ZIP Code 19804
standardSource:
Wilmington · New Castle County · Delaware
- Population
- 17,944
- Median income
- $79,701
- Median home value
- $264,100
- Bachelor's or higher
- 24.4%
- Land area
- 19.4 sq mi
927/sq mi
▲ 4% vs US
higher than 62% of US ZIPs
▼ 5% vs US
higher than 60% of US ZIPs
Median age 41.5
New York
ZIP code 19804 in Wilmington, Delaware has a population of 17,944. The median household income is $79,701, which is 4% above the national average. Median home value is $264,100, 5% below the US average. 24.4% of residents hold a bachelor's degree or higher.
ZIP code 19804 is classified by USPS as a standard delivery area and covers roughly 19.4 square miles in Wilmington, New Castle County, Delaware. The area is home to 17,944 residents, producing a population density of 927 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 19804 against Delaware and the nation.
On the economic side, the median household income for ZIP 19804 sits at $79,701 (11% below the Delaware average), while per-capita income is $49,593. The poverty rate stands at 8.5% and the unemployment rate at 5.5%. On housing, the median home value is $264,100 (30% below the state average) with median rent at $1,228 per month, and 73.9% of occupied units are owner-occupied, a direct signal of whether 19804 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 24.4% of adults hold a bachelor's degree or higher, the median age is 41.5, and the average commute is 25 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing New Castle County, so you can benchmark 19804 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 19804
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 19804.
- Construction
Construction
118 establishments
- Retail trade
Retail trade
73 establishments
- Other services (except public administration)
Other services (except public administration)
69 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
62 establishments
- Administrative and support and waste management and remediation services
Administrative and support and waste management and remediation services
52 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 19804, Wilmington, DE · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
17,944
Population
19.4
Area (sq mi)
927
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 19804?
41.5
Median Age
45.4%
Male
54.6%
Female
9.3%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$79,701
Median Household Income
-11% vs state
$49,593
Per Capita Income
8.5%
Poverty Rate
5.5%
Unemployment Rate
24.8 min
Mean Commute Time
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
8,119
Total Housing Units
7,677
Occupied Units
442
Vacant Units
2.44
Avg Household Size
Occupancy Type
$264,100
Median Home Value
-30% vs state
$1,228
Median Rent
1957
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+6.1%
YoY Change (2024)
250
HPI Index (2000 = 100)
+150%
Total Change Since 2000
Home values in ZIP 19804 have increased 6.1% over the past year (2024). Since 2000, this ZIP has seen +150% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +6.0% | 176 |
| 2021 | +8.7% | 191 |
| 2022 | +11.6% | 213 |
| 2023 | +10.8% | 236 |
| 2024 | +6.1% | 250 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 603 business establishments in ZIP 19804, employing approximately 8,518 people with a combined annual payroll of $464,037,000.
603
Businesses
8,518
Employees
$464.0M
Annual Payroll
16
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 118 | 19.6% |
| Retail trade | 73 | 12.1% |
| Other services (except public administration) | 69 | 11.4% |
| Professional, scientific, and technical services | 62 | 10.3% |
| Administrative and support and waste management and remediation services | 52 | 8.6% |
| Wholesale trade | 35 | 5.8% |
| Manufacturing | 33 | 5.5% |
| Health care and social assistance | 31 | 5.1% |
| Real estate and rental and leasing | 30 | 5.0% |
| Transportation and warehousing | 28 | 4.6% |
| Accommodation and food services | 27 | 4.5% |
| Finance and insurance | 13 | 2.2% |
| Arts, entertainment, and recreation | 10 | 1.7% |
| Information | 8 | 1.3% |
| Educational services | 7 | 1.2% |
| Industries not classified | 3 | 0.5% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 19804 vs 19805 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 19805 | Wilmington, DE | 40,937 | 2.4 mi |
| 19808 | Wilmington, DE | 38,442 | 2.9 mi |
| 19720 | New Castle, DE | 59,250 | 4.9 mi |
| 19801 | Wilmington, DE | 16,286 | 4.1 mi |
| 19807 | Wilmington, DE | 7,405 | 5.6 mi |
| 19806 | Wilmington, DE | 9,560 | 4.3 mi |
| 19735 | Winterthur, DE | 12 | 6.2 mi |
| 19710 | Montchanin, DE | 41 | 5.6 mi |
| 19732 | Rockland, DE | 25 | 5.3 mi |
| 19711 | Newark, DE | 51,322 | 6.4 mi |
More ZIP Codes in New Castle County
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Frequently Asked Questions
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ZIP Code Research Guides
Official Data Resources for Wilmington, DE
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.