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Where 74820 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 74820 into a pocket calculator and turn it upside down: OZBhL — not quite a word, sorry.
- ➕ As a number, 74,820 = 2 × 2 × 3 × 5 × 29 × 43. Its digits add up to 21, a total 2,594 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10010010001000100 - 🏠 Its numerical neighbours: 74818 (Seminole, OK, 29 mi away) and 74821 (Ada, OK, 3 mi away).
- 🔄 Backwards, 74820 becomes 02847, which is not a ZIP code at all.
- 👥 57 other ZIP codes are made of exactly the same digits (02478, 02748, 02874, 04287, 07428, 07842, …). The farthest-flung twin is 04287 in Bowdoin, ME, 1,555 miles away.
- 🧭 Farther south than 75% of all ZIP codes, and farther west than 73%.
- 🎯362 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 74820 and you would come out at 34.80°S, 83.28°E — 1,204 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 30m of daylight. Shortest: 9h 49m.
- 📏 At 285.6 square miles of land, 74820 is bigger than 94% of ZIP codes — room for about 217 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 31,943This ZIP31,943 |
|---|---|
| Households | 12,636This ZIP12,636 |
| Housing units | 14,552This ZIP14,552 |
| Median age | 37.0This ZIP37.0Oklahoma37.0US 38.9 |
| Median household income | $62,357This ZIP$62,357Oklahoma$65,039US $80,734 |
| Median home value | $181,400This ZIP$181,400Oklahoma$199,800US $332,700 |
| Median gross rent | $891This ZIP$891Oklahoma$1,014US $1,413 |
| Bachelor's degree or higher | 31.2%This ZIP31.2% |
| Mean commute | 16.6 minThis ZIP16.6 min |
| Population density | 111.9 / sq miThis ZIP111.9 / sq mi |
Business and tax activity
| Business establishments | 846This ZIP846 |
|---|---|
| Employees | 12,351This ZIP12,351 |
| Annual payroll | $616,073,000This ZIP$616,073,000 |
| Tax returns filed | 12,620This ZIP12,620 |
| Total adjusted gross income | $832,120,000This ZIP$832,120,000 |
Land area
| Land area | 285.58 sq miThis ZIP285.58 sq mi |
|---|---|
| Water area | 3.16 sq miThis ZIP3.16 sq mi |
Counties 74820 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Pontotoc County | 100.0% |
| Pottawatomie County | 0.0% |
Other place names in 74820
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 74820
| ZIP | City | Distance |
|---|---|---|
74821 | Ada, OK | 2.9 mi |
74844 | Francis, OK | 8.7 mi |
74843 | Fitzhugh, OK | 10.2 mi |
74849 | Konawa, OK | 12.1 mi |
74842 | Fittstown, OK | 14.0 mi |
74865 | Roff, OK | 14.4 mi |
74867 | Sasakwa, OK | 15.0 mi |
74872 | Stratford, OK | 15.6 mi |
74871 | Stonewall, OK | 17.1 mi |
74826 | Asher, OK | 17.9 mi |
Find every ZIP code within 10 miles of 74820 →
Questions about this ZIP code
Where is ZIP code 74820?
74820 is in Ada, Oklahoma, in Pontotoc County, part of the Ada, OK micropolitan area. Its published point location is 34.8044, -96.7154.
What county is 74820 in?
74820 spans 2 counties: Pontotoc County and Pottawatomie County. Most of it falls in Pontotoc 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 74820?
Ada uses area code 580, from NANPA's telephone records.
What time zone is 74820 in?
74820 uses America/Chicago.
How many people live in 74820?
About 31,943 people live in ZIP code 74820, in 12,636 households, at 111.9 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 74820?
$62,357 a year, against $65,039 across Oklahoma.
What ZIP codes are near 74820?
The closest are 74821 (2.9 mi), 74844 (8.7 mi), 74843 (10.2 mi), 74849 (12.1 mi) and 74842 (14 mi).
Is 74820 a PO Box ZIP code?
74820 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “74820 ZIP Code — Ada, Oklahoma (Pontotoc County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/74820
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/74820.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.