Residential delivery area · Pennsylvania

ZIP Code 19428: Conshohocken, PA

ZIP code 19428 uses the postal name Conshohocken, Pennsylvania and lies entirely in Montgomery County (Census 2020 ZIP-county file). About 20,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $122,835 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Conshohocken (14%) and West Conshohocken (12%), and 7% in smaller places; 68% is outside any Census place.

  • ACS2020-24
  • Census2020
  • FHFA2025
  • ZBP2023
  • IRS2022
1national area: Pennsylvania, Delaware and New York
194sectional center: Philadelphia, PA (SCF 190)
28delivery area within it
Town
Conshohocken · its only residential ZIP
Census places
Conshohocken (14%); West Conshohocken (12%)
Metro area
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD
House districts
PA-4 (89%), PA-5 (11%) 119th Congress, by share of land
Time zone
Eastern
Land area
7.3 sq mi · 2,794 people per sq mi
PO Box ZIPs
19429 also use the name Conshohocken

Where is ZIP code 19428?

19428 centers on 40.080°, -75.303° and covers 7.3 square miles of land plus 0.4 of water. It borders 8 ZIP codes: 19405, 19035, 19444, 19462, 19085, 19128, 19406, 19087.

19035 · Gladwyne19085 · Villanova19087 · Wayne19128 · Philadelphia19405 · Bridgeport19406 · King Of Prussia19444 · Lafayette Hill19462 · Plymouth Meeting19428 · Conshohocken (this ZIP)19428190871940619085191281946219444190351940519035 · Gladwyne19085 · Villanova19087 · Wayne19128 · Philadelphia19405 · Bridgeport19406 · King Of Prussia19444 · Lafayette Hill19462 · Plymouth Meeting19428 · Conshohocken (this ZIP)19428190871940619085191281946219444190351940519035 · Gladwyne19085 · Villanova19087 · Wayne19128 · Philadelphia19405 · Bridgeport19406 · King Of Prussia19444 · Lafayette Hill19462 · Plymouth Meeting19428 · Conshohocken (this ZIP)194281908719406190851912819462194441903519405
Shaded by median household income, in national fifths (ACS 2020-2024); 19428 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 19428, 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 19428 compare with the rest of Montgomery County?

Rank of 19428 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)
Measure19428In Montgomery CountyIn PA
People (ACS 2020-2024)20,41121st of 70196th of 1,833
Median household income$123k27th of 5581st of 1,015
Median home value$479k22nd of 5867th of 1,069

Its median household income is higher than in 91% of U.S. residential ZIP codes, and it is denser than 88% 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 19428?

The 2020 Census counted 19,690 people in 19428; the ACS, which samples households over 2020-2024, estimates 20,411. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.

People, ACS 2020-2024
20,411
2020 Census count
19,690
Households
9,347
Median age
33.1

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 19428?

Of the 20,411 people the ACS estimates in 19428, 16.2% are under 18 and 12.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (78.3%).

  • Under 1816.2%
  • 18 to 6470.9%
  • 65 and older12.9%
Age of the people of 19428 (ACS 2020-2024, B01001)
  • White, not Hispanic78.3%
  • Other or two or more7.0%
  • Asian, not Hispanic5.8%
  • Black, not Hispanic5.2%
  • Hispanic or Latino3.7%
Race and Hispanic origin in 19428 (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 19428 earn?

Median household income is $122,835 (ACS 2020-2024), the 27th highest of the 55 ranked ZIP codes in Montgomery County.

Median household income
$122,835
Income per person
$68,393
Below the poverty line
4.4%
Unemployed (of the labor force)
4.6%
Adults 25+ with a bachelor's degree
67.0%
Adjusted gross income per tax return, 2022
$121,01210,820 returns; wages 76% 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 19428?

FHFA's house price index for 19428, built from repeat sales and appraisals of the same homes, rose 76% from 2015 to 2025 and rose 45% from 2020 to 2025, and moved +8.5% in 2025.

Median home value (owners' estimate)
$478,500
Median gross rent
$2,046
Homes owned by their occupants
53.0%
Housing units
9,964
0 400 800 1200 197919902000201020202025 0 400 800 1200 197919902000201020202025 0 400 800 1200 197919902000201020202025
Index = 100 in 1979, the first year FHFA reports for 19428; 2025: 1264.9. 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 19428?

1,193 business establishments had a location in this ZIP code in 2023, 10 fewer than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).

  • Professional, scientific, and technical services220
  • Finance and insurance172
  • Other services (except public administration)103
  • Construction87
  • Administrative and support and waste management and remediation services85
  • Retail trade81

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 19428?

ZIP codes that share a boundary with 19428, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
19405Bridgeport5,145$84k2.2 mi
19035Gladwyne3,937$250k+2.4 mi
19444Lafayette Hill11,065$147k2.6 mi
19462Plymouth Meeting16,331$138k2.7 mi
19085Villanova11,230$250k+3.9 mi
19128Philadelphia38,039$93k4.4 mi
19406King Of Prussia30,362$117k4.5 mi
19087Wayne33,528$171k5.3 mi
19401Norristown43,359$70k3.8 mi (near)
19010Bryn Mawr21,827$145k4.2 mi (near)

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

Which other ZIP codes use the name Conshohocken?

1 more ZIP code carries the postal name Conshohocken, PA without a residential delivery area: PO boxes at the post office, or a single organization with its own ZIP code. The Census Bureau publishes no figures for it.

ZIP codes named Conshohocken without a residential area (GeoNames postal codes)
ZIPCounty
19429Montgomery County

Source: GeoNames postal codes (CC BY 4.0), downloaded 2026-10-09; a ZIP code with no Census ZCTA has no residential delivery area.