Residential delivery area · Pennsylvania
ZIP Code 18929: Jamison, PA
ZIP code 18929 uses the postal name Jamison, Pennsylvania and lies entirely in Bucks County (Census 2020 ZIP-county file). About 9,700 people live there (Census Bureau, ACS 2020-2024). Median household income is $179,380 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Jamison · 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
- 7.3 sq mi · 1,329 people per sq mi
Where is ZIP code 18929?
18929 centers on 40.258°, -75.079° and covers 7.3 square miles of land plus 0.1 of water. It borders 5 ZIP codes: 18925, 18974, 18976, 18901, 18940.
The map draws ZIP code areas only. For the streets inside 18929, 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 18929 compare with the rest of Bucks County?
| Measure | 18929 | In Bucks County | In PA |
|---|---|---|---|
| People (ACS 2020-2024) | 9,748 | 31st of 58 | 427th of 1,833 |
| Median household income | $179k | 4th of 39 | 13th of 1,015 |
| Median home value | $628k | 6th of 43 | 22nd of 1,069 |
Its median household income is higher than in 98% of U.S. residential ZIP codes, and it is denser than 81% 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 18929?
The 2020 Census counted 8,819 people in 18929; the ACS, which samples households over 2020-2024, estimates 9,748. Between the 2010 and 2020 censuses its population fell 5.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 9,748±979 (90% margin)
- 2020 Census count
- 8,819−5.2% since 2010 (9,306)
- Households
- 3,273
- Median age
- 38.9
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 18929?
Of the 9,748 people the ACS estimates in 18929, 24.3% are under 18 and 14.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (80.7%).
- Under 1824.3%
- 18 to 6461.1%
- 65 and older14.6%
- White, not Hispanic80.7%
- Hispanic or Latino9.0%
- Other or two or more5.1%
- Asian, not Hispanic4.9%
- Black, not Hispanic0.3%
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 18929 earn?
Median household income is $179,380 (ACS 2020-2024), the 4th highest of the 39 ranked ZIP codes in Bucks County. It is not measurably different from 2015-2019 ($178,192 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $179,380
- Income per person
- $77,016
- Below the poverty line
- 2.9%
- Unemployed (of the labor force)
- 4.4%
- Adults 25+ with a bachelor's degree
- 61.6%
- Adjusted gross income per tax return, 2022
- $157,6844,490 returns; wages 68% 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 18929?
FHFA's house price index for 18929, built from repeat sales and appraisals of the same homes, rose 69% from 2015 to 2025 and rose 50% from 2020 to 2025, and moved +1.3% in 2025.
- Median home value (owners' estimate)
- $627,700
- Median gross rent
- $2,161
- Homes owned by their occupants
- 96.1%
- Housing units
- 3,356
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 18929?
256 business establishments had a location in this ZIP code in 2023, 9 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services46
- Finance and insurance29
- Construction24
- Health care and social assistance24
- Transportation and warehousing23
- Retail trade22
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 18929?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 18925 | Furlong | 6,250 | $208k | 2.0 mi |
| 18974 | Warminster | 43,122 | $104k | 2.9 mi |
| 18976 | Warrington | 22,202 | $123k | 3.5 mi |
| 18901 | Doylestown | 28,509 | $118k | 5.0 mi |
| 18940 | Newtown | 29,626 | $157k | 7.5 mi |
| 18980 | Wycombe | 308 | $145k | 3.7 mi (near) |
| 18912 | Buckingham | 213 | $250k+ | 4.1 mi (near) |
| 18946 | Pineville | 689 | $189k | 4.4 mi (near) |
| 18954 | Richboro | 10,380 | $160k | 5.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.