Residential delivery area · Pennsylvania
ZIP Code 18920: Erwinna, PA
ZIP code 18920 uses the postal name Erwinna, Pennsylvania and lies entirely in Bucks County (Census 2020 ZIP-county file). About 390 people live there (Census Bureau, ACS 2020-2024). Median household income is $152,813 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- FHFA2021
- ZBP2023
- IRS2022
- Town
- Erwinna · its only residential ZIP
- County
- Bucks County
- Metro area
- Philadelphia-Camden-Wilmington, PA-NJ-DE-MD
- House district
- PA-1 119th Congress
- State
- Pennsylvania
- Time zone
- Eastern
- Land area
- 3.9 sq mi · 102 people per sq mi
Where is ZIP code 18920?
18920 centers on 40.493°, -75.087° and covers 3.9 square miles of land plus 0.0 of water. It borders 3 ZIP codes: 18972, 18942, 18947.
The map draws ZIP code areas only. For the streets inside 18920, 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 18920 compare with the rest of Bucks County?
| Measure | 18920 | In Bucks County | In PA |
|---|---|---|---|
| People (ACS 2020-2024) | 393 | 49th of 58 | 1,404th of 1,833 |
| Median household income | $153k | not ranked | not ranked |
| Median home value | $787k | not ranked | not ranked |
18920's income and home value are not ranked: it has fewer than 1,000 residents (393). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 54% of 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 18920?
The 2020 Census counted 480 people in 18920; the ACS, which samples households over 2020-2024, estimates 393. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 393±190 (90% margin)
- 2020 Census count
- 480
- Households
- 145
- Median age
- 56.4
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 18920?
Of the 393 people the ACS estimates in 18920, 14.5% are under 18 and 31.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (83.2%), then Other or two or more (10.4%).
- Under 1814.5%
- 18 to 6454.2%
- 65 and older31.3%
- White, not Hispanic83.2%
- Other or two or more10.4%
- Asian, not Hispanic6.4%
- Hispanic or Latino0.0%
- 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 18920 earn?
Median household income is $152,813 (ACS 2020-2024).
- Median household income
- $152,813±$51,240
- Income per person
- $60,014
- Below the poverty line
- 0.0%
- Unemployed (of the labor force)
- 8.0%
- Adults 25+ with a bachelor's degree
- 50.0%
- Adjusted gross income per tax return, 2022
- $184,400370 returns; wages 47% 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 18920?
- Median home value (owners' estimate)
- $787,300
- Median gross rent
- –
- Homes owned by their occupants
- 90.3%
- Housing units
- 156
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 18920?
16 business establishments had a location in this ZIP code in 2023, 2 fewer than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services5
- Construction3
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 18920?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 18972 | Upper Black Eddy | 3,104 | $80k | 3.1 mi |
| 18942 | Ottsville | 2,377 | $100k | 4.4 mi |
| 18947 | Pipersville | 6,477 | $141k | 5.1 mi |
| 08825 | Frenchtown, NJ | 4,735 | $102k | 3.5 mi (near) |
| 18950 | Point Pleasant | 262 | $226k | 4.2 mi (near) |
| 18921 | Ferndale | 160 | – | 5.1 mi (near) |
| 08559 | Stockton, NJ | 4,836 | $180k | 6.6 mi (near) |
| 18933 | Lumberville | 105 | $226k | 6.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.