South Bethany is a town in Sussex County, Delaware, home to about 545 people across 0.5 square miles. It has no ZIP code of its own: it’s part of 19930.
Homes sold for a median of $529 per square foot in the three months ending August 2026, a seller’s market.
Mostly Bethany Beach; part is in South Bethany
Each card is that ZIP code’s whole market, including any part outside South Bethany. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up South Bethany’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Philadelphia International Airport (PHL)93 miles away |
|---|---|
| Closer regional airport | Ocean City Municipal Airport (OCE)16 miles away |
| Nearest city of 250,000+ | Baltimore, MD98 miles away |
| Nearest city of 1 million+ | Philadelphia, PA102 miles away |
Straight-line distances from the center of South Bethany; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
South Bethany had 451 residents in the 2020 census, down 8% since 2000.
It’s the 61st largest of 79 towns in Delaware by population.
Sussex County grew from 42,276 residents in 1900 to 237,378 in 2020.
Sussex County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 84°F in summer, and winter lows average 28°F. About 42.7 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Ocean City Muni Ap, MD weather station (16 miles away).
78,541 jobs at 6,411 businesses in Sussex County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
10 doctors and other health care providers list an office in South Bethany.
Nearest hospitals
Providers with an office here
| Primary care doctors | 2 |
|---|---|
| Dentists | 1 |
| Nurse practitioners and physician assistants | 3 |
| Mental health providers | 2 |
| Physical and occupational therapists | 2 |
| Pharmacies | 2 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (3 nearby)
Grocery stores
Pharmacies (1 nearby)
Libraries (1 nearby)
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
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Shares ZIP codes with Bethany Beach.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.