New Castle, Colorado
New Castle is a town in Garfield County, Colorado, with an estimated population of 4,866 in 2023. It sits at 39.5776, -107.5265 in the America/Denver time zone.
| Field | Value |
|---|---|
| Place name | New Castle |
| Type | town |
| State | Colorado (CO) |
| County | Garfield County |
| Population (2023 est.) | 4,866 |
| Land area | 2.50 sq mi (6.46 km²) |
| Coordinates | 39.5776, -107.5265 |
| Time zone | America/Denver |
| ZIP codes | 81647 |
ZIP codes and area codes for New Castle
New Castle covers 1 ZIP code: 81647. Browse all ZIP codes in Colorado for the full list.
Where is New Castle?
New Castle is located in Colorado, in Garfield County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.
Nearby places
Silt 11 km · COGlenwood Springs 16 km · CORifle 21 km · COCarbondale 34 km · COBasalt 47 km · COParachute 47 km · COGypsum 49 km · COCollbran 53 km · CO
Other places in Garfield County
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?
The 2023 Census Bureau estimate is 4,866.
What time zone is New Castle in?
New Castle is in the America/Denver time zone.