Data Last Updated: January 1, 2025

Sussex County, DE ZIP Codes

ZIP Codes: Shows how many general ZIP Codes, PO Boxes, Unique (Business), and Multi County ZIP Codes are associated with Sussex, DE.	24 ZIP Codes (22 General, 1 PO Box, 0 Unique, & 1 Multi County) [More Details]
Area Code: The Telephone Area Code that are associated with Sussex, DE. Area Codes are used in the North American Numbering Plan (NANP) to facilitate phone routing. There are approximately 350 area codes in use in the United States.	302
Timezone: Time zone designation within the U.S. Please note that not all areas in the U.S. observe daylight saving time which can affect actual local time for this city. There are 7 standard time zones which are, from west to east: Hawaii-Aleutian, Alaska, Pacific, Mountain, Central, Eastern, Atlantic. Also included in U.S. Territories are Samoa, Guam and Palau.	Eastern
Local Time: The current local time for each timezone. If more than 1 time zone for this area, all local times will be shown. Counties can cross timezones, so more than 1 may be shown.	12:00:00 AM
Population: The population of Sussex, DE from the U.S. Census 2020. Included are U.S. Citizens, permanent residents, temporary migrants, and undocumented individuals. The total population represents people who live in the city, not just those present while the Census was being completed.	237,378 [More Details]
FIPS: FIPS stands for Federal Information Processing Standards, which are a set of publicly announced standards for computer systems. A county FIPS code is a unique numeric identifier for a county in the United States, assigned by the National Institute of Standards and Technology (NIST). County FIPS codes have five digits, with the first two digits identifying the state and the last 3 indicating the county.	10005
CBSA: A Core Based Statistical Area (CBSA) is the recognized term for a region that functions around an urban core with a population of at least 10,000 people, according to the standards set by the Office of Management and Budget (OMB) in 2000. A CBSA is divided into two subsets: Metro and Micro, and these classifications are determined by population density. A Micro area is identified by a population ranging between 10,000 to 50,000, while a Metro area is defined as having a population that exceeds 50,000.	Seaford, DE
Land Area: The approximate amount of land area covered by Sussex, DE in square miles. The Land Area provided by the Census Bureau is based on geographic boundaries that include the mainland, islands, inland, coastal, Great Lakes, and territorial waters associated with each city.	936 square miles
Water Area: The approximate amount of water area covered by Sussex, DE in square miles. Calculations by the Census Bureau for Water Area take into account inland bodies of water, coastal regions, Great Lakes, and territorial sea waters. This encompasses features such as lakes, reservoirs, rivers, and coastal water bodies.	260 square miles
Coordinates: The latitude/longitude centroid coordinates for Sussex County, DE.	-75.390046, 38.660565
Quick Link: Copy the direct link to the Sussex, DECounty page and use anywhere you like!	https://www.zip-codes.com/county/de-sussex.asp

Sussex, DE ZIP Code Boundaries

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Sussex County, DE Covers 24 ZIP Codes

ZIP Code	Classification	City	Population	% of Population
ZIP Code 19930	General	Bethany Beach	2,657	1.12%
ZIP Code 19931	General	Bethel	258	0.11%
ZIP Code 19933	General	Bridgeville	9,784	4.12%
ZIP Code 19939	General	Dagsboro	7,357	3.10%
ZIP Code 19940	General	Delmar	6,541	2.76%
ZIP Code 19941	General	Ellendale	2,857	1.20%
ZIP Code 19944	General	Fenwick Island	519	0.22%
ZIP Code 19945	General	Frankford	8,041	3.39%
ZIP Code 19947	General	Georgetown	20,964	8.83%
ZIP Code 19950	General	Greenwood	7,095	2.99%
ZIP Code 19951	General	Harbeson	1,986	0.84%
ZIP Code 19952 *	General	Harrington	10,621	--
ZIP Code 19956	General	Laurel	16,327	6.88%
ZIP Code 19958	General	Lewes	27,911	11.76%
ZIP Code 19960	General	Lincoln	7,121	3.00%
ZIP Code 19963	General	Milford	20,827	8.77%
ZIP Code 19966	General	Millsboro	32,520	13.70%
ZIP Code 19967	General	Millville	1,802	0.76%
ZIP Code 19968	General	Milton	13,800	5.81%
ZIP Code 19969	P.O. Box	Nassau	0	0.00%
ZIP Code 19970	General	Ocean View	8,591	3.62%
ZIP Code 19971	General	Rehoboth Beach	14,348	6.04%
ZIP Code 19973	General	Seaford	25,550	10.76%
ZIP Code 19975	General	Selbyville	10,476	4.41%

* Indicates a Multi County ZIP Code. These ZIP Codes partially cross over into Sussex, DE, but will mostly cover area in a different County. Not included in % of Population calculations.

Important Sussex, DE Information

Sussex County, DE Covers 24 ZIP Codes. This includes 22 General ZIP Codes, 1 PO Box ZIP Codes, and 0 Unique (reserved for Business and Volume Mail Receivers). There is also 1 Multi County ZIP Code in this area. This record is assigned to a different county, but it does partially cover area in Sussex County.

The population for Sussex County is 237,378, according to the U.S. Census. Population Density is 253.61 persons per square mile. With 142,280 Housing Units, the Average Household Size is 2.38 persons. There are 98,514 Family Households with an Average Family Size of 3.00 persons. 5.20% of the population is without Health Insurance. The 51.93% Employment Rate is 7.87% above the national average of 59.8%.176,430 people aged 25+ have some educational achievement, with 30.40% (or 53,641 people) having attained a Bachelor's Degree or higher.More Demographics are available below.

302 is the only area code for this area. Sussex is also located in the Eastern timezone and the current local time is shown above.

Sussex is part of the Seaford, DE Core Based Statistical Area (CBSA). Its CBSA Code is 42580.It is classified as a micro area, which means it has an urban core of at least 10,000 but less then 50,000 people.

CBSAs are defined by the OMB as geographic areas that have at least one core with a population of 10,000 or more and adjacent territory with a high degree of social and economic integration. CBSA codes are commonly used to accurately file Medicare claims and to verify applicable incentives using a patient's ZIP Code.

ZIP Codes in Sussex, DE have 144,060 Residential mailboxes and 6,548 Business mailboxes.There are 6,738 businesses with a total of 83,014 employees. That is an average of 12.3 employees per business. Annual payroll for these businesses is $3,945,054,000. Other Demographics

Sussex County Demographic Profile

Population & People

Total Population

237,378

Income

Median Household Income

$68,886

Housing

Total Housing Units

142,280

Health

Without Healthcare Coverage

5.20%

Business & Economy

Total Businesses

6,738

Families

Total Households

98,514

Employment

Employment Rate

51.93%

Education

Bachelor's Degree or Higher

30.40%

Total Population: Total number of people from the 2020 U.S. Census for Sussex, DE. This reflects the exact count of this area at that point in time, not future estimates, regardless of citizenship or immigration status. It is intended to count all persons living within the geographic area, not just those present on the day of the census.	237,378
Current Population Estimate: This field gives the estimated household population for All ZIP Codes in Sussex, DE. This is derived from known delivery information, household occupancy rates, household size, and more to come up with an accurate estimation for the current population. IMPORTANT: This does not include population totals for persons in nursing homes, correctional facilities, or other institutions. This is an estimation of the household population based on US Postal Service delivery information.	336,699
Total Households: Total number of Households from the 2020 U.S. Census for Sussex, DE. A Household includes everyone living in a residential housing unit. This includes families, roommates in a single residence, or a person living alone.	98,514
Total Housing Units: The total number of Housing Units is the number of occupied units + the number of vacant units. Ownership is defined by whether the unit is occupied by an owner or by a tenant. Owner occupancy means that the owner lives in the unit. This value comes from the 2020 U.S. Census and is not a projection or estimate.	142,280
Average Household Size: The Average Household Size, is obtained by dividing the number of people in Households (excluding those in group quarters, nursing home, prisons, and dorm rooms) by the number of Households. A Household includes everyone living in a residential unit. Those who do not live in a household are classified as living in group accommodation. This value is an estimate from the U.S. Census ACS (American Community Survey) and is updated yearly.	2.38
Average Family Size: Average Family Size is calculated by dividing the number of people in a Family Household by the number of Family Households. The U.S. Census Bureau defines family households as households consisting of two or more individuals who are related by birth, marriage, or adoption. They also may include other unrelated people. Non-family households consist of people who live alone or who share their residence with unrelated individuals. The Average Family Size only looks at the households classified as Family Households. This value is an estimate from the U.S. Census ACS (American Community Survey) and is updated yearly.	3.00

Other Sussex Demographics

# Residential Mailboxes: The number of active residential delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	144,060
# Business Mailboxes: The number of active business delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	6,548
Total Delivery Receptacles: The total number of delivery receptacles. This includes curb side mailboxes, centralized units, PO Boxes, NDCBU, and contract boxes. This count is for Residential and Business combined.	195,940
Single Family Delivery Units: Total count of single family mail delivery receptacles; generally analogous to homes.	89,621
Multi Family Delivery Units: Total count of multifamily mail delivery receptacles; generally analogous to apartments.	8,201

# of Businesses: The total number of Business Establishments. Data taken from Business Census 2023.	6,738
1st Quarter Payroll: The total payroll for the first quarter. Data taken from Business Census 2023.	$882,355,000
Annual Payroll: The total annual payroll . Data taken from Business Census 2023.	$3,945,054,000
# of Employees: The total number of employees for all ZIP Codes in this City. Data taken from Business Census 2023.	83,014

Sum of all ZIP Codes assigned Sussex, DE as their primary County.

References

U.S. Postal Service [Last Updated: 1/1/2025], https://www.usps.com
ZIP-Codes.com Internal Data Creation [Last Updated: 1/1/2025], https://www.zip-codes.com
U.S. Geological Survey [Updated as needed], https://www.usgs.gov
U.S. Census [Updated Yearly], https://www.census.gov
U.S. Census 2020 [Decennial] [Last Updated: 5/25/2023], https://www.census.gov