78583 ZIP Code — Rio Hondo, TX

Cameron County, Texas

ZIP code 78583 is located in Rio Hondo, Texas, within Cameron County. It covers approximately 93.12 square miles and serves a population of 6,384 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 956.

About ZIP code 78583

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $124,300. Owner-occupancy is high at 83%, well above the national average.

Median household income is $59,217. SNAP benefit usage at 22% of households reflects economic stress in the area. 40% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is service, with education and healthcare as the leading industry. The average commute of 24 minutes is near the national average.

College attainment at 16% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of diabetes (19%) compared to national benchmarks. 22% of residents lack health insurance, above the national average.

Overall, ZIP code 78583 reflects a community defined by a trades-oriented workforce, high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.

6,384

population

93.12

sq mi land

Standard

ZIP type

Central (CT)

timezone

78583 ZIP code map

Cities in ZIP code 78583

Below are the cities the US Postal Service accepts for ZIP code 78583. Using any city not on this list may result in mail delivery delays.

City	Status
Rio Hondo	Preferred

Nearby ZIP codes

78566 Los Fresnos (10.9 mi) 78550 Harlingen (14.3 mi) 78586 San Benito (17.1 mi) 78575 Olmito (18.4 mi) 78526 Brownsville (19.6 mi) 78569 Lyford (19.7 mi) 78578 Port Isabel (19.9 mi)

Demographics updated 06/2026

Population
Total population	6,384
Population density	69 / sq mi
State FIPS	48
County FIPS	061

Geography
Land area	93.12 sq mi
Water area	17.12 sq mi
Latitude	26.2760
Longitude	-97.4509
Timezone	Central (CT)
Area code	956

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	54.8%	57.0%	39.5%
$50k – $100k	25.1%	28.1%	30.1%
$100k – $200k	15.8%	12.6%	22.6%
Over $200k	4.2%	2.3%	7.8%

Demographics & statistics

6,384

Population

People per sq mi

41.6

Median age

$59,217

Median household income

$23,761

Per capita income

$124,300

Median home value

$761

Median monthly rent

82.8%

Home ownership

16.6%

Poverty rate

1.8%

Unemployment

2,591

Housing units

15.7%

Bachelor's or higher

Age distribution

Male Female

169

Under 5

183

196

5–9

213

287

10–14

312

243

15–19

264

141

20–24

153

240

25–34

261

333

35–44

361

488

45–54

530

200

55–59

216

60–64

357

65–74

387

265

75–84

288

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,628	25.5%
18 and over	4,756	74.5%
65 and over	1,413	22.1%
Median age	41.6 years

Race & ethnicity

White 39%

Hispanic or Latino 30.1%

Two or more races 26.7%

Other race 3.9%

American Indian / Alaska Native 0.3%

Asian 0.1%

Group	Count	%
White	3,558	39%
Hispanic or Latino	2,750	30.1%
Two or more races	2,436	26.7%
Other race	353	3.9%
American Indian / Alaska Native	24	0.3%
Asian	13	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	54.8%	57.0%	39.5%
$50k – $100k	25.1%	28.1%	30.1%
$100k – $200k	15.8%	12.6%	22.6%
Over $200k	4.2%	2.3%	7.8%

Under $10k 7.4%

$10k–$15k 5.3%

$15k–$25k 7.4%

$25k–$35k 14.8%

$35k–$50k 6.8%

$50k–$75k 21.5%

$75k–$100k 13.0%

$100k–$150k 16.0%

$150k–$200k 5.3%

$200k+ 2.7%

Range	% of households
Under $10k	7.4%
$10k–$15k	5.3%
$15k–$25k	7.4%
$25k–$35k	14.8%
$35k–$50k	6.8%
$50k–$75k	21.5%
$75k–$100k	13.0%
$100k–$150k	16.0%
$150k–$200k	5.3%
$200k+	2.7%
Median income	$59,217

Housing

Home values

Under $50k 19.9%

$50k–$100k 16.3%

$100k–$150k 23.9%

$150k–$200k 19.1%

$200k–$300k 12.3%

$300k–$500k 3.7%

$500k–$1M 4.8%

Housing overview

Metric	Value
Median home value	$124,300
Median rent / month	$761
Owner occupied	82.8%
Renter occupied	17.2%
Vacant	29.0%
Single-family detached	78.6%
Large apartment buildings	0.8%
Mobile homes	16.1%
Median rooms	5.0
Avg household size (owned)	3.19

Year built

Era	%
2020 or later	0.6%
2010–2019	9.5%
2000–2009	22.0%
1990–1999	19.9%
1980–1989	24.6%
1970–1979	12.7%
1960–1969	3.3%
1950–1959	2.7%
1940–1949	2.2%
1939 or earlier	2.5%

Bedrooms

Size	% of units
No bedroom (studio)	3.0%
1 bedroom	8.5%
2 bedrooms	19.7%
3 bedrooms	54.4%
4 bedrooms	12.8%
5+ bedrooms	1.6%

Vehicles per household

Vehicles	% of households
No vehicle	8.1%
1 vehicle	23.2%
2 vehicles	39.8%
3 or more	28.9%

Heating fuel

Fuel type	%
Utility gas	4.4%
Electricity	92.1%
Propane / LP gas	3.4%

Households & families

Household type	Count	%
Married-couple family	1,213	57.9%
Cohabiting couple	31	1.5%
Male householder, no spouse	366	17.5%
Female householder, no spouse	485	23.2%
Households with children under 18	900	43.0%
Households with seniors (65+)	966	46.1%
Average household size	3.05

Marital status

Status	Male	Female
Never married	20.0%	29.2%
Married	62.4%	50.4%
Separated	0.9%	2.0%
Widowed	7.5%	12.0%
Divorced	9.2%	6.4%

Education

Less than 9th grade 15.8%

Some HS, no diploma 8.8%

HS graduate 36.4%

Some college, no degree 16.0%

Associate's degree 7.4%

Bachelor's degree 12.8%

Graduate / professional 2.9%

Metric	%
HS diploma or higher	75.4%
Bachelor's or higher	15.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	12	0.7%
Kindergarten	64	3.6%
Elementary school	901	50.8%
High school	361	20.3%
College / grad school	436	24.6%

Employment

Industry of employment

Education & healthcare 32.9%

Retail trade 10.7%

Arts, food & hospitality 10.1%

Other services 9.9%

Construction 6.7%

Manufacturing 5.9%

Public administration 5.4%

Wholesale trade 4.3%

Professional & management 4.3%

Finance & real estate 3.8%

Agriculture & mining 3.5%

Transportation & utilities 2.5%

Occupation

Category	%
Management, business & arts	24.3%
Service	28.6%
Sales & office	23.3%
Natural resources & construction	13.8%
Production & transportation	10.0%

Employment type

Type	%
Private sector	72.0%
Government	18.2%
Self-employed	9.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	84.9%
Carpool	4.0%
Public transit	0.0%
Walk	1.6%
Work from home	9.4%
Other means	0.2%
Avg commute (minutes)	23.5

Poverty

All people 16.6%

Under 18 years 21.3%

18 and over 15.0%

Married-couple families 8.0%

Female-led households 9.7%

Income support

Source	% of households
Social Security	40.3%
Retirement income	29.2%
Supplemental Security	1.7%
Cash public assistance	1.6%
Food stamps / SNAP	22.0%

Health indicators

Condition	%
Obesity	41.9%
High blood pressure	37.6%
High cholesterol	35.4%
Diabetes	18.6%
Heart disease	8.5%
Stroke	4.2%
Asthma	8.7%
Arthritis	22.4%
Kidney disease	4.3%
Pulmonary disease	8.0%
Cancer	5.7%

Behavior / access	%
Smoking	18.3%
Binge drinking	15.2%
No physical activity	33.3%
Less than 7 hrs sleep	31.9%
Depression	20.1%
Fair or poor health	29.3%
Poor mental health	15.6%
Poor physical health	16.5%
No health insurance	46.0%
Visited doctor (checkup)	72.0%
Visited dentist	47.5%
Cholesterol screening	87.9%
Teeth loss	18.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	266	5.6%

Disability	%
Any disability	13.5%
Under 18	2.0%
18–64 years	6.5%
65 and over	43.5%

Health insurance coverage

Type	%
Private insurance	45.0%
Public insurance	40.3%
No insurance	21.7%
Uninsured under 19	10.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	6,032	94.5%
Spanish	1,026	17.0%
Other Indo-European	1,013	16.8%
Asian & Pacific Islander	0	0.0%
Other languages	13	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,262	82.4%
Born in same state	5,147	80.6%
Born in different state	4,457	69.8%
Foreign born	115	1.8%
Naturalized citizen	1,122	17.6%
Not a US citizen	422	37.6%

Ancestry

Ancestry	Count	%
French	219	3.4%
Italian	120	1.9%
Arab	55	0.9%
Irish	33	0.5%

Ancestry	Count	%
English	33	0.5%
Polish	31	0.5%
Dutch	13	0.2%

Technology access

Metric	% of households
Computer access	32.8%
Internet access	86.9%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 78583

What city is ZIP code 78583 in?

ZIP code 78583 is primarily assigned to Rio Hondo, Texas.

What county is ZIP code 78583 in?

ZIP code 78583 falls within Cameron County, Texas.

Is ZIP code 78583 mostly owner-occupied?

83% of occupied units in ZIP code 78583 are owner-occupied, well above the national average.

What is the poverty rate in ZIP code 78583?

17% of residents in ZIP code 78583 live below the poverty line, above the national average.

Does ZIP code 78583 have a large retiree population?

40% of households in ZIP code 78583 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 78583?

The median home value in ZIP code 78583 is $124,300.

What timezone is ZIP code 78583 in?

ZIP code 78583 observes the CST timezone.