New Castle, CO
Population 4,878 · Colorado
About New Castle, CO
New Castle is a small town located in Colorado with a population of 4,878 residents according to the latest US Census Bureau American Community Survey data. The median household income is $88,421 per year, which is 18% above the national median of $75,149. The median age of 37.4 years is close to the US median age of 38.9 years.
Housing Market Overview
The housing market in New Castle features a median home value of $488,600, which is 100% above the national median of $244,900. This places New Castle in a higher-cost housing market, where property demand often outpaces supply. Median monthly rent is $1,627, 40% above the national average of $1,163/month. Of the 1,901 total housing units, 71% are owner-occupied (1,325 units) and 29% are renter-occupied (547 units). The high homeownership rate suggests a stable, established residential community.
Economy & Employment
The local economy in New Castle shows an unemployment rate of 1.3%, which is lower than the national rate of 3.7%, indicating a relatively strong job market. The poverty rate stands at 6.5%, below the national average of 12.4%, reflecting generally favorable economic conditions. Workers in New Castle have an average one-way commute time of 31.8 minutes.
Education & Demographics
36.4% of New Castle residents aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. This is in line with national trends in educational attainment. The community's demographic composition includes 21.6% White, 2.5% Hispanic or Latino, 0.0% Black or African American, and 7.5% Asian residents, with 13.9% of the population being foreign-born.
How New Castle Ranks in Colorado
Cost of Living in New Castle, CO
Compared to national averages, New Castle has a median household income of $88,421 (18% above the national median of $75,149). Home values average $488,600, which is 100% above the national median. Monthly rent at $1,627 is 40% above the US average of $1,163. Within Colorado, New Castle's income is 0% below the state average of $88,514, and home values are 7% above the state median of $457,127.
Why Live in New Castle, CO?
New Castle offers a strong local economy with a median household income of $88,421, well above the national average, and a strong job market with an unemployment rate of just 1.3%, and a well-educated community where 36.4% of residents hold a bachelor’s degree or higher. Additionally, the city features a low poverty rate of 6.5%, better than the national average.
Potential considerations include a competitive housing market where the typical home costs $488,600. However, New Castle’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
New Castle has a population of 4,878 with a median age of 37.4 years. Compare New Castle with other cities to see how it stacks up, or explore all cities in Colorado.
Similar Cities Near New Castle
Cities in Colorado with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Edgewater | 4,955 | $74,320 | $603,400 | Compare |
| Manitou Springs | 4,796 | $76,550 | $545,800 | Compare |
| Breckenridge | 5,001 | $132,666 | $757,100 | Compare |
| Vail | 4,729 | $103,705 | $1,040,100 | Compare |
| Meridian | 5,058 | $90,496 | $571,600 | Compare |
| Todd Creek | 5,069 | $185,417 | $856,800 | Compare |
| Silverthorne | 4,657 | $114,185 | $691,300 | Compare |
| West Pleasant View | 5,221 | $89,352 | $454,000 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Colorado
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
Compare New Castle With Other Cities
Frequently Asked Questions about New Castle
What is the population of New Castle, CO?
The population of New Castle, CO is 4,878 according to the latest US Census Bureau American Community Survey estimates. This makes it a small town in Colorado.
What is the median household income in New Castle?
The median household income in New Castle, CO is $88,421 per year, which is 18% above the national median of $75,149.
What is the median home value in New Castle?
The median home value in New Castle, CO is $488,600, which is 100% above the national median of $244,900. The majority of housing units are owner-occupied.
What is the average rent in New Castle?
The median monthly rent in New Castle, CO is $1,627, which is 40% above the national average of $1,163/month.
What is the unemployment rate in New Castle?
The unemployment rate in New Castle, CO is 1.3%, compared to the national average of 3.7%. This lower-than-average rate suggests a relatively healthy local job market.
Is New Castle, CO a good place to live?
New Castle offers above-average incomes, a competitive housing market, and a strong job market. With a population of 4,878 and a median age of 37.4, the city appeals to a broad range of residents.
How educated is New Castle, CO?
36.4% of residents in New Castle aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. This above-average educational attainment often reflects a knowledge-based local economy.
What is the cost of living in New Castle?
Key cost-of-living indicators for New Castle, CO: median home value is $488,600 (100% above national), median rent is $1,627/month, and median household income is $88,421. The home-value-to-income ratio is 5.5x, a moderate figure by national standards.
What is the poverty rate in New Castle?
The poverty rate in New Castle, CO is 6.5%, compared to the national average of 12.4%. This below-average poverty rate reflects generally favorable economic conditions in the community.
How diverse is New Castle, CO?
New Castle's population is 21.6% White, 2.5% Hispanic or Latino, 0.0% Black or African American, 7.5% Asian, and 0.0% two or more races. 13.9% of residents are foreign-born.