mixed (69% own). Median household income is $141,667, above the Colorado median of $95,470.
Quick facts
- Mailing city: Littleton, CO
- County: Douglas County
- Land area: 7.0 sq mi
- Population: 30,223
- Median household income: $141,667
- Carrier routes: 15 (13,526 homes)
Key figures
| Measure | Value |
|---|---|
| Residents | 30,223 |
| Households | 12,510 |
| Median household income | $141,667 |
| Income per person | $68,770 |
| Median age | 41.2 |
| Homeowners | 69.0% |
| Median home value | $663,800 |
| Median rent | $2,421 |
| Bachelor's degree or higher | 64.3% |
| Average commute (minutes) | 23.8 |
| Households with kids under 18 | 29.9% |
| Moved in the past year | 17.7% |
| Below the poverty line | 3.3% |
| Broadband internet | 96.9% |
| Speak a non-English language at home | 8.3% |
Household income
| % of households | Value |
|---|---|
| <$10K | 2.5% |
| $10–15K | 1.8% |
| $15–25K | 1.4% |
| $25–35K | 3.0% |
| $35–50K | 5.7% |
| $50–75K | 6.4% |
| $75–100K | 10.1% |
| $100–150K | 22.9% |
| $150–200K | 18.0% |
| $200K+ | 28.1% |
Age
| % of all residents | Value |
|---|---|
| <10 | 9.7% |
| 10–19 | 13.0% |
| 20–24 | 6.0% |
| 25–34 | 14.3% |
| 35–44 | 12.6% |
| 45–54 | 15.0% |
| 55–64 | 13.3% |
| 65–74 | 7.6% |
| 75+ | 8.6% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 50.2% |
| Owned outright | 16.8% |
| Rented | 29.7% |
| Vacant | 3.2% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 60.3% |
| Townhome | 7.1% |
| 2–4 units | 2.8% |
| 5–19 units | 13.1% |
| 20+ units | 16.7% |
| Mobile / other | 0.0% |
Businesses in 80129
898 business establishments with 13,530 employees (ZIP Codes Business Patterns 2023).
- Professional, Scientific, and Technical Services: 179
- Health Care and Social Assistance: 118
- Real Estate and Rental and Leasing: 91
- Finance and Insurance: 82
- Accommodation and Food Services: 77
- Retail Trade: 63
- Other Services (except Public Administration): 61
- Construction: 43
EDDM carrier routes
80129 has 15 USPS carrier routes with 13,526 residential and 636 business mailboxes. Open the EDDM route map.
Carrier routes in 80129
80129 has 15 USPS carrier routes (12 city (C), 3 rural (R)) with 13,526 residential and 636 business mailboxes. Routes range from 360 homes (R017) to 1,737 homes (C057); the median route has 877 homes. The Census counted 12,510 households in 80129 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.
| Homes per route | Routes |
|---|---|
| 1–249 | 0 |
| 250–499 | 1 |
| 500–749 | 4 |
| 750–999 | 5 |
| 1,000–1,499 | 4 |
| 1,500+ | 1 |
Best routes in 80129 for…
Most businesses
For B2B offers: office supplies, cleaning, IT, catering and commercial services.
- Route C048 — USPS business mailboxes 284, 543 homes
- Route C030 — USPS business mailboxes 98, 1,072 homes
- Route C049 — USPS business mailboxes 60, 1,207 homes
- Route R031 — USPS business mailboxes 58, 588 homes
- Route R017 — USPS business mailboxes 55, 360 homes
Select these 5 routes on the route map
Every carrier route in 80129
| Route | Type | Homes | Businesses | Est. median income | Est. owners | Est. families with kids | Est. moved in past year |
|---|---|---|---|---|---|---|---|
| C011 | City | 1,129 | 34 | $125,950 | — | — | — |
| C014 | City | 820 | 2 | $157,315 | — | — | — |
| C015 | City | 972 | 0 | $159,838 | — | — | — |
| C017 | City | 877 | 1 | $122,209 | — | — | — |
| C025 | City | 757 | 0 | $156,628 | — | — | — |
| C030 | City | 1,072 | 98 | $191,240 | — | — | — |
| C035 | City | 729 | 27 | $170,447 | — | — | — |
| C037 | City | 1,066 | 1 | $125,950 | — | — | — |
| C048 | City | 543 | 284 | $101,332 | — | — | — |
| C049 | City | 1,207 | 60 | $101,332 | — | — | — |
| C050 | City | 961 | 1 | $191,151 | — | — | — |
| C057 | City | 1,737 | 7 | $86,165 | — | — | — |
| R016 | Rural | 708 | 8 | $118,389 | — | — | — |
| R017 | Rural | 360 | 55 | $200,001+ | — | — | — |
| R031 | Rural | 588 | 58 | $86,165 | — | — | — |
Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 80129 on the EDDM route map.
How route demographics are estimated
Mailbox counts come from USPS; demographics are estimates
The number of homes and businesses on each carrier route is the current USPS EDDM count. The Census Bureau does not publish figures for carrier routes, so income, homeownership, ages, families, movers and housing age on a route are EDDM2GO estimates built from Census block groups (neighborhood areas of roughly 600 to 3,000 people).
How a route gets its figures: the block-group length-share method
We trace each route's streets every 25 meters and record which block group each stretch falls in. The route's homes are spread along its streets in proportion to length, so a route with 60% of its street length in one block group is assumed to have 60% of its homes there. Each block group then contributes its Census counts in proportion to the share of its housing units that sit on the route (capped at the whole block group). Medians are recalculated from the combined income, home-value and age brackets, the way the Census Bureau computes them, not averaged.
Margins of error
Census survey figures carry a margin of error at 90% confidence; we carry it through the calculation and show it as ±. Our margins treat the route-to-block-group split as exact, so the real uncertainty is larger. Routes with fewer than 100 estimated households, large margins, or streets we could not place are flagged.
Different years
USPS mailbox counts are current. Census figures are 5-year averages for 2020–2024, so a new subdivision may have more homes on the route today than the Census counted. Use the route figures to compare routes with each other, not as an exact head count.
Why some routes show identical figures
Two routes that run through the same block group get the same percentages and medians, because the Census publishes one set of figures for the whole block group. Their mailbox counts still differ, and those are exact.
Route and mailbox counts: USPS EDDM route data. Route demographics: EDDM2GO estimates from U.S. Census Bureau American Community Survey 5-year block-group data (2020–2024) and 2024 cartographic block-group boundaries. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
Nearby ZIP codes
- 80126 — Highlands Ranch CDP, CO (2.6 mi)
- 80120 — Littleton city, CO (3.2 mi)
- 80122 — Centennial city, CO (3.8 mi)
- 80128 — Columbine CDP, CO (3.8 mi)
- 80130 — Highlands Ranch CDP, CO (4.8 mi)
- 80131 — Louviers CDP, CO (4.9 mi)
- 80125 — Roxborough Park CDP, CO (5 mi)
- 80121 — Centennial city, CO (5.4 mi)
Areas that include 80129
- Highlands Ranch, CO ZIP codes — 3 ZIP codes
- Littleton, CO ZIP codes — 10 ZIP codes
- Douglas County ZIP codes — 15 ZIP codes
- Colorado ZIP code data
Where it ranks
- No. 3 of 14: highest share of residents who moved in during the past year in Douglas County
- No. 5 of 14: highest median age in Douglas County
- No. 5 of 10: highest median household income in Littleton, CO
- No. 1 of 10: highest share of residents who moved in during the past year in Littleton, CO
- No. 4 of 10: lowest median age in Littleton, CO
- No. 5 of 10: fastest population growth in Littleton, CO
Mail every home in 80129
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 80129, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 80129 in?
- 80129 is a Littleton, CO mailing address. By land area, 97% lies inside Highlands Ranch and 3% lies inside Littleton.
- What county is 80129 in?
- 80129 is in Douglas County.
- What is the population of 80129?
- About 30,223 people (±1,535), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 29,703.
- What is the median household income in 80129?
- $141,667 (±$10,523), compared with $95,470 for Colorado as a whole. Half the households in the ZIP code earn more and half earn less.
- How many carrier routes and mailboxes are in 80129?
- 15 USPS carrier routes with 13,526 residential and 636 business mailboxes (14,163 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
- What ZIP codes are near 80129?
- The closest, measured center to center: 80126 (2.6 mi, Highlands Ranch), 80120 (3.2 mi, Littleton), 80122 (3.8 mi, Centennial), 80128 (3.8 mi, Columbine), 80130 (4.8 mi, Highlands Ranch) and 80131 (4.9 mi, Louviers).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.