ZIP code 18031
Where is ZIP code 18031?
Breinigsville, Pennsylvania
Lehigh County · Standard ZIP code
ZIP code 18031 belongs to Breinigsville, Pennsylvania in Lehigh County. 18031 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 484, 610 and 835. About 11,570 people live in the 18031 area, where the median household income is $113,625. The closest ZIP codes are 19538 (Maxatawny, 1.9 mi west), 18195 (Allentown, 2.7 mi northeast) and 18051 (Fogelsville, 2.8 mi north).
| ZIP code | 18031 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Breinigsville |
| State | Pennsylvania (PA) |
| County | Lehigh County |
| Time zone | Eastern Time · now |
| Area codes | 484, 610, 835 |
| Coordinates | 40.5526, -75.6553 map |
| 3-digit prefix | 180 |
Population and income in 18031
| Population | 11,570 · higher than 80% of Pennsylvania ZIP codes |
|---|---|
| People per square mile | 831 · higher than 71% of Pennsylvania ZIP codes |
| Median age | 39.4 years · lower than 75% of Pennsylvania ZIP codes |
| Men / women | 44% / 56% |
| Median household income | $113,625 · higher than 90% of Pennsylvania ZIP codes |
| Income per person | $57,645 |
| Below the poverty line | 3.7% |
| Bachelor’s degree or higher | 54% of adults 25+ |
| Median home value | $373,400 · higher than 89% of Pennsylvania ZIP codes |
| Median rent | $1,949 a month |
| Housing units | 4,634 |
| Households | 4,098 (2.81 people on average) |
| Owners / renters | 76% / 24% |
| Land area | 13.93 sq mi (plus 0.03 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 18031. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 18031
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 19538 | Maxatawny, PA | 1.9 mi W | PO Box only |
| 18195 | Allentown, PA | 2.7 mi NE | Standard |
| 18051 | Fogelsville, PA | 2.8 mi N | Standard |
| 18087 | Trexlertown, PA | 3.1 mi E | Standard |
| 18011 | Alburtis, PA | 3.8 mi SE | Standard |
| 18106 | Allentown, PA | 3.9 mi NE | Standard |
| 19539 | Mertztown, PA | 4.1 mi SW | Standard |
| 19562 | Topton, PA | 4.2 mi SW | Standard |
| 18062 | Macungie, PA | 4.9 mi E | Standard |
| 18046 | East Texas, PA | 4.9 mi E | PO Box only |
| 18069 | Orefield, PA | 5.8 mi NE | Standard |
| 19511 | Bowers, PA | 6.7 mi SW | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 18031 or measure the distance to another ZIP code.
How to address mail to 18031
123 MAIN ST
BREINIGSVILLE PA 18031
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (18031-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 18031?
- 18031 is a Breinigsville, Pennsylvania ZIP code.
- What county is 18031 in?
- ZIP code 18031 is in Lehigh County, Pennsylvania.
- What time zone is ZIP code 18031 in?
- 18031 is in the Eastern Time zone (America/New_York).
- What area code is 18031?
- Phone numbers in ZIP code 18031 use area codes 484, 610 and 835.
- What is the population of ZIP code 18031?
- About 11,570 people live in ZIP code 18031, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 18031?
- The median household income in 18031 is $113,625 a year, higher than 90% of Pennsylvania ZIP codes.
- What ZIP codes are near 18031?
- The nearest ZIP codes to 18031 are 19538 (Maxatawny, 1.9 miles), 18195 (Allentown, 2.7 miles), 18051 (Fogelsville, 2.8 miles) and 18087 (Trexlertown, 3.1 miles).