United States › Colorado › New Castle CITY
New Castle Colorado · 4,896 residents (2025 est.) · 2.50 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2020 ACS 2021 ACS 2022 ACS 2023 ACS
The short version
With 4,880 people, New Castle is a city in Colorado. Since 2000 the city has more than doubled, up 2,896 people. There are 1,955 people per square mile. 73% of homes are owner-occupied. Getting to work takes 34 minutes on average. Poverty is uncommon here, at 6.2% of locals.
At a glance
Average income
near the US median
US median: $82,259
Mid-age
median age 38.7
US median: 38.9
Average education
32% hold a bachelor's degree
US average: 36%
Less affordable
home values up 41%, inflation adjusted
US median home: $376,019
Section 01
Population & growth from 1,984 in 2000
4,896 in 2025 (Census Bureau estimate)
1,955 / sq mi
+39%since 2009
from 1,407 / sq mi in 2009
US average: 281
from 30.0 in 2000
US average: 38.9
Population, 1990 – 2024
276 2K 3K 4K 5K 1990 2000 2010 2020 2024 New Castle Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $80,084
−20%inflation adjusted, since 2000
from $55,000 in 2000
US average: $82,259
from $21,356 in 2000
US average: $44,673
Households earning $100K+
from 35.0% in 2009
US average: 53.3%
from 4.4% in 2000
US average: 12.5%
from 0.401 in 2010
US average: 0.476
Workforce by industry, 2024
Professional, scientific, technical 6.4%
Public administration 5.5%
Transportation & warehousing 4.9%
Education & health services 2.2%
Agriculture, forestry, fishing 0%
Arts, entertainment, food 0%
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$454,300
+41%inflation adjusted, since 2000
from $176,400 in 2000
US average: $376,019
$1,393
−5%inflation adjusted, since 2000
from $805 in 2000
US average: $1,442
from 75.6% in 2000
26.9% rent
from 2.1% in 2009
US average: 10.0%
2.41 people
−16%since 2009
from 2.87 people in 2009
US average: 2.54
from 40.7% in 2009
US average: 22.9%
from 64.4% in 2009
US average: 47.4%
from 5.3 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 86.7%(1,721)
Hispanic / Latino 11.9%(236)
2024
White, non-Hispanic 61%(2,978)
Hispanic / Latino 35.5%(1,731)
from 60 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 9 more ancestry groups with data from 32.2% in 2000
US average: 35.6%
High school or higher
from 91.3% in 2000
US average: 89.6%
from 6.2% in 2000
US average: 14.0%
Section 06
Commute & transportation from 27.0 min in 2000
US average: 26.5
from 64.1% in 2009
US average: 68.9%
from 23.8% in 2009
US average: 8.5%
from 3.9% in 2009
US average: 3.2%
from 5.5% in 2009
US average: 15.0%
from 1.7% in 2009
US average: 2.4%
from 0.8% in 2009
US average: 0.4%
from 4.1% in 2009
US average: 8.3%
Section 07
Work & employment from 13.8% in 2011
US average: 5.2%
from 83.9% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 74.2% in 2020
US average: 74.6%
from 13.0% in 2009
US average: 13.1%
from 33.5% in 2009
US average: 42.5%
Section 08
People & community from 19.3% in 2009
US average: 14.1%
from 7.9% in 2009
US average: 6.2%
from 5.8% in 2012
US average: 13.3%
from 36.4% in 2013
US average: 8.4%
100.0%
+11.5 ptssince 2017
from 88.5% in 2017
US average: 91.0%
Computer in household
from 94.0% in 2020
US average: 95.5%
from 78.5% in 2020
US average: 87.7%
from 67.1% in 2016
US average: 77.7%
from 28.6% in 2016
US average: 13.6%
Marital status
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 36.4% in 2013
US average: 8.4%
from 56.7% in 2020
US average: 54.8%
Direct-purchase
from 9.8% in 2020
US average: 13.8%
from 12.6% in 2020
US average: 18.4%
from 22.5% in 2020
US average: 20.9%
VA health care
from 0.9% in 2020
US average: 2.2%
Any private
from 60.5% in 2020
US average: 67.1%
Any public
from 32.0% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 53%(105)
Share of the 198 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Frequently asked
How many people live in New Castle, Colorado? New Castle, Colorado has about 4,880 residents according to the 2024 American Community Survey.
What is the median household income in New Castle, Colorado? The typical household in New Castle, Colorado earns about $80,084 a year. Half of households make more than that, and half make less.
Is New Castle, Colorado expensive? In New Castle, Colorado, the median home is worth about $454,300, and the typical rent is about $1,393 a month.
How educated are people in New Castle, Colorado? About 32.1% of adults age 25 and over in New Castle, Colorado hold a bachelor's degree or higher.
What is the poverty rate in New Castle, Colorado? About 6.2% of people in New Castle, Colorado live below the federal poverty line.
Has New Castle, Colorado grown since 1990? Yes, New Castle, Colorado has grown since 1990. The population has added about 4,182 residents, a change of about 599 percent over that period.
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