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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/81004

81004

ZIP 81004 is in Pueblo, Colorado, in Pueblo County; area code 719; Mountain time. Pueblo has 12 ZIP codes in all.

Type
Standard
Time zone
America/Denver
County
Pueblo
Metro area
Pueblo, CO
Population
25,757
Coordinates
38.0441, -104.7144
☼ Live from 81004 — Pueblo, CO

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Where 81004 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 81004
  • 🔢 Type 81004 into a pocket calculator and turn it upside down: hOOIB — not quite a word, sorry.
  • ➕ As a number, 81,004 = 2 × 2 × 7 × 11 × 263. Its digits add up to 13, a total 1,179 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011110001101100
  • 🏠 Its numerical neighbours: 81003 (Pueblo, CO, 16 mi away) and 81005 (Pueblo, CO, 13 mi away).
  • 🔄 Backwards, 81004 becomes 40018 — and that is a real ZIP code: Eastwood, KY, 1,045 miles away.
  • 👥 26 other ZIP codes are made of exactly the same digits (00841, 01084, 01840, 04108, 08014, 08041, …). The farthest-flung twin is 00841 in Frederiksted, VI, 2,780 miles away.
  • 🧭 Farther south than 58% of all ZIP codes, and farther west than 82%.
  • 🎯352 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 81004 and you would come out at 38.04°S, 75.29°E — 821 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 49m of daylight. Shortest: 9h 31m.
  • 📏 At 160.9 square miles of land, 81004 is bigger than 88% of ZIP codes — room for about 122 Central Parks.
🌙 The sky over 81004 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population25,757This ZIP25,757
Households11,466This ZIP11,466
Housing units12,549This ZIP12,549
Median age40.9This ZIP40.9Colorado37.7US 38.9
Median household income$51,789This ZIP$51,789Colorado$95,470US $80,734
Median home value$213,700This ZIP$213,700Colorado$539,400US $332,700
Median gross rent$1,065This ZIP$1,065Colorado$1,761US $1,413
Bachelor's degree or higher21.6%This ZIP21.6%
Mean commute20.2 minThis ZIP20.2 min
Population density160.0 / sq miThis ZIP160.0 / sq mi

Business and tax activity

Business establishments360This ZIP360
Employees7,672This ZIP7,672
Annual payroll$439,813,000This ZIP$439,813,000
Tax returns filed10,800This ZIP10,800
Total adjusted gross income$488,933,000This ZIP$488,933,000

Land area

Land area160.94 sq miThis ZIP160.94 sq mi
Water area1.61 sq miThis ZIP1.61 sq mi

Other place names in 81004

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

ZIP codes near 81004

ZIPCityDistance
81019 Colorado City, CO 9.6 mi
81009 Pueblo, CO 10.6 mi
81010 Pueblo, CO 10.6 mi
81011 Pueblo, CO 10.6 mi
81012 Pueblo, CO 10.6 mi
81023 Beulah, CO 11.6 mi
81005 Pueblo, CO 13.3 mi
81069 Rye, CO 14.2 mi
81022 Avondale, CO 15.3 mi
81002 Pueblo, CO 15.6 mi

Find every ZIP code within 10 miles of 81004 →

Questions about this ZIP code

Where is ZIP code 81004?

81004 is in Pueblo, Colorado, in Pueblo County, part of the Pueblo, CO metropolitan area. Its published point location is 38.0441, -104.7144.

What county is 81004 in?

81004 lies in Pueblo County.

What area code is 81004?

Pueblo uses area code 719, from NANPA's telephone records.

What time zone is 81004 in?

81004 uses America/Denver.

How many people live in 81004?

About 25,757 people live in ZIP code 81004, in 11,466 households, at 160.0 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 81004?

$51,789 a year, against $95,470 across Colorado.

What ZIP codes are near 81004?

The closest are 81019 (9.6 mi), 81009 (10.6 mi), 81010 (10.6 mi), 81011 (10.6 mi) and 81012 (10.6 mi).

Is 81004 a PO Box ZIP code?

81004 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “81004 ZIP Code — Pueblo, Colorado (Pueblo County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/81004

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