ZIP Code 19891 in Wilmington, DE

Business & Employment Statistics

ZIP Code 19891 is assigned to a single organization or institution. Detailed business demographics are not published for unique ZIP Codes.

Geography, Land Area, & Statistical Classifications

ZIP Code 19891 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 0.00% of whom live in ZIP Code 19891, and is subdivided into the Wilmington, DE-MD-NJ division. It covers 0 sq mi of land and a water area of 0 sq mi.

Adjacent & Nearby ZIP Codes

• 19880: PO BOX
• 19899: PO BOX
• 19802: Wilmington, DE
• 19806: Wilmington, DE
• 19801: Wilmington, DE
• 19805: Wilmington, DE
• 19809: Wilmington, DE
• 19803: Wilmington, DE
• 19710: PO BOX
• 19732: PO BOX
• 19804: Wilmington, DE
• 19807: Wilmington, DE
• 19735: Winterthur, DE
• 19850: PO BOX
• 08023: PO BOX
• 19810: Wilmington, DE
• 19736: Yorklyn, DE
• 08069: Penns Grove, NJ
• 19703: Claymont, DE
• 19808: Wilmington, DE

Schools in ZIP Code 19891

We could not locate which school district 19891 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Colleges & Post Secondary Schools near ZIP Code 19891

Sources & References

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 January 1, 2026.

1. U.S. Postal Service [Last Updated: 1/1/2026], https://www.usps.com
2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 1/1/2026], https://www.zip-codes.com
3. U.S. Census [Updated: Varies], https://www.census.gov
   • U.S. Census Office of Management and Budget [Updated: As Released]
   • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
   • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
   • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
   • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
6. National Center for Education Statistics [Updated: 1/1/2026], https://nces.ed.gov