| City: | New Castle, Delaware |
| City Alias: | Historic New Castle, Hst Newcastle, Manor |
| Names to Avoid: | Minquadale |
| County: | New Castle County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 12:06:56 AM |
| Population: | 61,043 [See All] |
| Area Code: | 302 |
| Classification: | Standard [Normal Street Delivery] |
| Coordinates: | 39.6382, -75.5872 |
| Land Area: | 38.303 sq mi |
| Quick Link: |
ZIP Code 19720 has 61,043 residents and 23,046 households (average 2.62 persons per household). The median age is 39.0 years, slightly younger than the state (41.1) and about the same as the nation (38.8). The gender split is 47.6% male and 52.4% female, which is slightly lower than the national male share (49.1%), making this a female-majority area. Largest groups are Black or African American (41.4%, much higher than the state average of 22.1% and well above the national average of 12.4%) and White (38.0%, much lower than the state average of 60.4% and well below the national average of 61.6%); Hispanic or Latino residents make up 17.2%, which is higher than the state average (10.5%), and Black or African American share is much higher than both the state (22.1%) and national averages (12.4%).
Explore More: Population Over Time By Age & Gender By Race By Gender Nativity & Citizenship
| 2020 Population: | 61,043Source: Census DHC |
| 2023 ACS Population Estimate: | 60,593Source: Census ACS |
| 2025 ZC Population Estimate: | 60,529Source: ZIP-Codes.com |
| Population Density: | 1,593.7 people per sq mile |
| Average Income: | $75,985Source: Census ACS |
| Households: | 23,046Source: Census DHC |
| Average House Value: | $242,600Source: Census ACS |
| Persons Per Household: | 2.62Source: Census DHC |
| Average Family Size: | 3.48Source: Census ACS |
| Group | 2010 | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Census ACS Population Estimate | -- | 60,384 | 61,095 | 59,808 | 60,491 | 61,833 | 61,615 | 61,152 | 61,324 | 59,664 | 59,410 | 60,599 | 60,514 | 60,593 |
| Decennial Census | 59,250 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 61,043 | -- | -- | -- |
Median Age: 39
Male Median Age: 37.5
Female Median Age: 40.3
| Group | < 5 | 5-9 | 10-14 | 15-19 | 20-24 | 25-29 | 30-34 | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | 75-79 | 80-84 | 85+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Male | 1,653 | 1,795 | 2,068 | 2,115 | 1,969 | 1,972 | 2,002 | 1,815 | 1,707 | 1,814 | 2,066 | 2,218 | 1,875 | 1,444 | 1,143 | 696 | 413 | 315 |
| Female | 1,666 | 1,783 | 1,992 | 1,940 | 2,044 | 2,161 | 2,169 | 2,081 | 1,974 | 2,105 | 2,255 | 2,296 | 2,145 | 1,858 | 1,459 | 904 | 621 | 510 |
| Total | 3,319 | 3,578 | 4,060 | 4,055 | 4,013 | 4,133 | 4,171 | 3,896 | 3,681 | 3,919 | 4,321 | 4,514 | 4,020 | 3,302 | 2,602 | 1,600 | 1,034 | 825 |
| White: | 23,188 | 34.92% |
| Black: | 25,276 | 38.07% |
| Hispanic:* | 10,485 | 15.79% |
| Asian: | 1,670 | 2.52% |
| American Indian: | 382 | 0.58% |
| Hawaiian: | 32 | 0.05% |
| Other: | 5,361 | 8.07% |
| Total: | 66,394 | 100% |
| Gender | Count | % | Median Age |
|---|---|---|---|
| Males: | 29,080 | 47.64% | 37.5 years |
| Females: | 31,963 | 52.36% | 40.3 years |
| Total: | 61,043 | 100% | 39.0 years |
| Native, born in the United States: | 51,440 | 84.89% |
| Native, born in PR, Island Areas, or abroad: | 1,770 | 2.92% |
| Foreign born, naturalized U.S. citizen: | 4,061 | 6.70% |
| Foreign born, not a U.S. citizen: | 3,322 | 12.18% |
| Total Population: | 60,593 | 100% |
| Total Native Population: | 53,210 | 87.82% |
| Total Foreign-born Population: | 7,383 | 12.18% |
In 2023, the Median household income is $75,985, which is well under the state median ($82,855), is up $22,597 (42.3%) since 2011 and above its 2019 pre-pandemic level by $13,106. Family households earn a median of $91,681 versus $46,945 for nonfamily households (a difference of $44,736). By gender, male median income is $55,556 and female is $50,263, which is well under the state female median ($55,676), with a current gap of $5,293 that has narrowed from 2011 to 2023. The labor-force participation rate is 68.5%, which is higher than the state rate (62.3%). The unemployment rate is 3.5%, which is better than the national rate (5.2%). The largest occupation group is Management (34.6%).
Explore More: Income Over Time Household Income Employment Status By Occupation
| Income Type | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Household Income | $53,388 | $54,085 | $54,233 | $54,256 | $55,078 | $57,032 | $59,348 | $60,409 | $62,879 | $63,018 | $67,700 | $72,424 | $75,985 |
| Median Family Income | $60,285 | $59,881 | $59,782 | $60,875 | $62,234 | $64,127 | $67,980 | $71,899 | $75,929 | $80,383 | $83,990 | $88,733 | $91,681 |
| Median NonFamily Income | $36,798 | $36,473 | $35,622 | $37,367 | $36,808 | $36,725 | $38,764 | $39,094 | $39,406 | $34,881 | $41,667 | $45,672 | $46,945 |
| Median Male Income | $43,449 | $44,032 | $44,243 | $44,875 | $46,616 | $49,947 | $50,486 | $50,913 | $52,689 | $51,495 | $51,005 | $53,408 | $55,556 |
| Median Female Income | $37,492 | $36,914 | $38,267 | $38,473 | $37,590 | $37,557 | $40,295 | $40,206 | $41,974 | $42,127 | $45,812 | $48,178 | $50,263 |
| Employed: | 31,924 | 65.78% |
| Unemployed: | 1,168 | 2.41% |
| Not In Labor Force: | 15,438 | 31.81% |
| Total: | 48,530 | 100% |
| Management, business, science, and arts: | 11,044 | 34.59% |
| Service: | 6,950 | 21.77% |
| Sales and Office: | 6,216 | 19.47% |
| Natural resources, construction, and maintenance: | 2,343 | 7.34% |
| Production, transportation, and material moving: | 5,371 | 16.82% |
| Total Civilian Employed Population: | 31,924 | 100% |
In 2023, the median home value is $242,600, which is considerably lower than the state median ($326,800), is up $46,600 (23.78%) since 2011 and above its 2019 pre-pandemic level by $52,800. The median gross rent is $1,282, which is slightly below the national median ($1,348), is up $327 (34.24%) since 2011 and above its 2019 pre-pandemic level by $159. Of occupied housing, owners make up 67.19% (70.17% with a mortgage, 29.83% free-and-clear) and renters 32.81% - making this ZIP Code less home ownership than the state and under national rental averages. The vacancy rate is 4.78%, which is markedly below the state rate (13.48%).
Explore More: Compare Home Value Home Value Over Time Rent & Over Time Housing Occupancy
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Home Value | $196,000 | $197,000 | $190,700 | $189,800 | $188,100 | $185,900 | $186,800 | $190,300 | $189,800 | $197,700 | $203,800 | $229,300 | $242,600 |
| Less than $500: | 214 | 2.82% |
| $500 to $999: | 875 | 11.55% |
| $1,000 to $1,499: | 3,852 | 50.82% |
| $1,500 to $1,999: | 2,115 | 27.91% |
| $2,000 to $2,499: | 309 | 4.08% |
| $2,500 to $2,999: | 0 | 0.00% |
| $3,000 or more: | 0 | 0.00% |
| No Rent: | 214 | 2.82% |
| Total: | 7,579 | 100% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Rent | $955 | $966 | $973 | $988 | $998 | $1,032 | $1,072 | $1,113 | $1,123 | $1,124 | $1,208 | $1,229 | $1,282 |
| Owner Occupied (with mortgage): | 10,892 | 47.15% |
| Owner Occupied (free and clear, no mortgage): | 4,631 | 20.05% |
| Renter Occupied: | 7,579 | 32.81% |
| Total Occupied Housing Units: | 23,102 | 100% |
| Occupied Housing Units: | 23,102 | 95.22% |
| Vacant Housing Units (not graphed): | 1,160 | 4.78% |
| Total Housing Units: | 24,262 | 100% |
| Single-Family Units: | 18,112 | 74.65% |
| Multi-Family Units: | 5,849 | 24.11% |
| Other Units: | 301 | 1.24% |
| Total Housing Units: | 24,262 | 100% |
In 2023, 21.60% of adults (25+) have a bachelor's degree or higher, which is markedly below the state rate (35.30%). High school or higher is 89.20%, which is just under the state rate (91.40%). The uninsured rate is 8.30%, which is notably higher than the state rate (6.20%). The share of people in poverty is 6.50%, which is falls below the national rate (8.70%), down 3.40 percentage points since 2011 and below its 2019 pre-pandemic level by 2.00 percentage points. This suggests a positive shift in the local economic and social landscape - higher incomes, steadier consumer demand, and a strengthening tax base. Among residents ages 3+, the largest enrollment group is elementary (42.60%). College enrollment is 22.32%, which is markedly below the state rate (27.90%), indicating the community may be more oriented toward vocational/trade or direct-to-workforce opportunities.
Explore More: Educational Attainment Health Insurance Poverty Over Time School Enrollment
| Less than 9th grade: | 1,823 | 4.27% |
| 9th to 12th grade, no diploma: | 2,774 | 6.49% |
| High school graduate (includes equivalency): | 16,764 | 39.23% |
| Some college, no degree: | 8,462 | 19.80% |
| Associate's degree: | 3,664 | 8.58% |
| Bachelor's degree: | 5,422 | 12.69% |
| Graduate or professional degree: | 3,819 | 8.94% |
| Total: | 42,728 | 100% |
| High school or higher: | 38,131 | 89.24% |
| Bachelor's degree or higher: | 9,241 | 21.63% |
| Private Insurance: | 40,519 | 59.24% |
| Public Insurance: | 22,898 | 33.48% |
| No Insurance: | 4,984 | 7.29% |
| Total: | 68,401 | 100% |
| Has Health Insurance: | 63,417 | 92.71% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % of People in Poverty | 9.9% | 9.9% | 9.7% | 10.2% | 11.0% | 9.7% | 10.1% | 9.7% | 8.5% | 6.4% | 6.4% | 5.9% | 6.5% |
Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.
| Nursery School, Preschool: | 1,019 | 7.56% |
| Kindergarten: | 448 | 3.33% |
| Elementary school (grades 1-8): | 5,738 | 42.60% |
| High school (grades 9-12): | 3,259 | 24.19% |
| College or graduate school: | 3,007 | 22.32% |
| Total: | 13,471 | 100% |
| Early Childhood: | 1,467 | 10.89% |
| K-12 (Primary & Secondary School): | 9,445 | 70.11% |
ZIP Code 19720 supports both business and residential activity. According to the Business Census (2023), there are 1,540 business establishments, employing about 38,185 people with an annual payroll of $2,284,345,000. USPS data shows 23,103 residential mailboxes and 1,595 business mailboxes, reflecting local delivery coverage.
| # Residential Mailboxes: | 23,103Source: USPS |
| # Business Mailboxes: | 1,595Source: USPS |
| Total Delivery Receptacles: | 24,916Source: USPS |
| Single Family Delivery Units: | 16,730Source: USPS |
| Multi Family Delivery Units: | 2,134Source: USPS |
| # of Businesses: | 1,540Source: CBP |
| 1st Quarter Payroll: | $588,675,000Source: CBP |
| Annual Payroll: | $2,284,345,000Source: CBP |
| # of Employees: | 38,185Source: CBP |
ZIP Code 19720 is located in New Castle County, Delaware, within the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD Metropolitan Statistical Area (CBSA 37980). This Metro area has a population of 6,241,882 people, about 0.98% of whom live in ZIP Code 19720, and is subdivided into the Wilmington, DE-MD-NJ division. It covers 38.303 sq mi of land and a water area of 3.076 sq mi.
| CBSA Name: | Philadelphia-Camden-Wilmington, PA-NJ-DE-MDSource: Census |
| CBSA Number: | 37980Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | Wilmington, DE-MD-NJ (CBSA Div 48864)Source: Census |
| CBSA Population: | 6,241,882Source: Census |
| MSA: | Philadelphia-Wilmington-Atlantic City, PA-NJ-DE-MD CMSASource: Census |
| Land Area: | 38.303 sq miSource: Census |
| Water Area: | 3.076 sq miSource: Census |
| Congressional District: | No DistrictsSource: USPS |
| Congressional Land Area: | sq miSource: Census |
| PMSA: | Wilmington-Newark, DE-MD PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 1050800Source: Census |
| Place Name: | New Castle city; DelawareSource: Census |
ZIP Code 19720 is in the Colonial School District, which serves grades Pre-Kindergarten thru 12th. There are 15 public schools and 3 private school(s) in this ZIP Code. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on October 1, 2025.