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zipcodes.pro — ZIP/51002

51002

ZIP 51002 is Alta, Iowa, mostly in Buena Vista County; area code 712; Central time.

Type
Standard
Time zone
America/Chicago
County
Buena Vista +1 more
Metro area
Storm Lake, IA
Population
2,787
Coordinates
42.7021, -95.3189
☼ Live from 51002 — Alta, IA

Weather right now

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NEXRAD radar
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Local time: —

Where 51002 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 51002
  • 🔢 Type 51002 into a pocket calculator and turn it upside down: ZOOIS — not quite a word, sorry.
  • ➕ As a number, 51,002 = 2 × 7 × 3643. Its digits add up to 8, a total 251 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100011100111010
  • 🏠 Its numerical neighbours: 51001 (Akron, IA, 63 mi away) and 51003 (Alton, IA, 39 mi away).
  • 🔄 Backwards, 51002 becomes 20015 — and that is a real ZIP code: Washington, DC, 987 miles away.
  • 👥 23 other ZIP codes are made of exactly the same digits (01520, 02051, 02150, 05201, 10025, 10502, …). The farthest-flung twin is 02051 in Marshfield Hills, MA, 1,250 miles away.
  • 🧭 Farther north than 81% of all ZIP codes, and farther west than 69%.
  • 🎯261 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 51002 and you would come out at 42.70°S, 84.68°E — 830 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 20m of daylight. Shortest: 9h 02m.
  • 📏 At 109.7 square miles of land, 51002 is bigger than 80% of ZIP codes — room for about 83 Central Parks.
🌙 The sky over 51002 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population2,787This ZIP2,787
Households1,053This ZIP1,053
Housing units1,174This ZIP1,174
Median age35.8This ZIP35.8Iowa38.6US 38.9
Median household income$70,625This ZIP$70,625Iowa$75,059US $80,734
Median home value$167,100This ZIP$167,100Iowa$208,000US $332,700
Median gross rent$953This ZIP$953Iowa$972US $1,413
Bachelor's degree or higher27.4%This ZIP27.4%
Mean commute15.5 minThis ZIP15.5 min
Population density25.4 / sq miThis ZIP25.4 / sq mi

Business and tax activity

Business establishments53This ZIP53
Employees288This ZIP288
Annual payroll$15,577,000This ZIP$15,577,000
Tax returns filed1,290This ZIP1,290
Total adjusted gross income$99,107,000This ZIP$99,107,000

Land area

Land area109.69 sq miThis ZIP109.69 sq mi
Water area0.04 sq miThis ZIP0.04 sq mi

Counties 51002 spans

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

CountyShare of this ZIP
Buena Vista County 98.6%
Cherokee County 1.4%

Other place names in 51002

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

ZIP codes near 51002

ZIPCityDistance
51005 Aurelia, IA 5.3 mi
50592 Truesdale, IA 7.1 mi
50588 Storm Lake, IA 8.6 mi
50576 Rembrandt, IA 10.0 mi
51012 Cherokee, IA 12.6 mi
51020 Galva, IA 13.7 mi
51053 Schaller, IA 14.4 mi
51033 Linn Grove, IA 15.4 mi
50568 Newell, IA 16.7 mi
51047 Peterson, IA 16.8 mi

Find every ZIP code within 10 miles of 51002 →

Questions about this ZIP code

Where is ZIP code 51002?

51002 is in Alta, Iowa, in Buena Vista County, part of the Storm Lake, IA micropolitan area. Its published point location is 42.7021, -95.3189.

What county is 51002 in?

51002 spans 2 counties: Buena Vista County and Cherokee County. Most of it falls in Buena Vista 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 51002?

Alta uses area code 712, from NANPA's telephone records.

What time zone is 51002 in?

51002 uses America/Chicago.

How many people live in 51002?

About 2,787 people live in ZIP code 51002, in 1,053 households, at 25.4 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 51002?

$70,625 a year, against $75,059 across Iowa.

What ZIP codes are near 51002?

The closest are 51005 (5.3 mi), 50592 (7.1 mi), 50588 (8.6 mi), 50576 (10 mi) and 51012 (12.6 mi).

Is 51002 a PO Box ZIP code?

51002 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “51002 ZIP Code — Alta, Iowa (Buena Vista County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/51002

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