Residential delivery area · Pennsylvania

ZIP Code 16142: New Wilmington, PA

ZIP code 16142 uses the postal name New Wilmington, Pennsylvania and lies mostly in Mercer County (62% of its land) with the rest in Lawrence County (Census 2020 ZIP-county file). About 5,500 people live there (Census Bureau, ACS 2020-2024), the more populous of New Wilmington's 2 residential ZIP codes. Median household income is $84,205 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in New Wilmington; 98% is outside any Census place.

  • ACS2020-24
  • Census2020
  • FHFA2025
  • ZBP2023
  • IRS2022
1national area: Pennsylvania, Delaware and New York
161sectional center: Pittsburgh, PA (SCF 150)
42delivery area within it
Town
New Wilmington · 2 residential ZIPs
County
Mercer County (62%); Lawrence County (38%)
Census places
New Wilmington
Micro area
Hermitage, PA
House district
PA-16 119th Congress
Time zone
Eastern
Land area
43.8 sq mi · 126 people per sq mi

Where is ZIP code 16142?

16142 centers on 41.135°, -80.333° and covers 43.8 square miles of land plus 0.2 of water. It borders 7 ZIP codes: 16172, 16105, 16156, 16143, 16159, 16137, 16116.

16105 · New Castle16116 · Edinburg16137 · Mercer16143 · Pulaski16156 · Volant16159 · West Middlesex16172 · New Wilmington16142 · New Wilmington (this ZIP)1614216137161561614316159161161610516105 · New Castle16116 · Edinburg16137 · Mercer16143 · Pulaski16156 · Volant16159 · West Middlesex16172 · New Wilmington16142 · New Wilmington (this ZIP)1614216137161561614316159161161610516105 · New Castle16116 · Edinburg16137 · Mercer16143 · Pulaski16156 · Volant16159 · West Middlesex16172 · New Wilmington16142 · New Wilmington (this ZIP)16142161371615616143161591611616105
Shaded by median household income, in national fifths (ACS 2020-2024); 16142 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 16142, 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 16142 compare with the rest of New Wilmington?

Rank of 16142 among the residential ZIP codes of its town, county and state (1 = the most; income and home value among ZIP codes of 1,000+ people living in households)
Measure16142In New WilmingtonIn Mercer CountyIn PA
People (ACS 2020-2024)5,5221st of 28th of 28601st of 1,833
Median household income$84k1st of 12nd of 21336th of 1,015
Median home value$226k1st of 12nd of 22504th of 1,069

Its median household income is higher than in 67% of U.S. residential ZIP codes, and it is denser than 57% 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 16142?

The 2020 Census counted 5,906 people in 16142; the ACS, which samples households over 2020-2024, estimates 5,522. Between the 2010 and 2020 censuses its population fell 16.3% (its boundary stayed at least 90% the same).

People, ACS 2020-2024
5,522
2020 Census count
5,906−16.3% since 2010 (7,056)
Households
1,932
Median age
36.4

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 16142?

Of the 5,522 people the ACS estimates in 16142, 26.9% are under 18 and 20.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (94.7%).

  • Under 1826.9%
  • 18 to 6452.9%
  • 65 and older20.2%
Age of the people of 16142 (ACS 2020-2024, B01001)
  • White, not Hispanic94.7%
  • Other or two or more3.1%
  • Hispanic or Latino1.1%
  • Black, not Hispanic1.1%
  • Asian, not Hispanic0.0%
Race and Hispanic origin in 16142 (ACS 2020-2024, B03002); each person counted once

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 16142 earn?

Median household income is $84,205 (ACS 2020-2024), the 2nd highest of the 21 ranked ZIP codes in Mercer County. It is not measurably different from 2015-2019 ($73,893 in 2024 dollars): the change is within the surveys' margins of error.

Median household income
$84,205
Income per person
$39,007
Below the poverty line
6.8%
Unemployed (of the labor force)
2.4%
Adults 25+ with a bachelor's degree
36.7%
Adjusted gross income per tax return, 2022
$78,1812,470 returns; wages 55% 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 16142?

FHFA's house price index for 16142, built from repeat sales and appraisals of the same homes, rose 77% from 2015 to 2025 and rose 57% from 2020 to 2025, and moved −8.1% in 2025.

Median home value (owners' estimate)
$226,300
Median gross rent
$874
Homes owned by their occupants
77.7%
Housing units
2,086
0 50 100 150 200 250 1998201020202025 0 50 100 150 200 250 1998201020202025 0 50 100 150 200 250 1998201020202025
Index = 100 in 1998, the first year FHFA reports for 16142; 2025: 228.9. Annual, not seasonally adjusted; FHFA calls its ZIP-level indexes developmental.

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 16142?

131 business establishments had a location in this ZIP code in 2023, 1 more than in 2018; the most are in construction (ZIP Code Business Patterns).

  • Construction24
  • Manufacturing19
  • Retail trade15
  • Health care and social assistance15
  • Other services (except public administration)13
  • Accommodation and food services10

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 16142?

ZIP codes that share a boundary with 16142, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
16172New Wilmington983–1.2 mi
16105New Castle15,418$66k5.6 mi
16156Volant3,431$69k6.1 mi
16143Pulaski2,100$85k6.7 mi
16159West Middlesex4,455$69k7.5 mi
16137Mercer12,490$71k8.2 mi
16116Edinburg2,727$70k8.7 mi
16148Hermitage16,545$71k7.8 mi (near)

Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.