Zip Code 19973
Seaford, Delaware — Sussex County
📍 ZIP code 19973 is in Seaford, Sussex County, Delaware.
ZIP code 19973 is located in Seaford, Sussex County, Delaware. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 25,786. The area code for ZIP code 19973 is 302.
Quick Answer
Zip code 19973 is in Seaford, Delaware (Sussex County). It has a population of 25,786, median household income of $62,668, and median home value of $254,300.
Population
25,786
Income
$62,668
Home Value
$254,300
Climate
87°F / 25°F
About Zip Code 19973
Zip code 19973 is located in Seaford, Delaware, within Sussex County. Home to approximately 25,786 residents, this area sits at an elevation of 27 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 302.
The median household income is $62,668 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $254,300, and the cost of living index is 85 (15% below the national average of 100).
Summers average a high of 87°F while winters drop to 25°F. The area receives about 46 in of rain and 13 in of snow annually. The zip code covers 78.7 square miles of land area and 1.9 square miles of water.
Key Statistics
25,786
$62,668
$254,300
Eastern (EST/EDT)
302
27 ft
78.7 sq mi
42.9
10,725
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Compare With Nearby Zip Codes
| Metric | 19973 | 19931 | 19933 | 19956 | 21659 | 21861 |
|---|---|---|---|---|---|---|
| City | Seaford, DE | Bethel, DE | Bridgeville, DE | Laurel, DE | Hurlock, MD | Sharptown, MD |
| Population | 25,786 | 431 | 11,409 | 16,274 | 1,480 | 806 |
| Median Income | $62,668 | $91,111 | $61,261 | $59,085 | $68,889 | $85,714 |
| Home Value | $254,300 | $276,300 | $231,300 | $233,500 | $202,100 | $186,700 |
| Cost of Living | 85 | 98 | 76 | 73 | 71 | 79 |
| Median Age | 42.9 | 52.4 | 38.9 | 36.5 | 50.2 | 37.7 |
Cost of Living
100 = National Average. Seaford's cost of living is 15% below the national average.
vs. State Avg
Below
Affordability
Affordable
Income-to-Home
4.1x
Demographics
Zip code 19973 has a population of 25,786 people with a median age of 42.9. There are 10,725 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Seaford (19973) population trend from 2010 to 2024
↑ 177.6%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
87°F
25°F
46 in
13 in
Seaford experiences warm summers with average highs around 87°F. Winters are cool with lows averaging 25°F. The area receives about 13 in of snow per year.
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Housing & Economy
Median Home Value
$254,300
Median Household Income
$62,668
With 10,725 housing units across 78.7 square miles, 19973 has a housing density of 136 units per square mile. The home price-to-income ratio is 4.1x.
Location & Geography
Latitude
38.6389°
Longitude
-75.6159°
Land Area
78.7 sq mi
Water Area
1.9 sq mi
Nearby Zip Codes
Zip codes closest to 19973 (Seaford, DE) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 19973's $62,668. A way to compare Seaford to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 19973 (Seaford, DE). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Seaford, Delaware?
Seaford, Delaware uses zip code 19973.
What county is zip code 19973 in?
Zip code 19973 is located in Sussex County, Delaware.
What is the population of zip code 19973?
The population of zip code 19973 is 25,786 with a median age of 42.9.
Is 19973 in Seaford, Delaware?
Yes, zip code 19973 is in Seaford, Sussex County, Delaware. The area code is 302.
Frequently Asked Questions
What city is zip code 19973 in?
Zip code 19973 is in Seaford, Delaware. It is part of Sussex County and uses the Eastern (EST/EDT) timezone.
What is zip code 19973?
Zip code 19973 is a U.S. postal code in Seaford, Delaware (Sussex County). It has a population of 25,786 and covers 78.7 square miles.
What is the population of zip code 19973?
The population of zip code 19973 (Seaford, DE) is 25,786 with a median age of 42.9. There are approximately 10,725 housing units in this area.
What is the median income in zip code 19973?
The median household income in zip code 19973 (Seaford, DE) is $62,668 per year. The cost of living index is 85 (100 = national average).
What is the average home price in zip code 19973?
The median home value in zip code 19973 (Seaford, DE) is $254,300. The cost of living index is 85 compared to the national average of 100.
What county is zip code 19973 in?
Zip code 19973 is located in Sussex County, Delaware. The primary city is Seaford.
What is the area code for zip code 19973?
Zip code 19973 in Seaford, DE uses area code 302. It is located in the Eastern (EST/EDT) timezone.
Is zip code 19973 a good place to live?
Zip code 19973 (Seaford, DE) has a cost of living index of 85 (100 = national average), a median household income of $62,668, and median home values of $254,300. The median age is 42.9. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 19973?
The cost of living index for zip code 19973 (Seaford, DE) is 85, where 100 represents the national average. This area is below the national average. Median home value: $254,300.
What schools serve zip code 19973?
Zip code 19973 in Seaford, Delaware is served by the local school district of Sussex County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.