Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — STATE/PA/COUNTY/MONTGOMERY

Montgomery County, PA ZIP codes

There are 82 ZIP codes in Montgomery County, PA, in 75 towns, from 18041 to 19525. The largest are 19446 (Lansdale), 19464 (Pottstown) and 19403 (Norristown).

The county seat is Norristown.

ZIP codes
82
Towns
75
County seat
Norristown
County FIPS
42091
Population
867,573
Median household income
$113,915
Land area
483 sq mi
Area codes
215, 267, 445, 484, 610, 835

Montgomery County ZIP codes by town

Norristown (county seat)
19401, 19403, 19404

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Montgomery County ZIP codes

18041180541807018073180741807618084189151891818924189361895718958189641896918971189791900119002190041900619009190121902519027190311903419035190381904019044190461906619072190751909019095190961940119403194041940519406194071940819409194151942219423194241942619428194291943019435194361943719438194401944119443194441944619450194511945319454194551945619462194641946819472194731947419477194781948419486194901949219525

The ZIP codes of Montgomery County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Montgomery County in numbers

About 867,573 people live in Montgomery County, in 335,505 households, the 3rd most populous of Pennsylvania's 67 counties. The median household income is $113,915 a year, 46% above the Pennsylvania median of $77,971 (US: $80,734). The median owner-occupied home is valued at $436,700 (72% above the Pennsylvania median), and median gross rent is $1,683 a month. The median age is 41.2; 53.0% of adults 25 and over hold a bachelor's degree or higher (35.2% across Pennsylvania); the average commute takes 28 minutes.

Population867,573Montgomery867,573
Households335,505Montgomery335,505
Median age41.2Montgomery41.2Pennsylvania40.9US 38.9
Median household income$113,915Montgomery$113,915Pennsylvania$77,971US $80,734
Median home value$436,700Montgomery$436,700Pennsylvania$254,500US $332,700
Median gross rent$1,683Montgomery$1,683Pennsylvania$1,209US $1,413
Bachelor's degree or higher53.0%Montgomery53.0%Pennsylvania35.2%US 35.7%
Mean commute27.8 minMontgomery27.8 minPennsylvania26.3 minUS 26.4 min
Population density1,796 / sq miMontgomery1,796 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Montgomery County

Largest towns in Montgomery County
TownZIP codesPopulation
Norristown 3 35,893
King Of Prussia 1 25,857
Pottstown 1 23,476
Huntingdon Valley 1 23,443
Lansdale 1 19,011
Abington 1 17,867
Horsham 1 16,005
Willow Grove 1 14,131
Montgomeryville 1 13,388
Lafayette Hill 1 11,065
Bala Cynwyd 1 10,227
Conshohocken 2 9,282
Audubon 1 9,229
Harleysville 2 9,090
Kulpsville 1 8,799

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Montgomery County.

Not sure you are in Montgomery County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Montgomery County, with figures

ZIP codes in Montgomery County
ZIP City Type Population Median income Median home
18041 East Greenville , PA Standard 5,768 $98,615 $317,700
18054 Green Lane , PA Standard 4,932 $101,920 $411,400
18070 Palm , PA Standard 223 $74,638 $322,300
18073 Pennsburg , PA Standard 11,755 $115,766 $369,300
18074 Perkiomenville , PA Standard 5,590 $130,462 $433,400
18076 Red Hill , PA Standard 2,833 $79,615 $253,200
18084 Sumneytown , PA No street area — — —
18915 Colmar , PA Standard 1,648 $141,696 $534,300
18918 Earlington , PA No street area — — —
18924 Franconia , PA No street area — — —
18936 Montgomeryville , PA Standard 296 $250,000+ $284,600
18957 Salford , PA No street area — — —
18958 Salfordville , PA No street area — — —
18964 Souderton , PA Standard 14,546 $96,143 $356,100
18969 Telford , PA Standard 15,245 $108,995 $385,300
18971 Tylersport , PA No street area — — —
18979 Woxall , PA No street area — — —
19001 Abington , PA Standard 17,867 $108,042 $363,000
19002 Ambler , PA Standard 32,128 $143,600 $602,100
19004 Bala Cynwyd , PA Standard 11,230 $149,232 $632,000
19006 Huntingdon Valley , PA Standard 23,443 $128,295 $560,200
19009 Bryn Athyn , PA Standard 1,124 $137,188 $671,200
19012 Cheltenham , PA Standard 6,910 $125,625 $344,700
19025 Dresher , PA Standard 7,423 $188,490 $635,700
19027 Elkins Park , PA Standard 20,420 $106,066 $391,600
19031 Flourtown , PA Standard 4,929 $134,592 $579,300
19034 Fort Washington , PA Standard 7,488 $165,354 $627,500
19035 Gladwyne , PA Standard 3,937 $250,000+ $1,477,200
19038 Glenside , PA Standard 32,296 $117,683 $413,100
19040 Hatboro , PA Standard 22,078 $114,293 $384,900
19044 Horsham , PA Standard 17,279 $88,173 $402,400
19046 Jenkintown , PA Standard 19,640 $109,818 $470,800
19066 Merion Station , PA Standard 5,839 $250,000+ $879,700
19072 Narberth , PA Standard 10,129 $172,550 $819,700
19075 Oreland , PA Standard 7,384 $120,813 $431,300
19090 Willow Grove , PA Standard 19,662 $99,928 $369,100
19095 Wyncote , PA Standard 8,030 $97,727 $456,400
19096 Wynnewood , PA Standard 15,249 $186,277 $713,100
19401 Norristown , PA Standard 43,359 $69,908 $234,000
19403 Norristown , PA Standard 44,017 $104,071 $375,100
19404 Norristown , PA No street area — — —
19405 Bridgeport , PA Standard 5,145 $83,859 $336,400
19406 King Of Prussia , PA Standard 30,362 $116,847 $429,300
19407 Audubon , PA No street area — — —
19408 Eagleville , PA No street area — — —
19409 Fairview Village , PA No street area — — —
19415 Eagleville , PA No street area — — —
19422 Blue Bell , PA Standard 20,412 $158,288 $611,900
19423 Cedars , PA No street area — — —
19424 Blue Bell , PA No street area — — —
19426 Collegeville , PA Standard 43,460 $151,748 $498,700
19428 Conshohocken , PA Standard 20,411 $122,835 $478,500
19429 Conshohocken , PA No street area — — —
19430 Creamery , PA No street area — — —
19435 Frederick , PA Standard 75 $111,667 —
19436 Gwynedd , PA Standard 435 $77,159 —
19437 Gwynedd Valley , PA Standard 531 $215,817 $701,200
19438 Harleysville , PA Standard 25,438 $138,134 $480,300
19440 Hatfield , PA Standard 19,431 $99,408 $438,500
19441 Harleysville , PA No street area — — —
19443 Kulpsville , PA No street area — — —
19444 Lafayette Hill , PA Standard 11,065 $147,418 $537,400
19446 Lansdale , PA Standard 61,848 $106,310 $441,100
19450 Lederach , PA No street area — — —
19451 Mainland , PA No street area — — —
19453 Mont Clare , PA Standard 1,259 $80,583 $270,600
19454 North Wales , PA Standard 27,755 $118,177 $457,900
19455 North Wales , PA No street area — — —
19456 Oaks , PA Standard 286 $205,500 $758,600
19462 Plymouth Meeting , PA Standard 16,331 $137,535 $471,000
19464 Pottstown , PA Standard 49,101 $79,787 $264,400
19468 Royersford , PA Standard 28,194 $108,534 $402,800
19472 Sassamansville , PA Standard 54 $113,056 $422,200
19473 Schwenksville , PA Standard 17,259 $138,819 $476,300
19474 Skippack , PA Standard 222 — $353,300
19477 Spring House , PA Standard 136 — —
19478 Spring Mount , PA No street area — — —
19484 Valley Forge , PA No street area — — —
19486 West Point , PA No street area — — —
19490 Worcester , PA Standard 507 — $1,215,400
19492 Zieglerville , PA Standard 811 $58,233 $466,000
19525 Gilbertsville , PA Standard 17,725 $140,403 $405,400

Cite this page

zipcodes.pro. “Montgomery County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/pa/county/montgomery

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