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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/61704

61704

ZIP 61704 is in Bloomington, Illinois, in McLean County; area code 309; Central time. Bloomington has 8 ZIP codes in all.

Type
Standard
Time zone
America/Chicago
County
McLean
Metro area
Bloomington, IL
Population
37,279
Coordinates
40.4701, -88.9415
☼ Live from 61704 — Bloomington, IL

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Where 61704 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 61704
  • 🔢 Type 61704 into a pocket calculator and turn it upside down: hOLIg — not quite a word, sorry.
  • ➕ As a number, 61,704 = 2 × 2 × 2 × 3 × 3 × 857. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111000100001000
  • 🏠 Its numerical neighbours: 61702 (Bloomington, IL, 5 mi away) and 61705 (Bloomington, IL, 8 mi away).
  • 🔄 Backwards, 61704 becomes 40716, which is not a ZIP code at all.
  • 👥 72 other ZIP codes are made of exactly the same digits (01467, 01746, 04617, 04671, 04761, 06147, …). The farthest-flung twin is 04671 in Robbinston, ME, 1,146 miles away.
  • 🧭 Farther north than 61% of all ZIP codes, and farther west than 53%.
  • 🎯511 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 61704 and you would come out at 40.47°S, 91.06°E — 1,184 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 04m of daylight. Shortest: 9h 17m.
  • 📏 At 19.0 square miles of land, 61704 is bigger than 37% of ZIP codes — room for about 14 Central Parks.
🌙 The sky over 61704 today
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🌋 Shake report
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Source: USGS.

People and housing

Population37,279This ZIP37,279
Households15,839This ZIP15,839
Housing units16,696This ZIP16,696
Median age37.1This ZIP37.1Illinois39.0US 38.9
Median household income$95,027This ZIP$95,027Illinois$83,390US $80,734
Median home value$248,100This ZIP$248,100Illinois$263,300US $332,700
Median gross rent$1,147This ZIP$1,147Illinois$1,274US $1,413
Bachelor's degree or higher57.1%This ZIP57.1%
Mean commute16.8 minThis ZIP16.8 min
Population density1,957.5 / sq miThis ZIP1,957.5 / sq mi

Business and tax activity

Business establishments949This ZIP949
Employees14,698This ZIP14,698
Annual payroll$691,714,000This ZIP$691,714,000
Tax returns filed18,410This ZIP18,410
Total adjusted gross income$1,947,862,000This ZIP$1,947,862,000

Land area

Land area19.04 sq miThis ZIP19.04 sq mi
Water area0.01 sq miThis ZIP0.01 sq mi

Other place names in 61704

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

ZIP codes near 61704

ZIPCityDistance
61709 Bloomington, IL 0.8 mi
61710 Bloomington, IL 0.9 mi
61799 Bloomington, IL 1.3 mi
61701 Bloomington, IL 2.7 mi
61761 Normal, IL 4.0 mi
61790 Normal, IL 4.1 mi
61702 Bloomington, IL 5.3 mi
61791 Bloomington, IL 5.3 mi
61758 Merna, IL 6.9 mi
61736 Downs, IL 7.1 mi

Find every ZIP code within 10 miles of 61704 →

Questions about this ZIP code

Where is ZIP code 61704?

61704 is in Bloomington, Illinois, in McLean County, part of the Bloomington, IL metropolitan area. Its published point location is 40.4701, -88.9415.

What county is 61704 in?

61704 lies in McLean County.

What area code is 61704?

Bloomington uses area code 309, from NANPA's telephone records.

What time zone is 61704 in?

61704 uses America/Chicago.

How many people live in 61704?

About 37,279 people live in ZIP code 61704, in 15,839 households, at 1,957.5 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 61704?

$95,027 a year, against $83,390 across Illinois.

What ZIP codes are near 61704?

The closest are 61709 (0.8 mi), 61710 (0.9 mi), 61799 (1.3 mi), 61701 (2.7 mi) and 61761 (4 mi).

Is 61704 a PO Box ZIP code?

61704 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “61704 ZIP Code — Bloomington, Illinois (McLean County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/61704

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