Fullerton
Census-designated place in Lehigh County, Pennsylvania

Fullerton is an unincorporated community (census-designated place) in Lehigh County, Pennsylvania, with 16,588 residents (2020 Census). It sits at 374 ft (114 m) above sea level. The nearest town is Catasauqua, 1.9 miles NE.
- 16,588residents (2020 Census)
- 374 ftelevation · 114 m
- 3.7 sq miland area · 9.5 km²
- 4,520 / sq mipopulation density
- 18102main ZIP code (3 in total)
About Fullerton
Fullerton is an unincorporated area and census-designated place (CDP) in Whitehall Township, Pennsylvania. The population of Fullerton was 16,588 as of the 2020 census.
Fullerton is a suburb of Allentown in the Lehigh Valley metropolitan area, which had a population of 861,899 and was the 68th-most populous metropolitan area in the U.S. as of the 2020 census.
Text: Wikipedia · CC BY-SA 4.0
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Living in Fullerton
- Median household income
- $69,317
- Median home value
- $239,700
- Median rent
- $1,428/mo
- Median age
- 34.4
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Map of Fullerton
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Open in Google Maps ›Fullerton, PA population
Fullerton had 16,588 residents in the 2020 Census.
| 2020 Census | 16,588 |
|---|---|
| Density | 4,520 per sq mi (1,745 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Fullerton at a glance
| State | Pennsylvania (PA) |
|---|---|
| County | Lehigh County |
| Type | Census-designated place |
| Population | 16,588 (2020) |
| Land area | 3.67 sq mi (9.5 km²) |
| Water area | 0.08 sq mi (0.22 km²) |
| Elevation | 374 ft (114 m) |
| Coordinates | 40.6307° N, 75.4802° W |
| ZIP codes | 18102, 18032, 18101 |
| Census code (GEOID) | 4228144 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Fullerton
- Catasauqua1.9 mi NE
- Hokendauqua2.1 mi NW
- Whitehall2.2 mi NW
- North Catasauqua2.3 mi N
- Hanover2.5 mi NE
- Allentown2.6 mi S
- Stiles2.8 mi NW
- Coplay2.9 mi N
- South Whitehall3.5 mi W
- Salisbury3.5 mi SE
- Northampton4.0 mi N
- Dorneyville4.3 mi SW
Straight-line distance between town centers.
Frequently asked questions about Fullerton
What county is Fullerton in?
Fullerton is in Lehigh County, Pennsylvania.
What is the population of Fullerton, PA?
16,588 people lived in Fullerton at the 2020 Census.
What is the ZIP code of Fullerton, PA?
The main ZIP code is 18102. Other ZIP codes: 18032, 18101.
What is the elevation of Fullerton?
374 feet (114 m) above sea level.
What towns are near Fullerton?
Catasauqua (1.9 mi), Hokendauqua (2.1 mi), Whitehall (2.2 mi), North Catasauqua (2.3 mi), Hanover (2.5 mi).
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