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New Castle, CO
Town in Garfield County, Colorado.
Population
4,880
Land area
2.5sq mi
People per sq mi
1,955
ZIP codes
0
New Castle and its ZIP codes
New Castle at a glance
- New Castle is about 35 times as dense as Colorado as a whole.
- Households here earn a median of $80,084 a year, 16% less than the Colorado figure of $95,470.
- A typical owner-occupied home is valued at $454,300 (16% below Colorado) and median rent is $1,393 a month.
Local data for New Castle, CO
Counts from official public data
Housing and community stats
New Castle, CO, American Community Survey 2020-2024
Median household income
$80,084
Poverty rate
6.2%
Median home value
$454,300
Median rent
$1,393/mo
Homeownership
73.1%
Bachelor's or higher
32.1%
Median age
38.7
Average commute
33.7 min
Largest reported origins and ancestries: Mexican Americans (1,341), German Americans (568), Irish Americans (347).
Economy and federal money
Jobs, pay, income and spending are for Garfield County. PPP loans are for New Castle.
Unemployment rate
3.5%
Sep 2026, +0.5 pts in a year
Average annual pay
$67,435
27,898 jobs, 2025
Income per person
$74,757
BEA, 2024
Federal spending
$359M
FY 2026, $5,814 per person
How people get to work
New Castle, CO, workers 16 and older. American Community Survey 5-year estimates
- Drove alone74.3%
- Carpooled9.4%
- Public transit1.4%
- Walked0.0%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other0.0%
- Worked from home14.9%
Average one-way commute: 33.7 minutes for people who do not work from home.
Environment and hazard risk
New Castle, CO, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: landslide
Storm events since 1996
5,115
Countywide, mostly winter weather
Flood insurance policies
103
0.4% of homes, county
July high / Jan low
88° / 10°F
12.8 inches of rain a year
Health statistics
Share of adults in New Castle, CO, CDC PLACES estimates
Obesity
23.8%
U.S. 33.3% -9.5 pts
Diabetes
7.9%
U.S. 12.1% -4.2 pts
Smoking
11.5%
U.S. 12.8% -1.3 pts
Uninsured (18-64)
11.8%
U.S. 11.1% +0.7 pts
Cities near New Castle
| Name | Distance | Land area (sq mi) |
|---|---|---|
| ChacraCensus-designated place | 4.4 mi | 0.9 |
| SiltTown | 6.8 mi | 1.7 |
| Glenwood SpringsCity | 11 mi | 5.8 |
| No NameCensus-designated place | 13 mi | 0.2 |
| RifleCity | 14 mi | 7 |
| CarbonateTown | 15 mi | 1 |
| Cattle CreekCensus-designated place | 16 mi | 1.3 |
| CarbondaleTown | 21 mi | 2.1 |
| MulfordCensus-designated place | 23 mi | 0.7 |
| CatherineCensus-designated place | 25 mi | 0.9 |
| El JebelCensus-designated place | 26 mi | 5.3 |
| DotseroCensus-designated place | 27 mi | 1.4 |
| Battlement MesaCensus-designated place | 27 mi | 11.2 |
| ParachuteTown | 30 mi | 2.3 |
Frequently asked questions
- What county is New Castle, CO in?
- New Castle is in Garfield County, Colorado.
- What is the population of New Castle, CO?
- About 4,880 people live in New Castle, based on American Community Survey 5-year estimates.
- What cities are near New Castle?
- Nearby places include Chacra (4.4 mi), Silt (6.8 mi), Glenwood Springs (11 mi), No Name (13 mi), Rifle (14 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023