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COUNTY · 2020 ACS

New Castle County

Delaware · 570,719 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 $75,275. Population has held roughly steady since 2000. Median home value has more than doubled since 2000, reaching $266,500.

At a glance
Wealthier
above the US median
US median: $66,278
Mid-age
median age 39.0
US median: 38.8
More educated
37% hold a bachelor's degree
US average: 33%
Less affordable
home values up 33%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
570,719
+14%since 2000
from 500,265 in 2000
1990 – 2025
Median age
39.0
+11%since 2000
from 35.0 in 2000
US average: 38.8
Population, 1990 – 2024
428K469K510K551K592K1990201020202024New Castle County
2024578K
1990201020202024
Age distribution, 2020
Under 55.2%(29,685)
US avg: 5.6%
5 to 95.8%(33,197)
US avg: 6.1%
10 to 146.3%(36,089)
US avg: 6.5%
15 to 196.6%(37,634)
US avg: 6.6%
20 to 247.3%(41,920)
US avg: 6.7%
25 to 3413.5%(76,952)
US avg: 13.5%
35 to 4412.6%(71,674)
US avg: 12.7%
45 to 5412.6%(72,001)
US avg: 12.3%
55 to 6413.7%(78,207)
US avg: 13.1%
65 to 749.8%(55,739)
US avg: 10%
75 to 844.7%(26,993)
US avg: 4.9%
85 and over1.9%(10,628)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$75,275
−4%inflation adjusted, since 2000
from $52,419 in 2000
US average: $66,278
1990 – 2024
Per capita income
$38,965
+53%since 2000
from $25,413 in 2000
US average: $35,364
Households earning $100K+
50.1%
+8.3 ptssince 2009
from 41.9% in 2009
US average: 43.9%
Poverty rate
10.7%
+2.3 ptssince 2000
from 8.4% in 2000
US average: 12.8%
Workforce by industry, 2020
Other services11.9%
US avg: 6.6%
Information10.8%
US avg: 11.1%
Public administration10.5%
US avg: 4.7%
Retail trade7.7%
US avg: 10%
Finance & insurance6.3%
US avg: 5.5%
Wholesale trade5.7%
US avg: 6.7%
Professional, scientific, technical5.4%
US avg: 4.7%
Transportation & warehousing2.2%
US avg: 2.5%
Arts, entertainment, food1.3%
US avg: 2%
Education & health services0.9%
US avg: 0.8%
Agriculture, forestry, fishing0.6%
US avg: 1.7%
Construction0.6%
US avg: 1.2%
Manufacturing0%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$266,500
+33%inflation adjusted, since 2000
from $132,900 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$1,182
+17%inflation adjusted, since 2000
from $670 in 2000
US average: $1,124
Owner-occupied
66.7%
−3.4 ptssince 2000
from 70.1% in 2000
33.3% rent
Afford Score
3.5
−9%since 2009
from 3.9 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
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%
2020
White, non-Hispanic53.1%(303,265)
Black24.9%(142,388)
Hispanic / Latino11.1%(63,516)
Asian6.1%(35,022)
Other3.1%(17,438)
Segregation Score
37
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican4.3%(23,871)
Puerto Rican3.3%(18,169)
South American0.8%(4,680)
Central American0.6%(3,256)
Dominican0.5%(3,005)
Colombian0.3%(1,723)
Spaniard0.2%(1,372)
Honduran0.2%(917)
Peruvian0.2%(844)
Cuban0.1%(754)
Guatemalan0.1%(658)
Argentine0.1%(638)
+ 9 more hispanic origin groups with data
Ecuadorian0.1%(614)
Salvadoran0.1%(511)
Panamanian0.1%(502)
Chilean0.1%(438)
Costa Rican0.1%(348)
Venezuelan0.1%(338)
Nicaraguan0.1%(316)
Bolivian0%(48)
Uruguayan0%(24)
Asian origin
Asian Indian2.6%(14,765)
Chinese1.4%(7,704)
Filipino0.5%(2,591)
Korean0.3%(1,809)
Vietnamese0.2%(1,058)
Pakistani0.2%(895)
Japanese0.1%(614)
Bangladeshi0.1%(537)
Taiwanese0%(188)
Sri Lankan0%(186)
Thai0%(146)
Laotian0%(119)
+ 4 more asian origin groups with data
Cambodian0%(96)
Nepalese0%(44)
Malaysian0%(23)
Pacific Islander origin
Samoan0%(47)
Chamorro0%(19)
Ancestry
Irish13.6%(76,026)
German10.9%(60,927)
Italian9.5%(52,789)
English8.1%(44,995)
Polish4.6%(25,667)
American4.4%(24,651)
Subsaharan African1.9%(10,885)
Scottish1.4%(7,723)
French1.3%(7,499)
West Indian1%(5,617)
Russian0.8%(4,190)
Welsh0.7%(4,118)
+ 49 more ancestry groups with data
Swedish0.7%(3,984)
Dutch0.7%(3,823)
Ukrainian0.7%(3,701)
Scotch-Irish0.6%(3,348)
British0.6%(3,095)
Jamaican0.5%(2,864)
Greek0.5%(2,562)
Norwegian0.4%(2,000)
Hungarian0.3%(1,884)
French Canadian0.3%(1,416)
Kenyan0.3%(1,404)
Lithuanian0.2%(1,313)
Nigerian0.2%(1,076)
Haitian0.2%(1,014)
Swiss0.2%(983)
Slovak0.2%(927)
Austrian0.2%(887)
Czech0.2%(847)
Arab0.1%(718)
Lebanese0.1%(687)
Turkish0.1%(622)
Portuguese0.1%(603)
Danish0.1%(582)
Belgian0.1%(540)
Canadian0.1%(458)
Ghanaian0.1%(432)
Guyanese0.1%(419)
Croatian0.1%(383)
Iranian0.1%(375)
Romanian0.1%(367)
Bulgarian0.1%(349)
Egyptian0.1%(345)
Ethiopian0.1%(343)
Armenian0%(247)
Serbian0%(247)
Brazilian0%(233)
Barbadian0%(211)
Finnish0%(198)
Australian0%(147)
Syrian0%(137)
Moroccan0%(116)
Slovene0%(96)
Jordanian0%(62)
Israeli0%(55)
Latvian0%(53)
RANKED:Largest Irish population · Largest German population · Largest Italian population · Largest English population · Largest Polish population
Section 05

Education

Bachelor's degree or higher
36.7%
+7.2 ptssince 2000
from 29.5% in 2000
US average: 32.9%
High school or higher
92.1%
+6.7 ptssince 2000
from 85.5% in 2000
US average: 88.5%
Graduate degree
15.6%
+4.6 ptssince 2000
from 11.0% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
26.0 min
+65%since 2000
from 15.7 min in 2000
US average: 26.9
Drive alone to work
77.0%
−1.9 ptssince 2009
from 78.8% in 2009
US average: 75.1%
No vehicle available
6.7%
−1.1 ptssince 2009
from 7.8% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
6.1%
−1.5 ptssince 2011
from 7.6% in 2011
US average: 5.4%
Labor force participation
65.3%
−1.9 ptssince 2011
from 67.2% in 2011
US average: 63.4%
Management & professional
44.8%
−23.5 ptssince 2009
from 68.3% in 2009
US average: 39.3%
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
11.5%
+2.2 ptssince 2009
from 9.2% in 2009
US average: 13.5%
Uninsured
5.1%
−86.0 ptssince 2013
from 91.1% in 2013
US average: 8.8%
Marital status (2024)
Men 15+
Never married39.4%(90,389)
Married49%(112,456)
Widowed2.9%(6,720)
Divorced8.7%(19,853)
Women 15+
Never married36%(89,278)
Married43.9%(108,966)
Widowed8%(19,751)
Divorced12.1%(29,978)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

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Head to head

Compare New Castle County to nearby counties

NEW CASTLE COUNTY VS
Salem County
Income$79,960+6%
Home value$239,500−10%
Population66,280−89%
SEE FULL COMPARISON →
NEW CASTLE COUNTY VS
Cecil County
Income$92,007+22%
Home value$343,400+29%
Population107,131−82%
SEE FULL COMPARISON →
NEW CASTLE COUNTY VS
Delaware County
Income$89,546+19%
Home value$332,200+25%
Population580,937−1%
SEE FULL COMPARISON →
NEW CASTLE COUNTY VS
Chester County
Income$127,208+69%
Home value$485,600+82%
Population557,116−5%
SEE FULL COMPARISON →
Frequently asked

How many people live in New Castle County, Delaware?

New Castle County, Delaware has about 570,719 residents according to the 2020 American Community Survey.

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

The typical household in New Castle County, Delaware earns about $75,275 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 $266,500, and the typical rent is about $1,182 a month.

How educated are people in New Castle County, Delaware?

About 36.7% 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 10.7% 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 128,773 residents, a change of about 29 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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