Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/PA/BALDWIN

Baldwin ZIP codes, Pennsylvania

No ZIP code is named for Baldwin, PA; addresses there use a neighbouring town's name. 3 ZIP codes cover it: 15236, 15227 and 15210. Its area codes are 412 and 878.

USPS city name
0 ZIP codes
Overlapping the city
3 more
Population
21,057
Area codes
412, 878

NANPA lists no telephone rate centre for Baldwin itself, so these are the area codes of the nearest one, Pittsburgh (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Baldwin in numbers

About 21,057 people live in Baldwin, in 8,855 households, the 31st-largest of Pennsylvania's 1,944 census places. The median household income is $80,983 a year, 4% above the Pennsylvania median of $77,971 (US: $80,734). The median owner-occupied home is valued at $208,400 (18% below the Pennsylvania median), and median gross rent is $1,066 a month. The median age is 41.8; 33.3% of adults 25 and over hold a bachelor's degree or higher (35.2% across Pennsylvania); the average commute takes 26 minutes.

Population21,057Baldwin21,057
Households8,855Baldwin8,855
Median age41.8Baldwin41.8Pennsylvania40.9US 38.9
Median household income$80,983Baldwin$80,983Pennsylvania$77,971US $80,734
Median home value$208,400Baldwin$208,400Pennsylvania$254,500US $332,700
Median gross rent$1,066Baldwin$1,066Pennsylvania$1,209US $1,413
Bachelor's degree or higher33.3%Baldwin33.3%Pennsylvania35.2%US 35.7%
Mean commute26.2 minBaldwin26.2 minPennsylvania26.3 minUS 26.4 min
Population density3,649 / sq miBaldwin3,649 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Baldwin borough. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Baldwin

These ZIP codes cover part of Baldwin but are addressed as somewhere else.

ZIP codes overlapping Baldwin
ZIP City Type Population Median income Median home
15210 Pittsburgh , PA Standard 25,227 $52,169 $98,600
15227 Pittsburgh , PA Standard 28,460 $75,448 $185,100
15236 Pittsburgh , PA Standard 31,313 $90,767 $233,400

Map of Baldwin ZIP codes

152101522715236

The ZIP codes of Baldwin, PA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Baldwin

The nearest larger towns are Pittsburgh (304,759 people, 4.4 mi), Bethel Park (32,881 people, 6.2 mi) and Monroeville (28,295 people, 10 mi).

Towns near Baldwin
TownPopulationDistance
Brentwood 9,866 1.7 mi
Munhall 10,548 2.5 mi
Homestead 2,874 2.6 mi
West Mifflin 19,190 2.6 mi
Whitehall 14,811 2.7 mi
Mount Oliver 3,319 3.0 mi
Pleasant Hills 8,399 3.6 mi
Castle Shannon 8,209 4.0 mi
Swissvale 8,418 4.1 mi
Pittsburgh 304,759 4.4 mi
Edgewood 3,077 4.8 mi
Port Vue 3,620 4.8 mi
Glassport 4,368 4.9 mi
Dormont 8,063 5.0 mi

More nearby: every ZIP code in Allegheny County · Pennsylvania ZIP codes

Cite this page

zipcodes.pro. “Baldwin, PA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/pa/baldwin

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