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Where 51449 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.
- 🔢 Type 51449 into a pocket calculator and turn it upside down: GhhIS — not quite a word, sorry.
- ➕ 51449 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 23, a total 2,533 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100100011111001 - 🏠 Its numerical neighbours: 51448 (Kiron, IA, 30 mi away) and 51450 (Lake View, IA, 15 mi away).
- 🔄 Backwards, 51449 becomes 94415, which is not a ZIP code at all.
- 👥 21 other ZIP codes are made of exactly the same digits (14549, 15449, 15944, 19454, 19544, 41549, …). The farthest-flung twin is 95441 in Geyserville, CA, 1,501 miles away.
- 🧭 Farther north than 77% of all ZIP codes, and farther west than 68%.
- 🎯262 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 51449 and you would come out at 42.27°S, 85.27°E — 872 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 16m of daylight. Shortest: 9h 05m.
- 📏 At 89.7 square miles of land, 51449 is bigger than 75% of ZIP codes — room for about 68 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,950This ZIP1,950 |
|---|---|
| Households | 823This ZIP823 |
| Housing units | 898This ZIP898 |
| Median age | 48.3This ZIP48.3Iowa38.6US 38.9 |
| Median household income | $75,329This ZIP$75,329Iowa$75,059US $80,734 |
| Median home value | $115,800This ZIP$115,800Iowa$208,000US $332,700 |
| Median gross rent | $763This ZIP$763Iowa$972US $1,413 |
| Bachelor's degree or higher | 17.6%This ZIP17.6% |
| Mean commute | 17.1 minThis ZIP17.1 min |
| Population density | 21.7 / sq miThis ZIP21.7 / sq mi |
Business and tax activity
| Business establishments | 73This ZIP73 |
|---|---|
| Employees | 854This ZIP854 |
| Annual payroll | $40,256,000This ZIP$40,256,000 |
| Tax returns filed | 870This ZIP870 |
| Total adjusted gross income | $71,295,000This ZIP$71,295,000 |
Land area
| Land area | 89.68 sq miThis ZIP89.68 sq mi |
|---|---|
| Water area | 0.55 sq miThis ZIP0.55 sq mi |
Counties 51449 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Calhoun County | 87.8% |
| Carroll County | 12.2% |
Other place names in 51449
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 51449
| ZIP | City | Distance |
|---|---|---|
51451 | Lanesboro, IA | 5.9 mi |
51433 | Auburn, IA | 7.2 mi |
51453 | Lohrville, IA | 9.7 mi |
50579 | Rockwell City, IA | 10.2 mi |
51452 | Lidderdale, IA | 10.2 mi |
50561 | Lytton, IA | 12.0 mi |
51443 | Glidden, IA | 13.7 mi |
50050 | Churdan, IA | 13.9 mi |
51436 | Breda, IA | 14.8 mi |
50551 | Jolley, IA | 15.0 mi |
Find every ZIP code within 10 miles of 51449 →
Questions about this ZIP code
Where is ZIP code 51449?
51449 is in Lake City, Iowa, in Calhoun County. Its published point location is 42.2660, -94.7344.
What county is 51449 in?
51449 spans 2 counties: Calhoun County and Carroll County. Most of it falls in Calhoun 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 51449?
Lake City uses area code 712, from NANPA's telephone records.
What time zone is 51449 in?
51449 uses America/Chicago.
How many people live in 51449?
About 1,950 people live in ZIP code 51449, in 823 households, at 21.7 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 51449?
$75,329 a year, against $75,059 across Iowa.
What ZIP codes are near 51449?
The closest are 51451 (5.9 mi), 51433 (7.2 mi), 51453 (9.7 mi), 50579 (10.2 mi) and 51452 (10.2 mi).
Is 51449 a PO Box ZIP code?
51449 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “51449 ZIP Code — Lake City, Iowa (Calhoun County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/51449
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/51449.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.