New Castle, Delaware
City in New Castle County, Delaware · ZIP 19720
- New Castle County
- Census data · ACS 2019-2023
- 3 public schools
- 5,715 (2024 estimate)Population
- 2,706Households
- $92,565Median household income
- $262,100Median home value
- 3Public schools
- 1ZIP codes
About New Castle
This page shows only what has been published about New Castle: Census facts with their sources first, then its businesses, jobs, events, people in public roles, housing and questions as they are added. Nothing here is written by the town government.
Town intelligenceOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 4,862 |
| 2010 | 5,285 |
| 2020 | 5,551 |
As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.
Sources: Census 2000 Summary File 1: total population, place level, state 10, retrieved November 14, 2026; Census 2010 Summary File 1: total population, place level, state 10, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 10, retrieved November 14, 2026.
Median household income $92,565 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.
Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, place level, state 10, retrieved November 14, 2026.
- Owner occupied
- 1,719 units
- Renter occupied
- 987 units
- Vacancy rate
- 5.2%
Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.
Source: American Community Survey 5-year data profile 2019–2023, place level, state 10, retrieved November 14, 2026.
| Measure | New Castle | New Castle County | Delaware |
|---|---|---|---|
| Population | 5,519 | 573,030 | 1,005,872 |
| Median household income | $92,565 | $89,901 | $82,855 |
| Median age | 46.4 | 39.2 | 41.5 |
| Median home value | $262,100 | $329,800 | $326,800 |
| Bachelor’s degree or higher | 32.2% | 39.2% | 35.3% |
| Foreign-born residents | 8.3% | 12.3% | 10.4% |
| Owner-occupied homes | 63.5% | 68.5% | 72.3% |
| Mean commute to work | 21.9 minutes | 25.4 minutes | 26.1 minutes |
Source: American Community Survey 5-year data profile 2019–2023, place level, state 10, retrieved November 14, 2026.
CommunityRules and moderation
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Events in New CastleAll events
No upcoming event is listed in New Castle yet. Members and businesses add events from the Events page; each is screened before it shows.
Schools
| School | Type | Grades | District |
|---|---|---|---|
| Charter School of New Castle | Charter | K–8 | Charter School of New Castle |
| Downie (Carrie) Elementary School | Public | K–5 | Colonial School District |
| New Castle Elementary School | Public | K–5 | Colonial School District |
Open public schools in the NCES directory for 2023–2024, placed by their listed location; private schools are not in the source. Enrollment and ratings are not shown.
Sources: NCES Common Core of Data, public school directory 2023–2024, retrieved November 14, 2026; NCES EDGE public school geocodes 2024–2025, retrieved November 14, 2026.
Frequently asked about New CastlePromoted from questions people asked
No question about New Castle has been asked often enough to publish an answer yet. Ask New Castle and the answer, once a person checks it, appears here.
Nearby towns
- Wilmington ManorCensus designated place
- NewportTown
- WilmingtonCity
- ElsmereTown
- EdgemoorCensus designated place
- Delaware CityCity
- BearCensus designated place
- BrooksideCensus designated place
- GreenvilleCensus designated place
- BellefonteTown
Other towns in New Castle County
- ArdenVillage
- ArdencroftVillage
- ArdentownVillage
- BearCensus designated place
- BellefonteTown
- BrooksideCensus designated place
- ClaymontCensus designated place
- Delaware CityCity
- EdgemoorCensus designated place
- ElsmereTown