Residential delivery area · Colorado
ZIP Code 81647: New Castle, CO
ZIP code 81647 uses the postal name New Castle, Colorado and lies entirely in Garfield County (Census 2020 ZIP-county file). About 6,900 people live there (Census Bureau, ACS 2020-2024). Median household income is $78,352 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in New Castle; more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- New Castle · its only residential ZIP
- County
- Garfield County
- Census places
- New Castle
- Micro area
- Rifle, CO
- House district
- CO-3 119th Congress
- State
- Colorado
- Time zone
- Mountain
- Land area
- 284.9 sq mi · 24 people per sq mi
Where is ZIP code 81647?
81647 centers on 39.579°, -107.533° and covers 284.9 square miles of land plus 0.7 of water. It borders 6 ZIP codes: 81601, 81652, 81623, 81624, 81650, 81641.
The map draws ZIP code areas only. For the streets inside 81647, 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 81647 compare with the rest of Garfield County?
| Measure | 81647 | In Garfield County | In CO |
|---|---|---|---|
| People (ACS 2020-2024) | 6,882 | 6th of 8 | 200th of 527 |
| Median household income | $78k | 6th of 8 | 188th of 277 |
| Median home value | $456k | 5th of 8 | 186th of 311 |
Its median household income is higher than in 60% of U.S. residential ZIP codes, and it is denser than 29% 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 81647?
The 2020 Census counted 7,445 people in 81647; the ACS, which samples households over 2020-2024, estimates 6,882. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 6,882
- 2020 Census count
- 7,445
- Households
- 2,720
- Median age
- 35.0
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 81647?
Of the 6,882 people the ACS estimates in 81647, 26.2% are under 18 and 15.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (59.0%), then Hispanic or Latino (37.0%).
- Under 1826.2%
- 18 to 6457.9%
- 65 and older15.9%
- White, not Hispanic59.0%
- Hispanic or Latino37.0%
- Other or two or more4.1%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
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 81647 earn?
Median household income is $78,352 (ACS 2020-2024), the 6th highest of the 8 ranked ZIP codes in Garfield County.
- Median household income
- $78,352±$16,470
- Income per person
- $37,341
- Below the poverty line
- 9.9%
- Unemployed (of the labor force)
- 2.6%
- Adults 25+ with a bachelor's degree
- 29.0%
- Adjusted gross income per tax return, 2022
- $79,9373,460 returns; wages 68% 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 81647?
FHFA's house price index for 81647, built from repeat sales and appraisals of the same homes, rose 127% from 2015 to 2025 and rose 68% from 2020 to 2025, and moved +5.5% in 2025.
- Median home value (owners' estimate)
- $456,200
- Median gross rent
- $1,520
- Homes owned by their occupants
- 75.0%
- Housing units
- 2,868
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 81647?
204 business establishments had a location in this ZIP code in 2023, 18 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction77
- Administrative and support and waste management and remediation services16
- Accommodation and food services14
- Retail trade13
- Other services (except public administration)13
- Professional, scientific, and technical services12
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 81647?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 81601 | Glenwood Springs | 16,844 | $109k | 10.4 mi |
| 81652 | Silt | 6,271 | $101k | 10.8 mi |
| 81623 | Carbondale | 15,067 | $110k | 30.3 mi |
| 81624 | Collbran | 1,492 | $92k | 31.1 mi |
| 81650 | Rifle | 14,083 | $81k | 33.1 mi |
| 81641 | Meeker | 3,621 | $63k | 39.6 mi |
| 81637 | Gypsum | 10,744 | $109k | 26.5 mi (near) |
| 81635 | Parachute | 7,486 | $73k | 28.6 mi (near) |
| 80426 | Burns | 102 | $96k | 35.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.