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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/04574

04574

ZIP 04574 is Washington, Maine, in Knox County; area code 207; Eastern time.

Type
Standard
Time zone
America/New_York
County
Knox
Metro area
none
Population
1,624
Coordinates
44.2606, -69.3915
☼ Live from 04574 — Washington, ME

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Local time: —

Where 04574 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 04574
  • 🔢 Type 04574 into a pocket calculator and turn it upside down: hLShO — not quite a word, sorry.
  • ➕ As a number, 4,574 = 2 × 2287. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1000111011110
  • 🏠 Its numerical neighbours: 04573 (Walpole, ME, 23 mi away) and 04575 (West Boothbay Harbor, ME, 31 mi away).
  • 🔄 Backwards, 04574 becomes 47540, which is not a ZIP code at all.
  • 👥 33 other ZIP codes are made of exactly the same digits (04457, 04475, 04547, 04745, 05447, 05474, …). The farthest-flung twin is 75044 in Garland, TX, 1,655 miles away.
  • 🧭 Farther north than 88% of all ZIP codes, and farther east than 97%.
  • 🎯1,520 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 04574 and you would come out at 44.26°S, 110.61°E — 897 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 31m of daylight. Shortest: 8h 51m.
  • 📏 At 38.0 square miles of land, 04574 is bigger than 52% of ZIP codes — room for about 29 Central Parks.
🌙 The sky over 04574 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population1,624This ZIP1,624
Households684This ZIP684
Housing units777This ZIP777
Median age48.2This ZIP48.2Maine44.8US 38.9
Median household income$59,861This ZIP$59,861Maine$74,733US $80,734
Median home value$195,200This ZIP$195,200Maine$296,600US $332,700
Median gross rent$1,036This ZIP$1,036Maine$1,139US $1,413
Bachelor's degree or higher17.3%This ZIP17.3%
Mean commute31.9 minThis ZIP31.9 min
Population density42.7 / sq miThis ZIP42.7 / sq mi

Business and tax activity

Business establishments25This ZIP25
Employees85This ZIP85
Annual payroll$5,000,000This ZIP$5,000,000
Tax returns filed800This ZIP800
Total adjusted gross income$41,040,000This ZIP$41,040,000

Land area

Land area38.04 sq miThis ZIP38.04 sq mi
Water area1.16 sq miThis ZIP1.16 sq mi

ZIP codes near 04574

ZIPCityDistance
04862 Union, ME 5.6 mi
04348 Jefferson, ME 6.3 mi
04949 Liberty, ME 8.0 mi
04341 Coopers Mills, ME 8.1 mi
04354 Palermo, ME 9.6 mi
04572 Waldoboro, ME 9.6 mi
04363 Windsor, ME 9.7 mi
04847 Hope, ME 10.1 mi
04864 Warren, ME 11.7 mi
04555 Nobleboro, ME 11.9 mi

Find every ZIP code within 10 miles of 04574 →

Questions about this ZIP code

Where is ZIP code 04574?

04574 is in Washington, Maine, in Knox County. Its published point location is 44.2606, -69.3915.

What county is 04574 in?

04574 lies in Knox County.

What area code is 04574?

Washington uses area code 207, from NANPA's telephone records.

What time zone is 04574 in?

04574 uses America/New_York.

How many people live in 04574?

About 1,624 people live in ZIP code 04574, in 684 households, at 42.7 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 04574?

$59,861 a year, against $74,733 across Maine.

What ZIP codes are near 04574?

The closest are 04862 (5.6 mi), 04348 (6.3 mi), 04949 (8 mi), 04341 (8.1 mi) and 04354 (9.6 mi).

Is 04574 a PO Box ZIP code?

04574 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “04574 ZIP Code — Washington, Maine (Knox County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/04574

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