PlainZIP

Rio Grande City, TX

Single-footprint Census roll-up for Rio Grande City, TX: 1 USPS ZIP, population 40,455. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet RIO-GRANDE-CITY-TX · Rio Grande City, TX 1 ZIPs · 40,455 pop · #23518/25278 · Starr County

INC-LOW · RANK-BOTTOM · ABOVE-PEER · BOOK-ONE · OWN-MID · POP-SMALL · SPREAD-UNK · HOME-LOW

  • INC-LOW $42,626
  • RANK-BOTTOM #23518/25278
  • ABOVE-PEER over Grulla
  • BOOK-ONE 1 ZIP
  • OWN-MID 72% owners
  • POP-SMALL 40,455
  • SPREAD-UNK Single-ZIP book
  • HOME-LOW $102,800

Nearest income peer: Grulla, TX ( $5,318 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Rio Grande City

Lowest/highest poles plus county-sharing cities nearest Rio Grande City on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Rio Grande City, TX sits among US cities with one of the lowest household incomes among US cities, on a small-city population base, across a single-ZIP footprint.

7th pct
household income vs 25,278 US cities
40,455
city population (Census)
1
USPS ZIP codes covered
$42,626
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

Lower-income footing on only 1 ZIP ($42,626 average) · poverty 31.3%. The primary code (78582) carries the ACS household fields that matter.

Owner-occupancy sits in a mixed band (72.3%) - check the ZIP page's tenure split before treating Rio Grande City as a pure owner town.

Within Texas, Walnut Springs is the closest lower-income city and Presidio the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Rio Grande City.

Population concentration

One ZIP, 78582, is all of Rio Grande City

There is no split to weigh here: 78582 holds every one of Rio Grande City's 40,455 ACS residents. City-level and ZIP-level numbers on this site are the same number twice, check the ZIP page for the income/tenure/commute breakdown.

Census ZBP business roll-up

Sparse ZBP book inside single-ZIP Rio Grande City

Citywide ZBP: 429 establishments, 7,046 employees , annual payroll $194,922k (~11 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 78582 (429 units) ; leading NAICS Health care and social assistance (94) · also Retail trade · Finance and insurance .

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ZIP Codes in Rio Grande City, TX

These ZIP codes sit in Starr County, which covers 8 ZIP codes in all; 1 of them fall in Rio Grande City. See the Starr County roll-up →

Rio Grande City sits in the upper half of Starr County on income: Roma, Grulla and Falcon Heights report less, while San Isidro reports more. San Isidro marks the far end of that range at $94,821, 122% above Rio Grande City.

ZIP Code Population Median income Establishments Density
78582 40,455 $42,626 429 24
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Rio Grande City roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Rio Grande City, .