Wilmington, DE · standard
ZIP Code 19804
New Castle County, Delaware - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 17,944
- 927/sq mi High-density area
- $79,701
- Median income Near-median income area
- $264,100
- Median home value Near-median home value
- 24.4%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Wilmington pairs an above-median household income with above-median home values, in a low-density, homeowner-dominated area.
- Top 38%
- household income, US ZIPs
- Top 40%
- home value, US ZIPs
- 927
- people per sq mi
- 74%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 19804 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 19804 (Wilmington, DE) rose +6.1% from 2023 to 2024. The all-transactions index moved from 235.8 in 2023 to 250.1 in 2024 (2000 = 100).
ZIP code 19804 is a mid-sized community (a standard USPS delivery area) in Wilmington, New Castle County, Delaware, home to 17,944 residents across 19.4 square miles, a density of 927 people per square mile, in the New York time zone.
ZIP 19804 lands in the middle-income range, with a median household income of $79,701 (11% below the average Delaware ZIP), while per-capita income is $49,593. The poverty rate is 8.5%, with unemployment at 5.5%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $264,100 (30% below the average Delaware ZIP), and median rent is $1,228; owner occupancy is 73.9%.
Educational attainment sits below the national norm: 24.4% of adults hold a bachelor's degree or higher, the median age is 41.5, and the average commute is 25 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in New Castle County, so 19804 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 19804
Top 5 sectors by establishment count in Wilmington, DE
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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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 ZIP avg
$49,593
Per Capita Income
8.5%
Poverty Rate
5.5%
Unemployment Rate
24.8 min
Mean Commute Time
How ZIP 19804 ranks among Delaware ZIPs
Wilmington, DE household income vs. every Delaware ZIP code
Median household income among 61 reporting Delaware ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$79,701 43rd percentile higher than 43% of 61 Delaware ZIPs
Each bar is a $20K-wide band; taller bars hold more Delaware ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
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?
Housing stock: occupied vs vacant
8,119housing units
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 ZIP avg
$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 19804 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 19720
New Castle (19720)
59,250 residents
- 19711
Newark (19711)
51,322 residents
- 19805
Wilmington (19805)
40,937 residents
- 19808
Wilmington (19808)
38,442 residents
- 19804 17,944
Wilmington (19804)
17,944 residents
- 19801 16,286
Wilmington (19801)
16,286 residents
- 19806 9,560
Wilmington (19806)
9,560 residents
- 19807 7,405
Wilmington (19807)
7,405 residents
- 19710 41
Montchanin (19710)
41 residents
What this shows Among its immediate neighbors, ZIP 19804 ranks #5 by population - useful context the national average alone can't give.
ZIP 19804 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 19732
Rockland (19732)
$236,000 median income
- 19807
Wilmington (19807)
$153,341 median income
- 19711
Newark (19711)
$95,403 median income
- 19808 $94,234
Wilmington (19808)
$94,234 median income
- 19806 $88,855
Wilmington (19806)
$88,855 median income
- 19804 $79,701
Wilmington (19804)
$79,701 median income
- 19720 $75,403
New Castle (19720)
$75,403 median income
- 19805 $60,221
Wilmington (19805)
$60,221 median income
- 19801 $52,810
Wilmington (19801)
$52,810 median income
What this shows By household income, ZIP 19804 ranks #6 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 19804, both outside DE so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (17,944 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in New Castle County
Related Areas
Frequently Asked Questions
What county is ZIP code 19804 in?
ZIP code 19804 (Wilmington) is located in New Castle County, Delaware. New Castle County contains multiple ZIP codes, see the full list at /counties/new-castle-de.
What is the population of ZIP code 19804?
ZIP code 19804 in Wilmington, DE has a population of 17,944 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 19804?
The median household income in ZIP 19804 is $79,701, which is 4% above the national average of $76,288.
What is the average home value in ZIP 19804?
The median home value in ZIP 19804 is $264,100, which is 5% below the national average of $278,155.
What is the demographic makeup of ZIP 19804?
The largest racial group in ZIP 19804 is White at 64.7%. Hispanic or Latino residents make up 16.7% of the population.
How many businesses are in ZIP code 19804?
ZIP code 19804 has 603 business establishments employing approximately 8,518 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 19804?
The top industries by establishment count in ZIP 19804 are: Construction (118), Retail trade (73), Other services (except public administration) (69). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 19804?
According to the FHFA House Price Index, home values in ZIP 19804 increased by 6.1% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 150%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 19804?
In ZIP code 19804, 60.8% of residents aged 25+ have a high school diploma or higher, and 24.4% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 19804?
The mean commute time for workers in ZIP code 19804 is 24.8 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 19804?
In ZIP code 19804, approximately 73.9% of occupied housing units are owner-occupied and 26.1% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 19804?
The poverty rate in ZIP code 19804 is 8.5% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 19804's numbers, next.
- See how ZIP 19804 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Wilmington, DE ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.