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Where 76664 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 76664 into a pocket calculator and turn it upside down: hgggL — not quite a word, sorry.
- ➕ As a number, 76,664 = 2 × 2 × 2 × 7 × 37 × 37. Its digits add up to 29, a total 1,296 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10010101101111000 - 🏠 Its numerical neighbours: 76661 (Marlin, TX, 18 mi away) and 76665 (Meridian, TX, 59 mi away).
- 🔄 Backwards, 76664 becomes 46667, which is not a ZIP code at all.
- 👥 11 other ZIP codes are made of exactly the same digits (46766, 47666, 64667, 64676, 64766, 66647, …). The farthest-flung twin is 46766 in Liberty Center, IN, 900 miles away.
- 🧭 Farther south than 89% of all ZIP codes, and farther west than 73%.
- 🎯580 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 76664 and you would come out at 31.56°S, 83.20°E — 1,401 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 12m of daylight. Shortest: 10h 05m.
- 📏 At 132.6 square miles of land, 76664 is bigger than 84% of ZIP codes — room for about 101 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 3,231This ZIP3,231 |
|---|---|
| Households | 1,111This ZIP1,111 |
| Housing units | 1,325This ZIP1,325 |
| Median age | 38.4This ZIP38.4Texas35.6US 38.9 |
| Median household income | $74,618This ZIP$74,618Texas$78,476US $80,734 |
| Median home value | $168,900This ZIP$168,900Texas$283,800US $332,700 |
| Median gross rent | $941This ZIP$941Texas$1,403US $1,413 |
| Bachelor's degree or higher | 16.9%This ZIP16.9% |
| Mean commute | 33.7 minThis ZIP33.7 min |
| Population density | 24.4 / sq miThis ZIP24.4 / sq mi |
Business and tax activity
| Business establishments | 26This ZIP26 |
|---|---|
| Employees | 264This ZIP264 |
| Annual payroll | $19,095,000This ZIP$19,095,000 |
| Tax returns filed | 1,330This ZIP1,330 |
| Total adjusted gross income | $75,764,000This ZIP$75,764,000 |
Land area
| Land area | 132.56 sq miThis ZIP132.56 sq mi |
|---|---|
| Water area | 0.90 sq miThis ZIP0.90 sq mi |
Counties 76664 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Limestone County | 64.8% |
| McLennan County | 28.2% |
| Falls County | 7.1% |
Other place names in 76664
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 76664
| ZIP | City | Distance |
|---|---|---|
76678 | Prairie Hill, TX | 7.0 mi |
76682 | Riesel, TX | 9.9 mi |
76624 | Axtell, TX | 11.3 mi |
76635 | Coolidge, TX | 13.6 mi |
76673 | Mount Calm, TX | 14.2 mi |
76642 | Groesbeck, TX | 16.9 mi |
76654 | Leroy, TX | 16.9 mi |
76705 | Waco, TX | 17.2 mi |
76661 | Marlin, TX | 17.7 mi |
76706 | Waco, TX | 18.1 mi |
Find every ZIP code within 10 miles of 76664 →
Questions about this ZIP code
Where is ZIP code 76664?
76664 is in Mart, Texas, in Limestone County. Its published point location is 31.5607, -96.8027.
What county is 76664 in?
76664 spans 3 counties: Limestone County, McLennan County and Falls County. Most of it falls in Limestone 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 76664?
Mart uses area code 254, from NANPA's telephone records.
What time zone is 76664 in?
76664 uses America/Chicago.
How many people live in 76664?
About 3,231 people live in ZIP code 76664, in 1,111 households, at 24.4 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 76664?
$74,618 a year, against $78,476 across Texas.
What ZIP codes are near 76664?
The closest are 76678 (7 mi), 76682 (9.9 mi), 76624 (11.3 mi), 76635 (13.6 mi) and 76673 (14.2 mi).
Is 76664 a PO Box ZIP code?
76664 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “76664 ZIP Code — Mart, Texas (Limestone County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/76664
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/76664.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.