Seaford, DE · standard
ZIP Code 19973
Sussex County, Delaware — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 23,838
- 117/sq mi
- $64,387
- Median income
- $278,300
- Median home value
- 17.5%
- Bachelor's or higher
The verdict
Seaford pairs a below-median household income with above-median home values, in a rural, homeowner-dominated area.
- 37th pct
- household income, US ZIPs
- Top 37%
- home value, US ZIPs
- 117
- people per sq mi
- 72%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 19973 against every reporting US ZIP.
ZIP code 19973 is classified by USPS as a standard delivery area and covers roughly 203.7 square miles in Seaford, Sussex County, Delaware. The area is home to 23,838 residents, producing a population density of 117 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 19973 against Delaware and the nation.
On the economic side, the median household income for ZIP 19973 sits at $64,387 (28% below the Delaware average), while per-capita income is $34,061. The poverty rate stands at 16.7% and the unemployment rate at 8.9%. On housing, the median home value is $278,300 (26% below the state average) with median rent at $1,135 per month, and 72.3% of occupied units are owner-occupied, a direct signal of whether 19973 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 17.5% of adults hold a bachelor's degree or higher, the median age is 41.3, and the average commute is 29 minutes. We also surface 4 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Sussex County, so you can benchmark 19973 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 19973
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 19973.
- Retail trade
Retail trade
98 establishments
- Health care and social assistance
Health care and social assistance
85 establishments
- Other services (except public administration)
Other services (except public administration)
65 establishments
- Construction
Construction
51 establishments
- Accommodation and food services
Accommodation and food services
51 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 19973, Seaford, 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
23,838
Population
203.7
Area (sq mi)
117
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 19973?
41.3
Median Age
48.8%
Male
51.2%
Female
7.3%
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?
$64,387
Median Household Income
-28% vs state
$34,061
Per Capita Income
16.7%
Poverty Rate
8.9%
Unemployment Rate
29.2 min
Mean Commute Time
How ZIP 19973 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$64,387 37th percentile higher than 37% of 30,318 US ZIPs
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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
11,141
Total Housing Units
10,266
Occupied Units
875
Vacant Units
2.59
Avg Household Size
Occupancy Type
$278,300
Median Home Value
-26% vs state
$1,135
Median Rent
1987
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
+11.8%
YoY Change (2024)
232
HPI Index (2000 = 100)
+132%
Total Change Since 2000
Home values in ZIP 19973 have increased 11.8% over the past year (2024). Since 2000, this ZIP has seen +132% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +3.1% | 157 |
| 2021 | +11.4% | 174 |
| 2022 | +15.3% | 201 |
| 2023 | +3.1% | 207 |
| 2024 | +11.8% | 232 |
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 608 business establishments in ZIP 19973, employing approximately 9,140 people with a combined annual payroll of $465,514,000.
608
Businesses
9,140
Employees
$465.5M
Annual Payroll
17
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Retail trade | 98 | 16.1% |
| Health care and social assistance | 85 | 14.0% |
| Other services (except public administration) | 65 | 10.7% |
| Construction | 51 | 8.4% |
| Accommodation and food services | 51 | 8.4% |
| Administrative and support and waste management and remediation services | 38 | 6.3% |
| Professional, scientific, and technical services | 37 | 6.1% |
| Wholesale trade | 36 | 5.9% |
| Transportation and warehousing | 35 | 5.8% |
| Finance and insurance | 32 | 5.3% |
| Real estate and rental and leasing | 32 | 5.3% |
| Manufacturing | 21 | 3.5% |
| Arts, entertainment, and recreation | 8 | 1.3% |
| Information | 6 | 1.0% |
| Educational services | 4 | 0.7% |
| Mining, quarrying, and oil and gas extraction | 3 | 0.5% |
| Management of companies and enterprises | 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 19973 vs 19931 →
ZIP 19973 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 19973
Seaford (19973)
23,838 residents
- 19956
Laurel (19956)
15,500 residents
- 19933 8,535
Bridgeville (19933)
8,535 residents
- 21861 757
Sharptown (21861)
757 residents
- 19931 211
Bethel (19931)
211 residents
What this shows Among its immediate neighbors, ZIP 19973 ranks the most populous — useful context the national average alone can't give.
ZIP 19973 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 19931
Bethel (19931)
$99,375 median income
- 21861
Sharptown (21861)
$86,027 median income
- 19956
Laurel (19956)
$65,603 median income
- 19973
Seaford (19973)
$64,387 median income
- 19933
Bridgeville (19933)
$60,703 median income
What this shows By household income, ZIP 19973 ranks #4 of 5 neighboring ZIPs — local affluence varies block to block, not just metro to metro.
More ZIP Codes in Sussex County
Related Areas
Frequently Asked Questions
What county is ZIP code 19973 in? ▼
What is the population of ZIP code 19973? ▼
What is the median household income in ZIP 19973? ▼
What is the average home value in ZIP 19973? ▼
What is the demographic makeup of ZIP 19973? ▼
How many businesses are in ZIP code 19973? ▼
What are the main industries in ZIP code 19973? ▼
How have home values changed in ZIP code 19973? ▼
What is the education level in ZIP code 19973? ▼
What is the average commute time in ZIP 19973? ▼
What percentage of residents own vs. rent in ZIP 19973? ▼
What is the poverty rate in ZIP code 19973? ▼
ZIP Code Research Guides
Official Data Resources for Seaford, DE
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.