19720 ZIP Code — New Castle, DE
New Castle County, Delaware
ZIP code 19720 is located in New Castle, Delaware, within New Castle County. It covers approximately 38.30 square miles and serves a population of 60,514 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 302.
About ZIP code 19720
The housing stock consists of a mix of housing types. Most homes were built in the 1950s, giving the area an established character. Median home value is $229,300. Owner-occupancy sits near the national average at 68%.
Median household income is $72,424. 31% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 25 minutes is near the national average.
Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.
60,514
population
38.30
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
19720 ZIP code map
Cities in ZIP code 19720
Below are the cities the US Postal Service accepts for ZIP code 19720. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| New Castle | Acceptable |
| New Castle | Acceptable |
| New Castle | Preferred |
Nearby ZIP codes
19721 New Castle (2 mi)
08070 Pennsville (4.4 mi)
19804 Wilmington (5.7 mi)
19702 Newark (6.7 mi)
19713 Newark (6.7 mi)
19801 Wilmington (6.8 mi)
19701 Bear (6.9 mi)
19805 Wilmington (7.5 mi)
19890 Wilmington (7.7 mi)
19886 Wilmington (7.7 mi)
19884 Wilmington (7.7 mi)
19885 Wilmington (7.7 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 60,514 |
| Population density | 1,580 / sq mi |
| State FIPS | 10 |
| County FIPS | 003 |
| Geography | |
|---|---|
| Land area | 38.30 sq mi |
| Water area | 3.08 sq mi |
| Latitude | 39.6382 |
| Longitude | -75.5872 |
| Timezone | Eastern (ET) |
| Area code | 302 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 39.9% | 33.4% | 36.1% |
| $50k – $100k | 31.1% | 30.4% | 31.6% |
| $100k – $200k | 24.4% | 26.6% | 24.7% |
| Over $200k | 4.6% | 9.5% | 7.6% |
Demographics & statistics
60,514
Population
1,580
People per sq mi
40.1
Median age
$72,424
Median household income
$36,173
Per capita income
$229,300
Median home value
$1,229
Median monthly rent
68.1%
Home ownership
9.7%
Poverty rate
4.7%
Unemployment
17,003
Housing units
21.8%
Bachelor's or higher
Age distribution
Male
Female
1,514
Under 5
1,646
1,552
5–9
1,686
2,073
10–14
2,254
1,643
15–19
1,786
1,911
20–24
2,077
3,823
25–34
4,156
4,102
35–44
4,458
3,670
45–54
3,990
2,292
55–59
2,492
2,009
60–64
2,184
2,674
65–74
2,907
1,363
75–84
1,482
369
85+
401
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 12,709 | 21.0% |
| 18 and over | 47,805 | 79.0% |
| 65 and over | 9,196 | 15.2% |
| Median age | 40.1 years | |
Race & ethnicity
Black or African American
37.7%
White
37.2%
Hispanic or Latino
10.2%
Other race
7.4%
Two or more races
5.4%
Asian
1.6%
American Indian / Alaska Native
0.3%
Native Hawaiian / Pacific Islander
0.1%
| Group | Count | % |
|---|---|---|
| Black or African American | 25,394 | 37.7% |
| White | 25,086 | 37.2% |
| Hispanic or Latino | 6,883 | 10.2% |
| Other race | 5,016 | 7.4% |
| Two or more races | 3,658 | 5.4% |
| Asian | 1,091 | 1.6% |
| American Indian / Alaska Native | 224 | 0.3% |
| Native Hawaiian / Pacific Islander | 45 | 0.1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 39.9% | 33.4% | 36.1% |
| $50k – $100k | 31.1% | 30.4% | 31.6% |
| $100k – $200k | 24.4% | 26.6% | 24.7% |
| Over $200k | 4.6% | 9.5% | 7.6% |
Under $10k
4.2%
$10k–$15k
3.2%
$15k–$25k
5.4%
$25k–$35k
8.0%
$35k–$50k
12.0%
$50k–$75k
19.2%
$75k–$100k
14.1%
$100k–$150k
18.0%
$150k–$200k
9.3%
$200k+
6.6%
| Range | % of households |
|---|---|
| Under $10k | 4.2% |
| $10k–$15k | 3.2% |
| $15k–$25k | 5.4% |
| $25k–$35k | 8.0% |
| $35k–$50k | 12.0% |
| $50k–$75k | 19.2% |
| $75k–$100k | 14.1% |
| $100k–$150k | 18.0% |
| $150k–$200k | 9.3% |
| $200k+ | 6.6% |
| Median income | $72,424 |
Housing
Home values
Under $50k
3.7%
$50k–$100k
2.7%
$100k–$150k
9.5%
$150k–$200k
21.6%
$200k–$300k
35.3%
$300k–$500k
23.0%
$500k–$1M
2.7%
$1M+
1.5%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $229,300 |
| Median rent / month | $1,229 |
| Owner occupied | 68.1% |
| Renter occupied | 31.9% |
| Vacant | 5.3% |
| Single-family detached | 61.8% |
| Large apartment buildings | 3.6% |
| Mobile homes | 1.1% |
| Median rooms | 5.9 |
| Avg household size (owned) | 2.69 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.1% |
| 2010–2019 | 2.9% |
| 2000–2009 | 8.6% |
| 1990–1999 | 12.0% |
| 1980–1989 | 11.5% |
| 1970–1979 | 13.0% |
| 1960–1969 | 16.7% |
| 1950–1959 | 19.1% |
| 1940–1949 | 9.9% |
| 1939 or earlier | 6.3% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.4% |
| 1 bedroom | 10.5% |
| 2 bedrooms | 22.7% |
| 3 bedrooms | 45.8% |
| 4 bedrooms | 18.2% |
| 5+ bedrooms | 2.5% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 6.5% |
| 1 vehicle | 36.0% |
| 2 vehicles | 37.3% |
| 3 or more | 20.2% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 57.1% |
| Electricity | 29.6% |
| Propane / LP gas | 1.1% |
| Fuel oil | 10.3% |
| Wood | 0.2% |
| Solar | 0.5% |
| No fuel used | 1.0% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 9,337 | 40.5% |
| Cohabiting couple | 2,037 | 8.8% |
| Male householder, no spouse | 4,475 | 19.4% |
| Female householder, no spouse | 7,228 | 31.3% |
| Households with children under 18 | 6,376 | 27.6% |
| Households with seniors (65+) | 6,977 | 30.2% |
| Average household size | 2.59 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 40.5% | 37.2% |
| Married | 45.1% | 37.7% |
| Separated | 1.7% | 2.3% |
| Widowed | 3.1% | 8.5% |
| Divorced | 9.6% | 14.3% |
Education
Less than 9th grade
4.5%
Some HS, no diploma
6.2%
HS graduate
39.6%
Some college, no degree
19.7%
Associate's degree
8.2%
Bachelor's degree
12.8%
Graduate / professional
9.0%
| Metric | % |
|---|---|
| HS diploma or higher | 89.3% |
| Bachelor's or higher | 21.8% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 809 | 5.9% |
| Kindergarten | 515 | 3.7% |
| Elementary school | 5,969 | 43.3% |
| High school | 2,839 | 20.6% |
| College / grad school | 3,650 | 26.5% |
Employment
Industry of employment
Education & healthcare
23.6%
Retail trade
11.8%
Professional & management
10.6%
Finance & real estate
8.9%
Transportation & utilities
8.5%
Manufacturing
7.4%
Arts, food & hospitality
7.2%
Public administration
6.6%
Other services
6.1%
Construction
5.4%
Wholesale trade
1.9%
Information
1.5%
Agriculture & mining
0.6%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 34.2% |
| Service | 21.6% |
| Sales & office | 20.5% |
| Natural resources & construction | 7.2% |
| Production & transportation | 16.6% |
Employment type
| Type | % |
|---|---|
| Private sector | 80.8% |
| Government | 15.1% |
| Self-employed | 4.1% |
| Unpaid family workers | 0.1% |
Commute
| Method | % |
|---|---|
| Drive alone | 73.8% |
| Carpool | 9.2% |
| Public transit | 2.6% |
| Walk | 2.2% |
| Work from home | 11.4% |
| Other means | 0.8% |
| Avg commute (minutes) | 25.4 |
Poverty
All people
9.7%
Under 18 years
12.1%
18 and over
9.0%
Married-couple families
3.2%
Female-led households
12.6%
Income support
| Source | % of households |
|---|---|
| Social Security | 30.9% |
| Retirement income | 28.9% |
| Supplemental Security | 5.2% |
| Cash public assistance | 2.7% |
| Food stamps / SNAP | 10.6% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 37.5% |
| High blood pressure | 35.4% |
| High cholesterol | 30.6% |
| Diabetes | 12.0% |
| Heart disease | 5.8% |
| Stroke | 3.2% |
| Asthma | 11.2% |
| Arthritis | 22.3% |
| Kidney disease | 2.9% |
| Pulmonary disease | 6.3% |
| Cancer | 5.5% |
| Behavior / access | % |
|---|---|
| Smoking | 18.2% |
| Binge drinking | 16.4% |
| No physical activity | 26.8% |
| Less than 7 hrs sleep | 37.0% |
| Depression | 18.1% |
| Fair or poor health | 16.0% |
| Poor mental health | 14.7% |
| Poor physical health | 11.0% |
| No health insurance | 16.7% |
| Visited doctor (checkup) | 74.8% |
| Visited dentist | 61.5% |
| Cholesterol screening | 89.6% |
| Teeth loss | 14.3% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 3,155 | 6.6% |
| Disability | % |
|---|---|
| Any disability | 14.9% |
| Under 18 | 5.9% |
| 18–64 years | 13.3% |
| 65 and over | 33.9% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 68.9% |
| Public insurance | 39.2% |
| No insurance | 6.8% |
| Uninsured under 19 | 3.3% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 57,354 | 94.8% |
| Spanish | 3,376 | 5.9% |
| Other Indo-European | 2,736 | 4.8% |
| Asian & Pacific Islander | 135 | 0.2% |
| Other languages | 210 | 0.4% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 53,518 | 88.4% |
| Born in same state | 51,668 | 85.4% |
| Born in different state | 27,734 | 45.8% |
| Foreign born | 1,850 | 3.1% |
| Naturalized citizen | 6,996 | 11.6% |
| Not a US citizen | 4,254 | 60.8% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 5,136 | 8.5% |
| French | 3,880 | 6.4% |
| Arab | 1,876 | 3.1% |
| English | 330 | 0.5% |
| Polish | 293 | 0.5% |
| Ancestry | Count | % |
|---|---|---|
| German | 153 | 0.3% |
| Irish | 97 | 0.2% |
| Norwegian | 56 | 0.1% |
| Dutch | 23 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 38.1% |
| Internet access | 95.9% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 19720
What part of New Castle is ZIP code 19720?
ZIP code 19720 covers a portion of New Castle, Delaware, within New Castle County.
What county is ZIP code 19720 in?
ZIP code 19720 falls within New Castle County, Delaware.
What is the population of ZIP code 19720?
ZIP code 19720 has an estimated population of 60,514 residents, with a density of 1,580 people per square mile.
What is the typical home value in ZIP code 19720?
The median home value in ZIP code 19720 is $229,300.
What is the median household income in ZIP code 19720?
The median household income in ZIP code 19720 is $72,424, below the national median of ~$75,000.
What timezone is ZIP code 19720 in?
ZIP code 19720 observes the EST timezone.