New Castle ZIP Code List — Garfield County, CO

There is one unique ZIP code in New Castle, Colorado and it is 81647. Area code: 970.
1
ZIP codes
284.85
sq mi land
0.70
sq mi water
970
area code
New Castle, CO ZIP code map

About New Castle, CO

New Castle is a charming town located in the state of Colorado. Nestled within Garfield County, it boasts breathtaking views of the surrounding mountains and a tight-knit community atmosphere. This picturesque town is known for its outdoor activities and vibrant local culture.

Location & geography

New Castle is strategically situated along the banks of the Colorado River, offering stunning landscapes and natural beauty. It is approximately 10 miles from the larger town of Glenwood Springs, 16 miles from the city of Rifle, and 31 miles from Aspen, making it a convenient location for both residents and visitors. The town covers a land area of 284.85 square miles, with a small water area of 0.70 square miles.

Community & economy

The community of New Castle is characterized by its friendly residents and a sense of rural charm. Primarily supported by local industries such as construction, agriculture, and tourism, residents enjoy a balance between work and leisure. Daily life in New Castle often revolves around outdoor activities, local events, and a strong commitment to preserving the town's unique cultural heritage.

Transportation

New Castle is easily accessible via Interstate 70, which runs just north of the town, offering a direct route to neighboring cities and attractions. The nearest airport is the Glenwood Springs Municipal Airport, providing convenient air travel options for residents and visitors alike. Local transportation options are limited, but community events and services help maintain connectivity within the town.

History

New Castle was founded in the late 19th century and has evolved from a small coal mining settlement into a thriving community. Key industries have shifted over the years from mining to construction and tourism, reflecting the town's adaptation to changing economic landscapes. A notable event in its history was the establishment of the New Castle Historical Society, which preserves the town’s rich heritage and stories.

Did you know?

One surprising fact about New Castle is that it was originally named 'Newcastle' but later had its name changed to avoid confusion with another town of the same name in Colorado. Additionally, the town is known for its proximity to beautiful hiking trails and outdoor recreational opportunities that showcase its natural wonders.

ZIP codes for New Castle, CO (1)
ZIP code City County Map
81647 New Castle Garfield View map

Demographics & statistics

6,528
Population
39.0
Median age
$80,874
Median household income
$35,973
Per capita income
$438,200
Median home value
$1,307
Median monthly rent
76.6%
Home ownership
8.1%
Poverty rate
1.9%
Unemployment
2,027
Housing units
36.3%
Bachelor's or higher

Age distribution

Male Female
266
Under 5
249
174
5–9
163
208
10–14
196
267
15–19
250
281
20–24
263
297
25–34
278
494
35–44
464
543
45–54
510
208
55–59
196
172
60–64
162
239
65–74
225
190
75–84
178
28
85+
27
← Male
Female →

Age summary

GroupCount%
Under 181,66025.4%
18 and over4,86874.6%
65 and over88713.6%
Median age39.0 years

Race & ethnicity

White 62.3%
Hispanic or Latino 17.3%
Two or more races 12.1%
Other race 7.7%
Asian 0.6%
GroupCount%
White4,92162.3%
Hispanic or Latino1,36717.3%
Two or more races95312.1%
Other race6077.7%
Asian470.6%

Household income

Under $10k 4.9%
$10k–$15k 1.1%
$15k–$25k 5.1%
$25k–$35k 3.9%
$35k–$50k 14.6%
$50k–$75k 16.3%
$75k–$100k 16.9%
$100k–$150k 16.2%
$150k–$200k 10.2%
$200k+ 10.8%
Range% of households
Under $10k4.9%
$10k–$15k1.1%
$15k–$25k5.1%
$25k–$35k3.9%
$35k–$50k14.6%
$50k–$75k16.3%
$75k–$100k16.9%
$100k–$150k16.2%
$150k–$200k10.2%
$200k+10.8%
Median income$80,874

Housing

Home values

Under $50k 2.3%
$50k–$100k 5.5%
$100k–$150k 3.5%
$150k–$200k 2.7%
$200k–$300k 7.8%
$300k–$500k 44.2%
$500k–$1M 34.1%

Housing overview

MetricValue
Median home value$438,200
Median rent / month$1,307
Owner occupied76.6%
Renter occupied23.4%
Vacant3.3%
Single-family detached67.0%
Large apartment buildings1.3%
Mobile homes10.6%
Median rooms6.1
Avg household size (owned)2.59

Year built

Era%
2020 or later0.4%
2010–20197.5%
2000–200938.5%
1990–199919.6%
1980–198911.6%
1970–197912.4%
1960–19691.5%
1950–19590.0%
1940–19490.0%
1939 or earlier8.4%

Bedrooms

Size% of units
No bedroom (studio)0.8%
1 bedroom3.7%
2 bedrooms20.0%
3 bedrooms45.0%
4 bedrooms24.1%
5+ bedrooms6.3%

Vehicles per household

Vehicles% of households
No vehicle8.0%
1 vehicle26.6%
2 vehicles33.9%
3 or more31.5%

Heating fuel

Fuel type%
Utility gas65.9%
Electricity13.5%
Propane / LP gas6.1%
Wood11.7%
Solar0.5%

Households & families

Household typeCount%
Married-couple family1,33352.6%
Cohabiting couple1134.5%
Male householder, no spouse53221.0%
Female householder, no spouse55521.9%
Households with children under 1894237.2%
Households with seniors (65+)67926.8%
Average household size2.58

Marital status

StatusMaleFemale
Never married38.2%21.8%
Married48.7%51.8%
Separated0.0%2.9%
Widowed0.5%9.7%
Divorced12.7%13.8%

Education

Less than 9th grade 2.9%
Some HS, no diploma 3.5%
HS graduate 30.7%
Some college, no degree 19.9%
Associate's degree 6.7%
Bachelor's degree 26.3%
Graduate / professional 10.0%
Metric%
HS diploma or higher93.6%
Bachelor's or higher36.3%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool29416.3%
Kindergarten472.6%
Elementary school64936.0%
High school41723.2%
College / grad school39421.9%

Employment

Industry of employment

Education & healthcare 17.2%
Retail trade 14.0%
Construction 12.0%
Professional & management 10.3%
Transportation & utilities 7.4%
Other services 7.3%
Arts, food & hospitality 6.8%
Agriculture & mining 6.3%
Wholesale trade 4.5%
Finance & real estate 3.9%
Information 3.6%
Manufacturing 3.5%
Public administration 3.3%

Occupation

Category%
Management, business & arts40.1%
Service13.0%
Sales & office20.0%
Natural resources & construction10.9%
Production & transportation16.0%

Employment type

Type%
Private sector73.1%
Government17.8%
Self-employed9.1%
Unpaid family workers0.0%

Commute

Method%
Drive alone68.0%
Carpool16.6%
Public transit2.7%
Walk2.6%
Other means0.9%
Avg commute (minutes)29.9

Poverty

All people 8.1%
Under 18 years 9.2%
18 and over 7.8%
Married-couple families 3.1%
Female-led households 39.5%

Income support

Source% of households
Social Security28.1%
Retirement income19.8%
Supplemental Security5.4%
Cash public assistance1.5%
Food stamps / SNAP5.2%

Health indicators

Condition%
High blood pressure21.4%
High cholesterol27.3%
Heart disease3.8%
Stroke1.9%
Asthma9.6%
Arthritis17.8%
Kidney disease1.9%
Pulmonary disease4.6%
Cancer4.8%
Behavior / access%
Binge drinking21.5%
No physical activity16.6%
Less than 7 hrs sleep27.3%
Fair or poor health9.8%
Poor mental health14.6%
Poor physical health8.1%
No health insurance15.8%
Visited doctor (checkup)60.4%
Visited dentist61.5%
Cholesterol screening88.4%
Teeth loss10.9%

Veterans & disability

VeteransCount%
Civilian veterans3397.0%
Disability%
Any disability13.7%
Under 180.6%
18–64 years11.8%
65 and over46.9%

Health insurance coverage

Type%
Private insurance61.4%
Public insurance30.0%
Uninsured under 1920.9%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only6,01392.1%
Spanish69311.5%
Other Indo-European66011.0%
Asian & Pacific Islander330.5%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)5,67686.9%
Born in same state5,61686.0%
Born in different state3,00346.0%
Foreign born600.9%
Naturalized citizen85213.1%
Not a US citizen41448.6%

Ancestry

AncestryCount%
French6289.6%
Italian5438.3%
Polish1862.8%
Arab1231.9%
German550.8%
AncestryCount%
English410.6%
Irish230.4%
Dutch150.2%
Norwegian140.2%

Technology access

Metric% of households
Computer access38.8%
Internet access93.6%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions
What is the ZIP code for New Castle, CO?
New Castle, CO has one ZIP code: 81647.
What is the main ZIP code for New Castle, CO?
The primary ZIP code for New Castle, CO is 81647. The city uses area code 970 for phone service.
What county is New Castle, CO in?
New Castle is located in Garfield County, Colorado.
How many ZIP codes are in New Castle, CO?
New Castle, CO has 1 ZIP code.
What ZIP code should I use for mail sent to businesses located in downtown New Castle along Main Street?
All mail to downtown New Castle, including businesses along Main Street, uses the ZIP code 81647, which covers the entire town of New Castle.
What is the ZIP code for the New Castle area near Interstate 70 in Garfield County?
Properties and businesses near Interstate 70 in New Castle are located in ZIP code 81647, which serves all of this Garfield County community.
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