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New Castle County

New Castle County has 577,961 residents across 25 ZIP codes with their own report. Median household income is $91,166, 7% above the Delaware figure. The typical owner-occupied home is valued at $352,200, and 40% of adults 25 and over hold a bachelor’s degree or higher.

County · ACS 2020–2024 · Updated October 24, 2026
577,961residentsACS 2020–2024
$91,166median household incomeDelaware: $85K
$352,200median home valueowner-occupied homes
93%of households have broadbandhome internet subscription
New Castle County in DelawareZIP codes in New Castle County highlighted; the rest of Delaware in grey
Map of Delaware with New Castle County highlighted

Sources: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates · U.S. Census Bureau, 2024 Gazetteer and 2020 ZCTA relationship files

All 25 ZIP codes.

Colour shows where each zip code sits among the others in the table, from lowest to highest.

ZIP codeResidentsHousehold incomeHome valueOwnersBachelor's+BroadbandCommute
1970142,984$111K$373K81%36%94%30 min
1970255,683$92K$346K60%40%94%26 min
1970315,460$77K$285K55%37%91%28 min
197062,038$84K$263K75%24%88%30 min
1970717,376$173K$557K87%64%96%25 min
1970953,234$133K$471K86%48%97%34 min
1971149,432$95K$399K65%54%94%23 min
1971330,747$76K$293K63%31%92%26 min
197176,036$-666667K$-666667K–––16 min
1972062,392$75K$265K68%23%92%28 min
19730425$112K$323K81%40%88%37 min
19731655$71K$369K92%0%100%46 min
19733186$83K$305K69%13%100%37 min
1973414,214$128K$431K91%33%94%39 min
19736127$-666667K$-666667K0%100%100%–
1980116,327$53K$200K31%29%86%26 min
1980226,051$54K$195K49%27%89%25 min
1980322,279$135K$457K89%61%96%25 min
1980418,779$80K$264K74%24%93%26 min
1980541,402$60K$237K59%24%90%26 min
198069,777$89K$386K51%71%89%21 min
198077,815$153K$937K66%79%98%25 min
1980839,082$94K$338K79%40%94%25 min
1980914,311$81K$315K74%43%96%27 min
1981026,530$113K$441K81%54%95%27 min

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

People.

577,961 residents in 224,173 households, next to the Delaware figure.

21%
under 18
23%
aged 18–34
17%
aged 65 and over
30%
of households are people living alone
44%
of households are married couples

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Homes.

236,079 housing units; the median owner-occupied home is valued at $352,200 (±$3,776).

69%
of households own their home
53%
of homes are detached single-family houses
19%
are in buildings with 5 or more units
2%
are mobile homes
5%
of housing units are vacant
$1,448
median gross rent a month

When homes were built

2020 or later1%
2010–20198%
2000–200911%
1990–199913%
1980–198912%
1970–197913%
1960–196913%
1950–195914%
1940–19496%
1939 or earlier11%

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Income and work.

Household income and work, in 2024 dollars; median household income ±$1,765.

$91,166
median household income
10.1%
of people live below the poverty line
4.8%
unemployment rate
40%
of adults 25+ hold a bachelor’s degree or higher

The poverty rate uses the federal poverty thresholds, which vary with family size. It says nothing on its own about what a neighborhood is like to live in.

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Getting around.

How workers aged 16 and over get to work, and how long it takes.

27 min
average commute to work
14%
of commuters travel 45 minutes or more
76%
of workers drive or carpool
3%
take public transportation
3%
walk or bike
18%
work from home
8%
of households have no car

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Internet.

Home internet subscriptions.

93%
of households have a broadband subscription
5%
have no internet access at home

American Community Survey figures are estimates from a rolling sample, averaged over 2020–2024. Each comes with a margin of error, which is wider in places with fewer people.

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Around here.

Photographs taken near New Castle County, Delaware, shared on Wikimedia Commons under free licences.

Pea Patch Island, Sally Port Area
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Pea Patch Island, Sally Port Area
Photo: Noah Halstead · CC BY-SA 4.0
View on Wikimedia Commons
US 13 SB-US 40 WB at split in State Road
i
US 13 SB-US 40 WB at split in State Road
Photo: Dough4872 · CC BY-SA 4.0
View on Wikimedia Commons
2022-07-20 11 29 36 View south along the southbound lanes of U.S. Route 13 and Delaware Route 9 Truck (DuPont Highway) from the overpass for the rail line just south of U.S. Route 40 (Pulaski Highway) in State Road, New Castle County, Delaware
i
2022-07-20 11 29 36 View south along the southbound lanes of U.S. Route 13 and Delaware Route 9 Truck (DuPont Highway) from the overpass for the rail line just south of U.S. Route 40 (Pulaski Highway) in State Road, New Castle County, Delaware
Photo: Famartin · CC BY-SA 4.0
View on Wikimedia Commons