80103 ZIP Code, Byers, CO
80103 is a ZIP code in Byers, Colorado — mostly in Adams County (67% of its land), with smaller parts in Arapahoe County. It covers 368 square miles of land. The closest ZIP codes are 80136, 80105 and 80102. 3,215 people live here in 995 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (80%). Median household income is $102,656, close to the Colorado median of $95,470; 43% of households have children under 18.
Quick facts
- Mailing city: Byers, CO
- County: Adams County
- Land area: 368 sq mi
- Population: 3,215
- Median household income: $102,656
- Carrier routes: 4 (863 homes)
Key figures
| Measure | Value |
|---|---|
| Residents | 3,215 |
| Households | 995 |
| Median household income | $102,656 |
| Income per person | $37,117 |
| Median age | 32 |
| Homeowners | 80.0% |
| Median home value | $501,900 |
| Median rent | $1,860 |
| Bachelor's degree or higher | 18.9% |
| Average commute (minutes) | 42.5 |
| Households with kids under 18 | 42.7% |
| Moved in the past year | 8.4% |
| Below the poverty line | 9.2% |
| Broadband internet | 91.8% |
| Speak a non-English language at home | 4.1% |
Household income
| % of households | Value |
|---|---|
| <$10K | 6.0% |
| $10–15K | 0.0% |
| $15–25K | 2.0% |
| $25–35K | 3.4% |
| $35–50K | 10.4% |
| $50–75K | 17.4% |
| $75–100K | 9.2% |
| $100–150K | 29.2% |
| $150–200K | 11.7% |
| $200K+ | 10.7% |
Age
| % of all residents | Value |
|---|---|
| <10 | 15.5% |
| 10–19 | 22.4% |
| 20–24 | 5.8% |
| 25–34 | 9.9% |
| 35–44 | 15.5% |
| 45–54 | 11.9% |
| 55–64 | 10.0% |
| 65–74 | 5.8% |
| 75+ | 3.3% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 58.3% |
| Owned outright | 16.5% |
| Rented | 18.6% |
| Vacant | 6.6% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 84.5% |
| Townhome | 1.2% |
| 2–4 units | 1.6% |
| 5–19 units | 0.0% |
| 20+ units | 0.0% |
| Mobile / other | 12.7% |
Businesses in 80103
38 business establishments with 192 employees (ZIP Codes Business Patterns 2023).
- Construction: 14
- Other Services (except Public Administration): 8
- Retail Trade: 5
- Transportation and Warehousing: 3
EDDM carrier routes
80103 has 4 USPS carrier routes with 863 residential and 27 business mailboxes. Open the EDDM route map.
Carrier routes in 80103
80103 has 4 USPS carrier routes (4 highway contract (H)) with 863 residential and 27 business mailboxes. Routes range from 141 homes (H059) to 278 homes (H060); the median route has 222 homes. The Census counted 995 households in 80103 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.
| Homes per route | Routes |
|---|---|
| 1–249 | 2 |
| 250–499 | 2 |
| 500–749 | 0 |
| 750–999 | 0 |
| 1,000–1,499 | 0 |
| 1,500+ | 0 |
Best routes in 80103 for…
Most businesses
For B2B offers: office supplies, cleaning, IT, catering and commercial services.
- Route H051 — USPS business mailboxes 11, 180 homes
- Route H059 — USPS business mailboxes 9, 141 homes
- Route H052 — USPS business mailboxes 6, 264 homes
- Route H060 — USPS business mailboxes 1, 278 homes
Select these 4 routes on the route map
Every carrier route in 80103
| Route | Type | Homes | Businesses | Est. median income | Est. owners | Est. families with kids | Est. moved in past year |
|---|---|---|---|---|---|---|---|
| H051 | Highway contract | 180 | 11 | $144,740 | — | — | — |
| H052 | Highway contract | 264 | 6 | $121,791 | — | — | — |
| H059 | Highway contract | 141 | 9 | $111,281 | — | — | — |
| H060 | Highway contract | 278 | 1 | $79,987 | — | — | — |
Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 80103 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
- 80136 — Comanche Creek CDP, CO (9.9 mi)
- 80105 — Deer Trail town, CO (12.6 mi)
- 80102 — Bennett town, CO (18.7 mi)
- 80654 — Wiggins town, CO (23.8 mi)
Areas that include 80103
- Byers, CO ZIP codes — 1 ZIP code
- Peoria, CO ZIP codes — 1 ZIP code
- Adams County ZIP codes — 30 ZIP codes
- Arapahoe County ZIP codes — 26 ZIP codes
- Colorado ZIP code data
Where it ranks
- No. 9 of 29: highest share of owner-occupied homes in Adams County
- No. 3 of 29: highest share of households with children in Adams County
- No. 6 of 29: lowest median age in Adams County
Mail every home in 80103
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) 80103, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 80103 in?
- 80103 is a Byers, CO mailing address. By land area, 4% lies inside Peoria and 3% lies inside Byers; the rest is outside any Census-defined city or community.
- What county is 80103 in?
- 80103 is mostly in Adams County (67% of its land), with smaller parts in Arapahoe County.
- What is the population of 80103?
- About 3,215 people (±815), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 2,704.
- What is the median household income in 80103?
- $102,656 (±$18,441), 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 80103?
- 4 USPS carrier routes with 863 residential and 27 business mailboxes (889 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
- What ZIP codes are near 80103?
- The closest, measured center to center: 80136 (9.9 mi, Comanche Creek), 80105 (12.6 mi, Deer Trail), 80102 (18.7 mi, Bennett) and 80654 (23.8 mi, Wiggins).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.