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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 — ZIP/01945

01945

ZIP 01945 is Marblehead, Massachusetts, in Essex County; area codes 781 and 339; Eastern time.

Type
Standard
Time zone
America/New_York
County
Essex
Population
20,470
Coordinates
42.5043, -70.8515
☼ Live from 01945 — Marblehead, MA

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Local time: —

Where 01945 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 01945
  • 🔢 Type 01945 into a pocket calculator and turn it upside down: ShGIO — not quite a word, sorry.
  • ➕ As a number, 1,945 = 5 × 389. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11110011001
  • 🏠 Its numerical neighbours: 01944 (Manchester, MA, 7 mi away) and 01949 (Middleton, MA, 11 mi away).
  • 🔄 Backwards, 01945 becomes 54910, which is not a ZIP code at all.
  • 👥 52 other ZIP codes are made of exactly the same digits (04915, 04951, 05149, 05491, 09154, 09415, …). The farthest-flung twin is 09154 in APO AE, a military post office, 3,709 miles away.
  • 🧭 Farther north than 79% of all ZIP codes, and farther east than 96%.
  • 🎯1,447 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 01945 and you would come out at 42.50°S, 109.15°E — 817 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 18m of daylight. Shortest: 9h 03m.
  • 📏 At 4.4 square miles of land, 01945 is bigger than 18% of ZIP codes — room for about 3.4 Central Parks.
🌙 The sky over 01945 today
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🌋 Shake report
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Source: USGS.

People and housing

Population20,470This ZIP20,470
Households8,334This ZIP8,334
Housing units9,140This ZIP9,140
Median age49.2This ZIP49.2Massachusetts40.0US 38.9
Median household income$179,583This ZIP$179,583Massachusetts$103,960US $80,734
Median home value$942,200This ZIP$942,200Massachusetts$562,100US $332,700
Median gross rent$1,764This ZIP$1,764Massachusetts$1,762US $1,413
Bachelor's degree or higher78.1%This ZIP78.1%
Mean commute32.9 minThis ZIP32.9 min
Population density4,620.8 / sq miThis ZIP4,620.8 / sq mi

Business and tax activity

Business establishments572This ZIP572
Employees3,948This ZIP3,948
Annual payroll$194,344,000This ZIP$194,344,000
Tax returns filed10,610This ZIP10,610
Total adjusted gross income$2,486,894,000This ZIP$2,486,894,000

Land area

Land area4.43 sq miThis ZIP4.43 sq mi
Water area4.76 sq miThis ZIP4.76 sq mi

Other place names in 01945

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 01945

ZIPCityDistance
01970 Salem, MA 1.9 mi
01907 Swampscott, MA 3.5 mi
01965 Prides Crossing, MA 4.4 mi
01915 Beverly, MA 4.6 mi
01902 Lynn, MA 5.1 mi
01903 Lynn, MA 5.6 mi
01901 Lynn, MA 5.7 mi
01904 Lynn, MA 6.2 mi
01960 Peabody, MA 6.4 mi
01908 Nahant, MA 6.5 mi

Find every ZIP code within 10 miles of 01945 →

Questions about this ZIP code

Where is ZIP code 01945?

01945 is in Marblehead, Massachusetts, in Essex County, part of the Boston-Cambridge-Newton, MA-NH metropolitan area. Its published point location is 42.5043, -70.8515.

What county is 01945 in?

01945 lies in Essex County.

What area code is 01945?

Marblehead uses area codes 781 and 339, from NANPA's telephone records.

What time zone is 01945 in?

01945 uses America/New_York.

How many people live in 01945?

About 20,470 people live in ZIP code 01945, in 8,334 households, at 4,620.8 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 01945?

$179,583 a year, against $103,960 across Massachusetts.

What ZIP codes are near 01945?

The closest are 01970 (1.9 mi), 01907 (3.5 mi), 01965 (4.4 mi), 01915 (4.6 mi) and 01902 (5.1 mi).

Is 01945 a PO Box ZIP code?

01945 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “01945 ZIP Code — Marblehead, Massachusetts (Essex County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/01945

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curl https://zipcodes.pro/zip/01945.json

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