Residential delivery area · Pennsylvania
ZIP Code 19373: Thornton, PA
ZIP code 19373 uses the postal name Thornton, Pennsylvania and lies mostly in Delaware County (96% of its land) with the rest in Chester County (Census 2020 ZIP-county file). About 2,400 people live there (Census Bureau, ACS 2020-2024). Median household income is $192,708 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Thornton · its only residential ZIP
- County
- Delaware County (96%); Chester County (4%)
- Metro area
- Philadelphia-Camden-Wilmington, PA-NJ-DE-MD
- House districts
- PA-5 (96%), PA-6 (4%) 119th Congress, by share of land
- State
- Pennsylvania
- Time zone
- Eastern
- Land area
- 3.2 sq mi · 733 people per sq mi
Where is ZIP code 19373?
19373 centers on 39.901°, -75.533° and covers 3.2 square miles of land plus 0.0 of water. It borders 3 ZIP codes: 19342, 19319, 19382.
The map draws ZIP code areas only. For the streets inside 19373, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 19373 compare with the rest of Delaware County?
| Measure | 19373 | In Delaware County | In PA |
|---|---|---|---|
| People (ACS 2020-2024) | 2,357 | 41st of 45 | 891st of 1,833 |
| Median household income | $193k | 2nd of 35 | 7th of 1,015 |
| Median home value | $756k | 4th of 40 | 8th of 1,069 |
Its median household income is higher than in 99% of U.S. residential ZIP codes, and it is denser than 75% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 19373?
The 2020 Census counted 2,648 people in 19373; the ACS, which samples households over 2020-2024, estimates 2,357. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 2,357±418 (90% margin)
- 2020 Census count
- 2,648
- Households
- 740
- Median age
- 38.3
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 19373?
Of the 2,357 people the ACS estimates in 19373, 23.0% are under 18 and 16.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (94.0%).
- Under 1823.0%
- 18 to 6460.7%
- 65 and older16.3%
- White, not Hispanic94.0%
- Other or two or more2.3%
- Hispanic or Latino2.0%
- Asian, not Hispanic1.7%
- Black, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 19373 earn?
Median household income is $192,708 (ACS 2020-2024), the 2nd highest of the 35 ranked ZIP codes in Delaware County.
- Median household income
- $192,708±$36,196
- Income per person
- $77,915
- Below the poverty line
- 0.8%
- Unemployed (of the labor force)
- 5.1%
- Adults 25+ with a bachelor's degree
- 73.3%
- Adjusted gross income per tax return, 2022
- $197,9191,310 returns; wages 63% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 19373?
FHFA's house price index for 19373, built from repeat sales and appraisals of the same homes, rose 84% from 2015 to 2025 and rose 58% from 2020 to 2025, and moved +7.7% in 2025.
- Median home value (owners' estimate)
- $755,800
- Median gross rent
- –
- Homes owned by their occupants
- 100.0%
- Housing units
- 759
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 19373?
56 business establishments had a location in this ZIP code in 2023, 4 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction15
- Professional, scientific, and technical services8
- Administrative and support and waste management and remediation services7
- Other services (except public administration)6
- Transportation and warehousing3
- Real estate and rental and leasing3
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 19373?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 19342 | Glen Mills | 20,770 | $133k | 1.8 mi |
| 19319 | Cheyney | 792 | – | 1.8 mi |
| 19382 | West Chester | 54,127 | $132k | 4.6 mi |
| 19017 | Chester Heights | 355 | $167k | 3.8 mi (near) |
| 19060 | Garnet Valley | 11,524 | $185k | 4.1 mi (near) |
| 19317 | Chadds Ford | 10,864 | $174k | 4.5 mi (near) |
| 19383 | West Chester | 6,537 | $24k | 4.6 mi (near) |
| 19052 | Lenni | 631 | $89k | 4.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.