PlainZIP

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
$79,701
Median income
$264,100
Median home value
24.4%
Bachelor's or higher

The verdict

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.

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 Delaware average), while per-capita income is $49,593. Poverty here runs at 8.5%, with unemployment measured at 5.5%. The typical home here is valued at $264,100 (30% below the state average); renters pay a median of $1,228 monthly, and 73.9% of units are owner-occupied.

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. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 19804, plus 6 more within New Castle County, give a clearer read than the national average alone.

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.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 19804?

41.5

Median Age

45.4%

Male

54.6%

Female

9.3%

Foreign-Born

White 64.7%
African American 14.4%
Asian 1.2%
American Indian or Alaska Native 0.3%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 9.8%
Hispanic or Latino 16.7%

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

How ZIP 19804 ranks nationally

Wilmington, DE household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$79,701 Top 38% higher than 62% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US 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?

High School Graduate or Higher 60.8%
Bachelor's Degree or Higher 24.4%

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

Owner 73.9%
Renter 26.1%

$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 19804 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 19804 ranks #5 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 19804 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

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.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
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

19720 standard
New Castle, DE
Pop: 59,250
19702 standard
Newark, DE
Pop: 51,899
19711 standard
Newark, DE
Pop: 51,322
19805 standard
Wilmington, DE
Pop: 40,937
19701 standard
Bear, DE
Pop: 39,194
19808 standard
Wilmington, DE
Pop: 38,442

Related Areas

New Castle County Wilmington, DE Delaware

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.

Read our methodology to see how this data is sourced, computed, and verified.