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zipcodes.pro — ZIP/78584

78584

ZIP 78584 is Roma, Texas, in Starr County; area code 956; Central time.

Type
Standard
Time zone
America/Chicago
County
Starr
Population
18,464
Coordinates
26.5697, -98.9920
☼ Live from 78584 — Roma, TX

Weather right now

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Local time: —

Where 78584 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 78584
  • 🔢 Type 78584 into a pocket calculator and turn it upside down: hBSBL — not quite a word, sorry.
  • ➕ As a number, 78,584 = 2 × 2 × 2 × 11 × 19 × 47. Its digits add up to 32, a total 644 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011001011111000
  • 🏠 Its numerical neighbours: 78583 (Rio Hondo, TX, 96 mi away) and 78585 (Salineno, TX, 8 mi away).
  • 🔄 Backwards, 78584 becomes 48587, which is not a ZIP code at all.
  • 👥 22 other ZIP codes are made of exactly the same digits (45788, 45887, 47588, 47858, 47885, 48758, …). The farthest-flung twin is 58748 in Kramer, ND, 1,529 miles away.
  • 🧭 Farther south than 97% of all ZIP codes, and farther west than 79%.
  • 🎯916 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 78584 and you would come out at 26.57°S, 81.01°E — 1,430 miles from West Island, Cocos Islands, the nearest big city to that spot.
  • ☀Longest day of the year: 13h 49m of daylight. Shortest: 10h 28m.
  • 📏 At 212.8 square miles of land, 78584 is bigger than 91% of ZIP codes — room for about 162 Central Parks.
🌙 The sky over 78584 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population18,464This ZIP18,464
Households5,402This ZIP5,402
Housing units6,775This ZIP6,775
Median age28.1This ZIP28.1Texas35.6US 38.9
Median household income$27,056This ZIP$27,056Texas$78,476US $80,734
Median home value$81,400This ZIP$81,400Texas$283,800US $332,700
Median gross rent$636This ZIP$636Texas$1,403US $1,413
Bachelor's degree or higher15.0%This ZIP15.0%
Mean commute25.6 minThis ZIP25.6 min
Population density86.7 / sq miThis ZIP86.7 / sq mi

Business and tax activity

Business establishments140This ZIP140
Employees1,378This ZIP1,378
Annual payroll$30,205,000This ZIP$30,205,000
Tax returns filed7,910This ZIP7,910
Total adjusted gross income$266,844,000This ZIP$266,844,000

Land area

Land area212.84 sq miThis ZIP212.84 sq mi
Water area0.76 sq miThis ZIP0.76 sq mi

Other place names in 78584

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

ZIP codes near 78584

ZIPCityDistance
78585 Salineno, TX 8.1 mi
78545 Falcon Heights, TX 8.9 mi
78564 Lopeno, TX 11.1 mi
78582 Rio Grande City, TX 15.8 mi
78360 Guerra, TX 22.4 mi
78547 Garciasville, TX 25.9 mi
78076 Zapata, TX 26.6 mi
78591 Santa Elena, TX 27.6 mi
78548 Grulla, TX 29.1 mi
78595 Sullivan City, TX 33.0 mi

Find every ZIP code within 10 miles of 78584 →

Questions about this ZIP code

Where is ZIP code 78584?

78584 is in Roma, Texas, in Starr County, part of the Rio Grande City-Roma, TX micropolitan area. Its published point location is 26.5697, -98.9920.

What county is 78584 in?

78584 lies in Starr County.

What area code is 78584?

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

What time zone is 78584 in?

78584 uses America/Chicago.

How many people live in 78584?

About 18,464 people live in ZIP code 78584, in 5,402 households, at 86.7 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 78584?

$27,056 a year, against $78,476 across Texas.

What ZIP codes are near 78584?

The closest are 78585 (8.1 mi), 78545 (8.9 mi), 78564 (11.1 mi), 78582 (15.8 mi) and 78360 (22.4 mi).

Is 78584 a PO Box ZIP code?

78584 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “78584 ZIP Code — Roma, Texas (Starr County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78584

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