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CITY

New Castle

Colorado · 4,896 residents (2025 est.) · 2.496 sq mi
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The short version

New Castle has roughly average household income, with a median household income of $80,084. The city has more than doubled in size since 2000, adding 2,896 residents. Median home value has more than doubled since 2000, reaching $454,300. Poverty is rare here, at 6.2% of residents.

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

Total population
4,880
+146%since 2000
from 1,984 in 2000
1990 – 2025
Population density
1,955 / sq mi
+146%since 2000
from 795 / sq mi in 2000
US average: 281
Median age
38.7
+29%since 2000
from 30.0 in 2000
US average: 38.9

PEP 2025 EST:4,896 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
2762K3K4K5K1990201020202024New Castle
20245K
1990201020202024
Section 02

Income & economy

Median household income
$80,084
−20%inflation adjusted, since 2000
from $55,000 in 2000
US average: $82,259
1990 – 2024
Per capita income
$41,388
+94%since 2000
from $21,356 in 2000
US average: $44,673
Households earning $100K+
52.7%
+17.7 ptssince 2009
from 35.0% in 2009
US average: 53.3%
Poverty rate
6.2%
+1.7 ptssince 2000
from 4.4% in 2000
US average: 12.5%
Income inequality (Gini)
0.413
+3%since 2010
from 0.401 in 2010
US average: 0.476
Workforce by industry, 2024
Wholesale trade13.3%
US avg: 6.9%
Other services11.7%
US avg: 6.7%
Finance & insurance8.6%
US avg: 5.9%
Information8.3%
US avg: 10.8%
Professional, scientific, technical6.4%
US avg: 5.1%
Public administration5.5%
US avg: 4.8%
Transportation & warehousing4.9%
US avg: 2.2%
Education & health services2.2%
US avg: 0.9%
Agriculture, forestry, fishing0%
US avg: 1.6%
Construction0%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
Retail trade0%
US avg: 9.9%
Arts, entertainment, food0%
US avg: 1.9%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$454,300
+41%inflation adjusted, since 2000
from $176,400 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$1,393
−5%inflation adjusted, since 2000
from $805 in 2000
US average: $1,442
Owner-occupied
73.1%
−2.5 ptssince 2000
from 75.6% in 2000
26.9% rent
Vacancy rate
1.4%
−0.7 ptssince 2009
from 2.1% in 2009
US average: 10.0%
Owner cost-burdened
38.4%
−2.4 ptssince 2009
from 40.7% in 2009
US average: 22.9%
Renter cost-burdened
70.1%
+5.7 ptssince 2009
from 64.4% in 2009
US average: 47.4%
Afford Score
5.7
+77%since 2000
from 3.2 in 2000
1990 – 2024
Gentrification Score
47
RELATED:See current rent listings in New Castle on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic86.7%(1,721)
Black0.2%(3)
Hispanic / Latino11.9%(236)
Asian0.4%(7)
Other0%
Diversity Score27.5%(546)
2024
White, non-Hispanic61%(2,978)
Black0%(0)
Hispanic / Latino35.5%(1,731)
Asian0%(0)
Other3.5%(171)
Diversity Score62.6%(3,053)
Diversity Score
63
+127%since 2000
from 28 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
32.1%
−0.1 ptssince 2000
from 32.2% in 2000
US average: 35.6%
High school or higher
94.9%
+3.6 ptssince 2000
from 91.3% in 2000
US average: 89.6%
Graduate degree
10.8%
+4.7 ptssince 2000
from 6.2% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
33.7 min
+25%since 2000
from 27.0 min in 2000
US average: 26.5
Drive alone to work
74.3%
+10.3 ptssince 2009
from 64.1% in 2009
US average: 68.9%
Carpooled to work
9.4%
−14.4 ptssince 2009
from 23.8% in 2009
US average: 8.5%
Public transit
1.4%
−2.6 ptssince 2009
from 3.9% in 2009
US average: 3.2%
Worked from home
14.9%
+9.4 ptssince 2009
from 5.5% in 2009
US average: 15.0%
Walked to work
0.0%
−1.7 ptssince 2009
from 1.7% in 2009
US average: 2.4%
Biked to work
0.0%
−0.8 ptssince 2009
from 0.8% in 2009
US average: 0.4%
No vehicle available
11.5%
+7.5 ptssince 2009
from 4.1% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
0.8%
−13.0 ptssince 2011
from 13.8% in 2011
US average: 5.2%
Labor force participation
58.4%
−25.5 ptssince 2011
from 83.9% in 2011
US average: 63.5%
Self-employed
23.2%
+10.2 ptssince 2009
from 13.0% in 2009
US average: 13.1%
Management & professional
46.0%
−14.1 ptssince 2009
from 60.2% in 2009
US average: 42.5%
Section 08

People & community

Male
49.6%
−2.4 ptssince 2009
from 52.0% in 2009
Female
50.4%
+2.4 ptssince 2009
from 48.0% in 2009
Foreign born
13.4%
−5.9 ptssince 2009
from 19.3% in 2009
US average: 14.1%
Veterans
5.5%
−45.2 ptssince 2009
from 50.7% in 2009
US average: 6.2%
With a disability
11.8%
+6.0 ptssince 2012
from 5.8% in 2012
US average: 13.3%
Uninsured
16.3%
−47.3 ptssince 2013
from 63.6% in 2013
US average: 8.4%
Broadband at home
100.0%
+11.5 ptssince 2017
from 88.5% in 2017
US average: 91.0%
English only at home
68.5%
+1.4 ptssince 2016
from 67.1% in 2016
US average: 77.7%
Spanish at home
30.9%
+2.3 ptssince 2016
from 28.6% in 2016
US average: 13.6%
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Compare New Castle to nearby cities

NEW CASTLE VS
Glenwood Springs
Income$91,481+14%
Home value$619,000+36%
Population10,395+112%
SEE FULL COMPARISON →
NEW CASTLE VS
Rifle
Income$80,000same
Home value$413,500−9%
Population10,844+121%
SEE FULL COMPARISON →
NEW CASTLE VS
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Income$115,564+44%
Home value$633,000+39%
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NEW CASTLE VS
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Income$81,909+2%
Home value$937,300+106%
Population10,785+120%
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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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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →