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US ZIP Code Profile

ZIP Code 78584
Roma, Texas

ZIP code 78584 is in Roma, located in Starr County, Texas, within the Rio Grande City metro area. Its 2020 Census population was 19,373. The estimated median adjusted gross income per tax return is $22,523, and about 0% of filers report $200,000 or more.

2020 Population
19,373
Census ZCTA
County
Starr
FIPS 48427
Median income (est.)
$22,523
IRS SOI 2022 · approx.
Land Area
238.111 mi²
+ 0.63 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityRoma, TX
CountyStarr County (FIPS 48427)
StateTexas (FIPS 48)
Metro Area (MSA)Rio Grande City, TX Micro Area (40100)
Census Region / DivisionSouth Region · West South Central Division
Coordinates26.57331, -98.96276
Land / Water Area238.111 mi² land · 0.63 mi² water

02Income & Economics

Distribution of the 7,910 individual tax returns filed in 78584 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
55.5%
$25K–$50K
25.2%
$50K–$75K
11.0%
$75K–$100K
4.4%
$100K–$200K
3.5%
$200K+
0.4%
The $200,000+ bracket accounts for 6% of 78584's total adjusted gross income, from 0% of returns — a concentration that drives the gap between the median ($22,523) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income. Estimate is approximate for this ZIP (median falls in the lowest bracket).

03Income Over Time

Year-over-year change in 78584's IRS income metrics, 2020–2022.

Median income (2021→2022)
$22,523
▲ 1.5%
Filers earning $200K+
0.4%
▲ 0.0 pt
Total filers
7,910
▼ 0.8%
GET /zipc/v2/zipcodes/78584/soi?year=… $22K 2020 $22K 2021 $23K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 78584 ZCTA.

2000
17,030
 
2010
18,128
▲ +6.4%
2020
19,373
▲ +6.9%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number487730
City AliasesFalcon, Fronton, Los Saenz, Roma

06Frequently Asked Questions

What county is ZIP code 78584 in?

ZIP code 78584 is in Starr County, Texas (county FIPS code 48427).

What city is ZIP code 78584?

The primary USPS city for 78584 is Roma, TX.

What metro area (MSA) is 78584 in?

78584 is part of the Rio Grande City, TX Micro Area (MSA code 40100).

What is the population of ZIP code 78584?

The 2020 Census population of 78584 was 19,373 residents.

What is the median income in ZIP code 78584?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78584 is about $22,523, with around 0% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.