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/UNIONVILLE-4

Unionville ZIP codes, Pennsylvania

No ZIP code is named for Unionville, PA; addresses there use a neighbouring town's name. 2 ZIP codes cover it: 19348 and 19375. Its area codes are 484 and 610.

USPS city name
0 ZIP codes
Overlapping the city
2 more
Population
652
Area codes
484, 610

Unionville in numbers

About 652 people live in Unionville, in 294 households. The median household income is $132,313 a year, 70% above the Pennsylvania median of $77,971 (US: $80,734). The median owner-occupied home is valued at $473,700 (86% above the Pennsylvania median). The median age is 60.7; 50.5% of adults 25 and over hold a bachelor's degree or higher (35.2% across Pennsylvania); the average commute takes 19 minutes.

Population652Unionville652
Households294Unionville294
Median age60.7Unionville60.7Pennsylvania40.9US 38.9
Median household income$132,313Unionville$132,313Pennsylvania$77,971US $80,734
Median home value$473,700Unionville$473,700Pennsylvania$254,500US $332,700
Bachelor's degree or higher50.5%Unionville50.5%Pennsylvania35.2%US 35.7%
Mean commute18.9 minUnionville18.9 minPennsylvania26.3 minUS 26.4 min
Population density763 / sq miUnionville763 / sq mi

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

ZIP codes covering Unionville

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

ZIP codes overlapping Unionville
ZIP City Type Population Median income Median home
19348 Kennett Square , PA Standard 23,621 $123,526 $543,100
19375 Unionville , PA Standard 234 $250,000+ $614,400

Map of Unionville ZIP codes

1934819375

The ZIP codes of Unionville, 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 Unionville

The nearest larger towns are Kennett Square (6,243 people, 4.0 mi), Toughkenamon (804 people, 4.9 mi) and Avondale (1,084 people, 5.8 mi).

Towns near Unionville
TownPopulationDistance
Kennett Square 6,243 4.0 mi
Thorndale 3,854 7.0 mi
Coatesville 13,353 7.5 mi
Downingtown 8,255 7.6 mi
West Grove 2,798 7.6 mi
West Chester 20,666 7.8 mi
Hockessin, DE 13,439 8.5 mi
North Star, DE 7,834 10.2 mi
Exton 6,772 10.3 mi
Pike Creek, DE 7,129 10.7 mi
Parkesburg 3,937 10.7 mi
Greenville, DE 3,713 11.0 mi
Lionville 7,683 11.5 mi
Pike Creek Valley, DE 12,431 12.0 mi

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

Cite this page

zipcodes.pro. “Unionville, PA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/pa/unionville-4

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