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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/13601

13601

ZIP 13601 is in Watertown, New York, mostly in Jefferson County; area codes 315 and 680; Eastern time. Watertown has 2 ZIP codes; the other is 13603.

Type
Standard
Time zone
America/New_York
County
Jefferson +1 more
Population
36,839
Coordinates
43.9690, -75.9105
☼ Live from 13601 — Watertown, NY

Weather right now

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Local time: —

Where 13601 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 13601
  • 🔢 Type 13601 into a pocket calculator and turn it upside down: IOgEI — not quite a word, sorry.
  • ➕ As a number, 13,601 = 7 × 29 × 67. Its digits add up to 11, a total 714 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11010100100001
  • 🏠 Its numerical neighbours: 13599 (Utica, NY, 69 mi away) and 13602 (Fort Drum, NY, 10 mi away).
  • 🔄 Backwards, 13601 becomes 10631, which is not a ZIP code at all.
  • 👥 28 other ZIP codes are made of exactly the same digits (01613, 06131, 10163, 11360, 13061, 13160, …). The farthest-flung twin is 31601 in Valdosta, GA, 998 miles away.
  • 🧭 Farther north than 87% of all ZIP codes, and farther east than 85%.
  • 🎯1,196 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 13601 and you would come out at 43.97°S, 104.09°E — 1,047 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 29m of daylight. Shortest: 8h 53m.
  • 📏 At 140.7 square miles of land, 13601 is bigger than 85% of ZIP codes — room for about 107 Central Parks.
🌙 The sky over 13601 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population36,839This ZIP36,839
Households16,663This ZIP16,663
Housing units18,739This ZIP18,739
Median age35.7This ZIP35.7New York39.8US 38.9
Median household income$58,791This ZIP$58,791New York$85,974US $80,734
Median home value$172,600This ZIP$172,600New York$423,800US $332,700
Median gross rent$1,011This ZIP$1,011New York$1,621US $1,413
Bachelor's degree or higher26.2%This ZIP26.2%
Mean commute18.1 minThis ZIP18.1 min
Population density261.7 / sq miThis ZIP261.7 / sq mi

Business and tax activity

Business establishments1,162This ZIP1,162
Employees19,343This ZIP19,343
Annual payroll$955,493,000This ZIP$955,493,000
Tax returns filed15,880This ZIP15,880
Total adjusted gross income$958,047,000This ZIP$958,047,000

Land area

Land area140.75 sq miThis ZIP140.75 sq mi
Water area2.37 sq miThis ZIP2.37 sq mi

Counties 13601 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Jefferson County 94.2%
Lewis County 5.8%

Other place names in 13601

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

ZIP codes near 13601

ZIPCityDistance
13615 Brownville, NY 4.4 mi
13616 Calcium, NY 5.0 mi
13603 Watertown, NY 6.8 mi
13612 Black River, NY 7.1 mi
13657 Limerick, NY 7.8 mi
13638 Felts Mills, NY 8.5 mi
13634 Dexter, NY 8.6 mi
13606 Adams Center, NY 8.6 mi
13682 Rodman, NY 8.7 mi
13685 Sackets Harbor, NY 9.2 mi

Find every ZIP code within 10 miles of 13601 →

Questions about this ZIP code

Where is ZIP code 13601?

13601 is in Watertown, New York, in Jefferson County, part of the Watertown-Fort Drum, NY metropolitan area. Its published point location is 43.9690, -75.9105.

What county is 13601 in?

13601 spans 2 counties: Jefferson County and Lewis County. Most of it falls in Jefferson County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.

What area code is 13601?

Watertown uses area codes 315 and 680, from NANPA's telephone records.

What time zone is 13601 in?

13601 uses America/New_York.

How many people live in 13601?

About 36,839 people live in ZIP code 13601, in 16,663 households, at 261.7 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 13601?

$58,791 a year, against $85,974 across New York.

What ZIP codes are near 13601?

The closest are 13615 (4.4 mi), 13616 (5 mi), 13603 (6.8 mi), 13612 (7.1 mi) and 13657 (7.8 mi).

Is 13601 a PO Box ZIP code?

13601 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “13601 ZIP Code — Watertown, New York (Jefferson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/13601

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/13601.json

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