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zipcodes.pro — ZIP/78583

78583

ZIP 78583 is Rio Hondo, Texas, in Cameron County; area code 956; Central time.

Type
Standard
Time zone
America/Chicago
County
Cameron
Population
5,236
Coordinates
26.2855, -97.4716
☼ Live from 78583 — Rio Hondo, TX

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Local time: —

Where 78583 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 78583
  • 🔢 Type 78583 into a pocket calculator and turn it upside down: EBSBL — not quite a word, sorry.
  • ➕ 78583 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 31, a total 799 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011001011110111
  • 🏠 Its numerical neighbours: 78582 (Rio Grande City, TX, 80 mi away) and 78584 (Roma, TX, 96 mi away).
  • 🔄 Backwards, 78583 becomes 38587 — and that is a real ZIP code: Walling, TN, 963 miles away.
  • 👥 20 other ZIP codes are made of exactly the same digits (37885, 38578, 38587, 38857, 38875, 53788, …). The farthest-flung twin is 83857 in Princeton, ID, 1,772 miles away.
  • 🧭 Farther south than 98% of all ZIP codes, and farther west than 75%.
  • 🎯938 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 78583 and you would come out at 26.29°S, 82.53°E — 1,348 miles from West Island, Cocos Islands, the nearest big city to that spot.
  • ☀Longest day of the year: 13h 47m of daylight. Shortest: 10h 29m.
  • 📏 At 93.1 square miles of land, 78583 is bigger than 76% of ZIP codes — room for about 71 Central Parks.
🌙 The sky over 78583 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population5,236This ZIP5,236
Households1,952This ZIP1,952
Housing units2,576This ZIP2,576
Median age44.3This ZIP44.3Texas35.6US 38.9
Median household income$51,453This ZIP$51,453Texas$78,476US $80,734
Median home value$161,900This ZIP$161,900Texas$283,800US $332,700
Median gross rent$698This ZIP$698Texas$1,403US $1,413
Bachelor's degree or higher15.7%This ZIP15.7%
Mean commute23.4 minThis ZIP23.4 min
Population density56.2 / sq miThis ZIP56.2 / sq mi

Business and tax activity

Business establishments41This ZIP41
Employees551This ZIP551
Annual payroll$13,460,000This ZIP$13,460,000
Tax returns filed2,690This ZIP2,690
Total adjusted gross income$129,184,000This ZIP$129,184,000

Land area

Land area93.12 sq miThis ZIP93.12 sq mi
Water area17.12 sq miThis ZIP17.12 sq mi

Other place names in 78583

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

ZIP codes near 78583

ZIPCityDistance
78568 Lozano, TX 7.9 mi
78566 Los Fresnos, TX 11.5 mi
78550 Harlingen, TX 12.1 mi
78597 South Padre Island, TX 12.1 mi
78553 Harlingen, TX 15.4 mi
78551 Harlingen, TX 15.7 mi
78586 San Benito, TX 16.2 mi
78535 Combes, TX 16.3 mi
78598 Port Mansfield, TX 18.0 mi
78590 San Perlita, TX 18.1 mi

Find every ZIP code within 10 miles of 78583 →

Questions about this ZIP code

Where is ZIP code 78583?

78583 is in Rio Hondo, Texas, in Cameron County, part of the Brownsville-Harlingen, TX metropolitan area. Its published point location is 26.2855, -97.4716.

What county is 78583 in?

78583 lies in Cameron County.

What area code is 78583?

Rio Hondo uses area code 956, from NANPA's telephone records.

What time zone is 78583 in?

78583 uses America/Chicago.

How many people live in 78583?

About 5,236 people live in ZIP code 78583, in 1,952 households, at 56.2 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 78583?

$51,453 a year, against $78,476 across Texas.

What ZIP codes are near 78583?

The closest are 78568 (7.9 mi), 78566 (11.5 mi), 78550 (12.1 mi), 78597 (12.1 mi) and 78553 (15.4 mi).

Is 78583 a PO Box ZIP code?

78583 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “78583 ZIP Code — Rio Hondo, Texas (Cameron County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78583

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