Residential delivery area · Pennsylvania
ZIP Code 15129: South Park, PA
ZIP code 15129 uses the postal name South Park, Pennsylvania and lies mostly in Allegheny County (98% of its land) with the rest in Washington County (Census 2020 ZIP-county file). About 11,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $99,519 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- South Park · its only residential ZIP
- County
- Allegheny County (98%); Washington County (2%)
- Metro area
- Pittsburgh, PA
- House districts
- PA-12 (98%), PA-14 (2%) 119th Congress, by share of land
- State
- Pennsylvania
- Time zone
- Eastern
- Land area
- 7.7 sq mi · 1,393 people per sq mi
Where is ZIP code 15129?
15129 centers on 40.293°, -79.995° and covers 7.7 square miles of land. It borders 4 ZIP codes: 15102, 15332, 15236, 15025.
The map draws ZIP code areas only. For the streets inside 15129, 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 15129 compare with the rest of Allegheny County?
| Measure | 15129 | In Allegheny County | In PA |
|---|---|---|---|
| People (ACS 2020-2024) | 10,789 | 54th of 117 | 399th of 1,833 |
| Median household income | $100k | 21st of 89 | 189th of 1,015 |
| Median home value | $252k | 29th of 90 | 381st of 1,069 |
Its median household income is higher than in 81% 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 15129?
The 2020 Census counted 10,901 people in 15129; the ACS, which samples households over 2020-2024, estimates 10,789. Between the 2010 and 2020 censuses its population fell 0.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 10,789
- 2020 Census count
- 10,901−0.2% since 2010 (10,920)
- Households
- 4,679
- Median age
- 43.8
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 15129?
Of the 10,789 people the ACS estimates in 15129, 20.2% are under 18 and 21.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (92.2%).
- Under 1820.2%
- 18 to 6458.2%
- 65 and older21.5%
- White, not Hispanic92.2%
- Other or two or more3.3%
- Asian, not Hispanic2.2%
- Black, not Hispanic1.5%
- Hispanic or Latino0.8%
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 15129 earn?
Median household income is $99,519 (ACS 2020-2024), the 21st highest of the 89 ranked ZIP codes in Allegheny County. It is not measurably different from 2015-2019 ($87,541 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $99,519±$14,231
- Income per person
- $51,252
- Below the poverty line
- 3.6%
- Unemployed (of the labor force)
- 2.9%
- Adults 25+ with a bachelor's degree
- 41.8%
- Adjusted gross income per tax return, 2022
- $80,1296,140 returns; wages 73% 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 15129?
FHFA's house price index for 15129, built from repeat sales and appraisals of the same homes, rose 64% from 2015 to 2025 and rose 35% from 2020 to 2025, and moved +1.6% in 2025.
- Median home value (owners' estimate)
- $252,000
- Median gross rent
- $1,427
- Homes owned by their occupants
- 77.0%
- Housing units
- 4,916
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 15129?
125 business establishments had a location in this ZIP code in 2023, 14 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction26
- Professional, scientific, and technical services15
- Accommodation and food services13
- Other services (except public administration)13
- Health care and social assistance12
- Retail trade9
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 15129?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 15102 | Bethel Park | 30,344 | $109k | 2.9 mi |
| 15332 | Finleyville | 7,678 | $67k | 3.7 mi |
| 15236 | Pittsburgh | 31,313 | $91k | 3.9 mi |
| 15025 | Clairton | 16,939 | $77k | 3.9 mi |
| 15367 | Venetia | 9,906 | $136k | 3.9 mi (near) |
| 15038 | Elrama | 279 | $32k | 4.7 mi (near) |
| 15123 | West Mifflin | 2 | – | 4.9 mi (near) |
| 15020 | Bunola | 481 | $76k | 5.2 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.