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New Castle town, Colorado Demographics & Population 2026

As of 2026, New Castle town, Colorado has a total population of 4,878, the 119th largest city in Colorado, with a median household income of $88,421, which is 4% lower than the state average. The poverty rate is 6.5%.

Key Takeaways

New Castle town Quick Facts

Population 4,878
Median Household Income $88,421
Median Home Value $488,600
Poverty Rate 6.5%
Unemployment Rate 1.3%
Median Age 37.4 years
Homeownership Rate 70.8%
Affordability Ratio 5.5x
Bachelor's Degree or Higher 36.4%
High School Graduation Rate 94.9%
Diversity Index 49/100
Population 4,878 119th of 471
Median Income $88,421 average
Poverty Rate 6.5% 48% lower national
Median Home Value $488,600 above average

How New Castle town Compares

Economy & Housing

Employment

1.3% Unemployment Rate State: 4.5% | National: 5.2%
58.7% Labor Force Participation

Housing Overview

Owner 70.8%
Renter 29.2%
Affordability Index Expensive
5.5x home value to income ratio

People & Demographics

Diversity Index

49out of 100
Moderate Diversity

Moderate diversity with one or two groups making up the majority.

State average: 51 | National average: 60

Education

New Castle town Rankings in Colorado

#119 Population of 471
#166 Median Income of 471
#209 Education of 471
#150 Home Value of 471

Cities Similar to New Castle town

These cities in the same state have comparable population and economic profiles.

CityPopulationMedian IncomeHome ValueBachelor's+Poverty
Meridian CDP5,058$90,496$571,60045.9%5.8%
West Pleasant View CDP5,221$89,352$454,00032.6%16.5%
Shaw Heights CDP5,309$89,125$452,70023.4%7.4%
Manitou Springs city4,796$76,550$545,80053.4%9.8%
Dove Valley CDP5,313$85,772$425,90043.4%13.3%

Population Overview

New Castle town is a small community located in Colorado. The total population is 4,878. It ranks as the 119th most populous out of 471 cities and towns in Colorado.

Age Demographics

The median age in New Castle town is 37.4 years. This is about average than the state median of 37.5 years. With 28.3% of the population under 18, New Castle town has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in New Castle town is $88,421. This is 4% lower than the state median of $92,470. Compared to the national median of $78,538, household income here is 13% higher. The poverty rate stands at 6.5%. This is 30% lower than the state poverty rate of 9.4%. The unemployment rate is 1.3%. This is 71% lower than the state rate of 4.5%. The median home value is $488,600. Housing costs are 3% lower than the state median of $502,200. The home-value-to-income ratio is 5.5x. 70.8% of occupied housing units are owner-occupied. This homeownership rate is 7% higher than the state average of 66.3%.

Race & Ethnicity

The largest racial or ethnic group in New Castle town is White (non-Hispanic), making up 65.2% of the population. Hispanic or Latino residents account for 29.1%. The Asian population (1.0%) is well below the state average of 3.2%.

Education

36.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 19% lower than the state rate of 44.7%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.9%.

Data Sources & Methodology

All demographic data for New Castle town, Colorado is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Colorado state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 471 Census-designated places in Colorado. For official data, visit data.census.gov.

Free data download: Get all Colorado city and county demographics as CSV. Download Cities CSV | Download Counties CSV

Frequently Asked Questions

What is the population of New Castle town, Colorado?

New Castle town, Colorado has a population of 4,878 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in New Castle town, CO?

The median household income in New Castle town is $88,421, which is 13% higher the national median of $78,538.

What is the poverty rate in New Castle town, CO?

The poverty rate in New Castle town is 6.5%. This means approximately 318 residents live below the federal poverty line.

What is the racial makeup of New Castle town, Colorado?

New Castle town's population is 65.2% White, 0.0% Black, 29.1% Hispanic/Latino, and 1.0% Asian.

What is the median home value in New Castle town, CO?

The median home value in New Castle town is $488,600. The home-value-to-income ratio is 5.5x.

How educated is New Castle town, Colorado?

36.4% of adults (25+) in New Castle town hold a bachelor's degree or higher, and 11.1% hold a graduate or professional degree.