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COUNTY · 2010 ACS

New Castle County

Delaware · 538,479 residents · 426.337 sq mi
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The short version

New Castle County is wealthier than most US places, with a median household income of $62,474. Population has held roughly steady since 2000. Median home value has more than doubled since 2000, reaching $252,800.

At a glance
Wealthier
above the US median
US median: $52,703
Mid-age
median age 37.2
US median: 37.2
More educated
32% hold a bachelor's degree
US average: 28%
Less affordable
home values up 50%, inflation adjusted
US median home: $225,659
Section 01

Population & growth

Total population
538,479
+8%since 2000
from 500,265 in 2000
1990 – 2025
Population density
1,263 / sq mi
+8%since 2000
from 1,173 / sq mi in 2000
US average: 261
Median age
37.2
+6%since 2000
from 35.0 in 2000
US average: 37.2
Population, 1990 – 2024
428K469K510K551K592K1990201020202024New Castle County
2024578K
1990201020202024
Section 02

Income & economy

Median household income
$62,474
−6%inflation adjusted, since 2000
from $52,419 in 2000
US average: $52,703
1990 – 2024
Per capita income
$31,220
+23%since 2000
from $25,413 in 2000
US average: $27,286
Households earning $100K+
41.6%
−0.3 ptssince 2009
from 41.9% in 2009
US average: 33.3%
Poverty rate
10.3%
+1.8 ptssince 2000
from 8.4% in 2000
US average: 13.8%
Income inequality (Gini)
0.441
US average: 0.461
Workforce by industry, 2010
Other services13.1%
US avg: 7%
Public administration11.4%
US avg: 4.9%
Information11.2%
US avg: 11.5%
Retail trade9.7%
US avg: 10.9%
Wholesale trade6.1%
US avg: 7.2%
Finance & insurance5%
US avg: 5.1%
Professional, scientific, technical4.1%
US avg: 4.2%
Transportation & warehousing2.4%
US avg: 3.1%
Arts, entertainment, food2%
US avg: 2.4%
Education & health services0.9%
US avg: 0.9%
Agriculture, forestry, fishing0.4%
US avg: 1.9%
Construction0.3%
US avg: 1.4%
Manufacturing0.1%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$252,800
+50%inflation adjusted, since 2000
from $132,900 in 2000
US average: $225,659
1990 – 2024
Median gross rent
$953
+12%inflation adjusted, since 2000
from $670 in 2000
US average: $853
Owner-occupied
53.3%
−16.8 ptssince 2000
from 70.1% in 2000
30.3% rent
Vacancy rate
8.0%
Unchangedsince 2009
from 8.0% in 2009
US average: 12.1%
Owner cost-burdened
27.7%
+1.4 ptssince 2009
from 26.3% in 2009
US average: 30.9%
Renter cost-burdened
48.6%
+2.2 ptssince 2009
from 46.4% in 2009
US average: 46.8%
Afford Score
4.0
+60%since 2000
from 2.5 in 2000
1990 – 2024
RELATED:See current rent listings in New Castle County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic70.7%(353,760)
Black19.9%(99,648)
Hispanic / Latino5.3%(26,293)
Asian2.6%(12,856)
Other0%
Diversity Score55%(274,967)
2010
White, non-Hispanic61.6%(331,836)
Black23.1%(124,426)
Hispanic / Latino8.7%(46,921)
Asian4.3%(23,132)
Other1.8%(9,820)
Diversity Score69.1%(372,354)
Diversity Score
69
+26%since 2000
from 55 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
32.4%
+2.9 ptssince 2000
from 29.5% in 2000
US average: 27.9%
High school or higher
88.4%
+2.9 ptssince 2000
from 85.5% in 2000
US average: 84.9%
Graduate degree
13.1%
+2.1 ptssince 2000
from 11.0% in 2000
US average: 10.2%
Section 06

Commute & transportation

Average commute
24.4 min
+55%since 2000
from 15.7 min in 2000
US average: 25.2
Drive alone to work
78.8%
−0.1 ptssince 2009
from 78.8% in 2009
US average: 76.2%
Carpooled to work
9.7%
−0.2 ptssince 2009
from 9.9% in 2009
US average: 10.4%
Public transit
4.5%
+0.1 ptssince 2009
from 4.4% in 2009
US average: 4.7%
Worked from home
3.3%
+0.2 ptssince 2009
from 3.1% in 2009
US average: 4.1%
Walked to work
2.8%
Unchangedsince 2009
from 2.9% in 2009
US average: 2.8%
Biked to work
0.4%
Unchangedsince 2009
from 0.4% in 2009
US average: 0.5%
No vehicle available
7.9%
Unchangedsince 2009
from 7.8% in 2009
US average: 8.7%
Section 07

Work & employment

Self-employed
11.5%
+0.3 ptssince 2009
from 11.2% in 2009
US average: 12.9%
Management & professional
40.8%
−27.6 ptssince 2009
from 68.3% in 2009
US average: 35.2%
Section 08

People & community

Male
48.4%
−0.2 ptssince 2009
from 48.6% in 2009
Female
51.6%
+0.2 ptssince 2009
from 51.4% in 2009
Foreign born
9.6%
+0.4 ptssince 2009
from 9.2% in 2009
US average: 12.8%
Veterans
9.6%
−38.2 ptssince 2009
from 47.7% in 2009
US average: 9.9%
Drill deeper

Places similar to New Castle County

Delaware County
Pop 580,937
South Central Connecticut Planning Region
Pop 578,741
Ada County
Pop 546,141
Bristol County
Pop 593,640
Places similar to New Castle County
Head to head

Compare New Castle County to nearby counties

NEW CASTLE COUNTY VS
Salem County
Income$79,960+28%
Home value$239,500−5%
Population66,280−89%
SEE FULL COMPARISON →
NEW CASTLE COUNTY VS
Cecil County
Income$92,007+47%
Home value$343,400+36%
Population107,131−82%
SEE FULL COMPARISON →
NEW CASTLE COUNTY VS
Delaware County
Income$89,546+43%
Home value$332,200+31%
Population580,937−1%
SEE FULL COMPARISON →
NEW CASTLE COUNTY VS
Chester County
Income$127,208+104%
Home value$485,600+92%
Population557,116−5%
SEE FULL COMPARISON →
Frequently asked

How many people live in New Castle County, Delaware?

New Castle County, Delaware has about 538,479 residents according to the 2010 American Community Survey.

What is the median household income in New Castle County, Delaware?

The typical household in New Castle County, Delaware earns about $62,474 a year. Half of households make more than that, and half make less.

Is New Castle County, Delaware expensive?

In New Castle County, Delaware, the median home is worth about $252,800, and the typical rent is about $953 a month.

How educated are people in New Castle County, Delaware?

About 32.4% of adults age 25 and over in New Castle County, Delaware hold a bachelor's degree or higher.

What is the poverty rate in New Castle County, Delaware?

About 10.3% of people in New Castle County, Delaware live below the federal poverty line.

Has New Castle County, Delaware grown since 1990?

Yes, New Castle County, Delaware has grown since 1990. The population has added about 96,533 residents, a change of about 22 percent over that period.

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Explore from here

145 census tracts (top 20 by population)
Census Tract 166.11Census Tract 148.09Census Tract 145.02Census Tract 166.08Census Tract 166.10Census Tract 149.03Census Tract 166.12Census Tract 163.01Census Tract 168.08Census Tract 135.01Census Tract 148.10Census Tract 166.14Census Tract 164.01Census Tract 148.11Census Tract 149.09Census Tract 148.08Census Tract 135.08Census Tract 138Census Tract 136.11Census Tract 152
29 ZIP codes
ZIP 19720ZIP 19702ZIP 19709ZIP 19711ZIP 19701ZIP 19805ZIP 19808ZIP 19713ZIP 19810ZIP 19802ZIP 19803ZIP 19804ZIP 19707ZIP 19801ZIP 19703ZIP 19809ZIP 19734ZIP 19806ZIP 19807ZIP 19717ZIP 19706ZIP 19731ZIP 19730ZIP 19733ZIP 19736ZIP 19732ZIP 19716ZIP 19735ZIP 19710
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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