Get API Key →
US ZIP Code Profile

ZIP Code 19805
Wilmington, Delaware

ZIP code 19805 is in Wilmington, located in New Castle County, Delaware, within the Philadelphia-Camden-Wilmington metro area. Its 2020 Census population was 39,985. The estimated median adjusted gross income per tax return is $37,105, and about 2% of filers report $200,000 or more.

2020 Population
39,985
Census ZCTA
County
New Castle
FIPS 10003
Median income (est.)
$37,105
IRS SOI 2022
Land Area
5.316 mi²
+ 0.002 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityWilmington, DE
CountyNew Castle County (FIPS 10003)
StateDelaware (FIPS 10)
Metro Area (MSA)Philadelphia-Camden-Wilmington, PA-NJ-DE-MD Metro Area (37980)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates39.743748, -75.59333
Land / Water Area5.316 mi² land · 0.002 mi² water

02Income & Economics

Distribution of the 18,700 individual tax returns filed in 19805 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
34.4%
$25K–$50K
32.1%
$50K–$75K
15.9%
$75K–$100K
7.5%
$100K–$200K
8.1%
$200K+
1.8%
The $200,000+ bracket accounts for 14% of 19805's total adjusted gross income, from 2% of returns — a concentration that drives the gap between the median ($37,105) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 19805's IRS income metrics, 2020–2022.

Median income (2021→2022)
$37,105
▲ 7.4%
Filers earning $200K+
1.8%
▲ 0.1 pt
Total filers
18,700
▲ 1.5%
GET /zipc/v2/zipcodes/19805/soi?year=… $33K 2020 $35K 2021 $37K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 19805 ZCTA.

2000
40,106
 
2010
40,937
▲ +2.1%
2020
39,985
▼ -2.3%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 19805. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 19805

Wilmington and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 19805 to any ZIP

Enter a 5-digit ZIP to calculate the distance.

06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number096820
City AliasesElsmere, Wilmington

07Frequently Asked Questions

What county is ZIP code 19805 in?

ZIP code 19805 is in New Castle County, Delaware (county FIPS code 10003).

What city is ZIP code 19805?

The primary USPS city for 19805 is Wilmington, DE.

What metro area (MSA) is 19805 in?

19805 is part of the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD Metro Area (MSA code 37980).

What is the population of ZIP code 19805?

The 2020 Census population of 19805 was 39,985 residents.

What is the median income in ZIP code 19805?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 19805 is about $37,105, with around 2% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.