Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 39.6 yrs |
|---|---|
| Avg HH Size | 1.34 |
| Below Poverty | 10.0% ≈ Avg |
| College Grads | 47.8% ▲ 23% above avg |
| Unemployment | 4.9% ≈ Avg |
| No HS Diploma | 3,986 (1.1%) |
| HS Graduate | 102,712 (28%) |
| Some College | 34,229 (9.3%) |
| Associates | 49,366 (13.5%) |
| Bachelors | 30,849 (8.4%) |
| Graduate Degree | 145,311 (39.7%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $94,198 ▲ 23% above avg |
|---|---|
| Median Home Value | $332,897 ▲ 19% above avg |
| Home/Income Ratio | 3.5x (nat avg ~3.5x) |
| Median Rent | $1,449/mo |
| Total Housing Units | 234,152 |
| Vacant Units | 12,045 |
Income Distribution
How People Get to Work
Commute Time
Year Built
New Castle County is located in Delaware and encompasses 52 ZIP codes spanning 17 cities and communities. The county has an estimated population of 568,543 residents. With a median age of 39.64, it is a middle-aged county.
New Castle County has a middle-income economic profile. The median household income of $94,198 is above the national average. Unemployment stands at 4.9%, near the national average. The poverty rate of 10.0% is near the national average.
Housing in New Castle County is a mid-range housing market, with a median home value of $332,897 — above the national average. Monthly median rent is approximately $1,448. Homeownership rates are high at 69.3%, reflecting a largely residential, stable population.
The residents of New Castle County are majority White (53.38%). Educational attainment is well-educated — 47.8% of adults hold a bachelor's degree or higher, above the national average.
New Castle County, DE is a middle-income area in Delaware. The 52 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.
| ZIP | City | Population | Median Income | Median Home | Median Rent | Unemp. | College |
|---|---|---|---|---|---|---|---|
| 19701 | Bear | 44,801 | $107,856 | $337,800 | $1,732 | 6.0% | 44.6% |
| 19703 | Claymont | 15,936 | $76,328 | $266,500 | $1,305 | 4.0% | 43.9% |
| 19706 | Delaware City | 2,059 | $77,143 | $244,600 | $1,420 | 6.9% | 29.3% |
| 19707 | Hockessin | 17,366 | $172,161 | $534,300 | $2,230 | 2.3% | 71.1% |
| 19709 | Middletown | 50,542 | $129,971 | $444,900 | $1,571 | 5.3% | 58.1% |
| 19720 | New Castle | 60,593 | $75,985 | $242,600 | $1,282 | 3.5% | 32.0% |
| 19702 | Newark | 56,049 | $92,304 | $331,200 | $1,549 | 4.2% | 49.4% |
| 19711 | Newark | 49,113 | $94,455 | $376,300 | $1,516 | 5.2% | 59.0% |
| 19713 | Newark | 30,549 | $72,850 | $267,500 | $1,293 | 3.8% | 38.1% |
| 19730 | Odessa | 506 | $81,927 | $299,300 | $1,344 | 0.9% | 52.6% |
| 19731 | Port Penn | 630 | $68,832 | $347,500 | — | 0.0% | 2.2% |
| 19732 | Rockland | 155 | $250,001 | $704,900 | — | 0.0% | 100.0% |
| 19734 | Townsend | 14,151 | $131,745 | $426,300 | $1,342 | 2.5% | 45.1% |
| 19801 | Wilmington | 16,170 | $44,505 | $196,000 | $1,126 | 9.0% | 34.5% |
| 19802 | Wilmington | 25,670 | $54,370 | $188,400 | $1,236 | 8.8% | 35.3% |
| 19803 | Wilmington | 21,971 | $133,941 | $436,200 | $1,736 | 5.2% | 67.9% |
| 19804 | Wilmington | 18,231 | $76,204 | $244,700 | $1,157 | 5.9% | 33.4% |
| 19805 | Wilmington | 40,315 | $56,708 | $220,200 | $1,203 | 5.4% | 32.6% |
| 19806 | Wilmington | 9,934 | $86,240 | $370,500 | $1,329 | 2.0% | 77.2% |
| 19807 | Wilmington | 7,763 | $156,905 | $895,400 | $1,600 | 8.7% | 79.5% |
| 19808 | Wilmington | 38,334 | $92,883 | $309,700 | $1,357 | 3.7% | 48.5% |
| 19809 | Wilmington | 15,129 | $85,988 | $308,900 | $1,373 | 6.3% | 53.2% |
| 19810 | Wilmington | 25,859 | $110,486 | $420,300 | $1,517 | 3.3% | 60.1% |