77990 ZIP Code — Tivoli, TX

Refugio County, Texas

ZIP code 77990 is located in Tivoli, Texas, within Refugio County. It covers approximately 133.22 square miles and serves a population of 962 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 361.

About ZIP code 77990

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $89,400. Owner-occupancy is high at 87%, well above the national average.

Median household income is $74,250. The poverty rate of 6% is below the national average. 53% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 29 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 (18%) compared to national benchmarks.

Notable community characteristics include a notable veteran presence at 11% of civilians, above the national average of 7%; and disability rates above the national average at 33%.

Overall, ZIP code 77990 reflects a community defined by a trades-oriented workforce, a strong veteran community, high homeownership, and a significant Social Security-dependent population.

962
population
133.22
sq mi land
Standard
ZIP type
Central (CT)
timezone
77990 ZIP code map
Cities in ZIP code 77990

Below are the cities the US Postal Service accepts for ZIP code 77990. Using any city not on this list may result in mail delivery delays.

City Status
Tivoli Preferred
Nearby ZIP codes
78377 Refugio (16.6 mi) 77983 Seadrift (17.5 mi)
Demographics updated 06/2026
Population
Total population 962
Population density 7 / sq mi
State FIPS 48
County FIPS 391
Geography
Land area 133.22 sq mi
Water area 33.81 sq mi
Latitude 28.4078
Longitude -96.9523
Timezone Central (CT)
Area code 361
Total population by age
Gender
Race & ethnicity
Economics updated 06/2026
Household income
Income range This ZIP County avg State avg
Under $50k 44.4% 48.6% 39.5%
$50k – $100k 46.5% 37.6% 30.1%
$100k – $200k 6.9% 12.2% 22.6%
Over $200k 2.1% 1.6% 7.8%

Demographics & statistics

962
Population
7
People per sq mi
52.1
Median age
$74,250
Median household income
$28,627
Per capita income
$89,400
Median home value
$980
Median monthly rent
87.2%
Home ownership
5.9%
Poverty rate
18.8%
Unemployment
424
Housing units
15.8%
Bachelor's or higher

Age distribution

Male Female
57
Under 5
59
2
5–9
3
27
10–14
29
35
15–19
36
2
20–24
2
31
25–34
33
43
35–44
45
69
45–54
71
49
55–59
52
50
60–64
52
86
65–74
90
9
75–84
10
10
85+
10
← Male
Female →

Age summary

GroupCount%
Under 1821422.2%
18 and over74877.8%
65 and over21522.3%
Median age52.1 years

Race & ethnicity

White 69.4%
Hispanic or Latino 14.3%
Two or more races 12.6%
Black or African American 2%
Other race 1.8%
GroupCount%
White77969.4%
Hispanic or Latino16114.3%
Two or more races14112.6%
Black or African American222%
Other race201.8%

Household income

Income range This ZIP County avg State avg
Under $50k 44.4% 48.6% 39.5%
$50k – $100k 46.5% 37.6% 30.1%
$100k – $200k 6.9% 12.2% 22.6%
Over $200k 2.1% 1.6% 7.8%
Under $10k 3.1%
$10k–$15k 4.0%
$15k–$25k 1.8%
$25k–$35k 14.1%
$35k–$50k 3.7%
$50k–$75k 23.9%
$75k–$100k 39.1%
$100k–$150k 4.3%
$150k–$200k 3.4%
$200k+ 2.8%
Range% of households
Under $10k3.1%
$10k–$15k4.0%
$15k–$25k1.8%
$25k–$35k14.1%
$35k–$50k3.7%
$50k–$75k23.9%
$75k–$100k39.1%
$100k–$150k4.3%
$150k–$200k3.4%
$200k+2.8%
Median income$74,250

Housing

Home values

Under $50k 39.6%
$50k–$100k 10.5%
$100k–$150k 16.1%
$150k–$200k 10.2%
$200k–$300k 19.6%
$300k–$500k 1.1%
$500k–$1M 1.4%
$1M+ 1.4%

Housing overview

MetricValue
Median home value$89,400
Median rent / month$980
Owner occupied87.2%
Renter occupied12.8%
Vacant29.8%
Single-family detached88.0%
Large apartment buildings0.0%
Mobile homes11.6%
Median rooms5.1
Avg household size (owned)3.04

Year built

Era%
2020 or later1.1%
2010–201917.6%
2000–20092.8%
1990–199915.0%
1980–19890.0%
1970–197927.3%
1960–19697.1%
1950–195911.4%
1940–19494.5%
1939 or earlier13.3%

Bedrooms

Size% of units
No bedroom (studio)1.5%
1 bedroom13.3%
2 bedrooms36.1%
3 bedrooms41.8%
4 bedrooms7.3%
5+ bedrooms0.0%

Vehicles per household

Vehicles% of households
No vehicle2.4%
1 vehicle43.4%
2 vehicles40.1%
3 or more14.1%

Heating fuel

Fuel type%
Electricity87.8%
Propane / LP gas9.8%

Households & families

Household typeCount%
Married-couple family17252.6%
Cohabiting couple51.5%
Male householder, no spouse4313.1%
Female householder, no spouse10732.7%
Households with children under 185516.8%
Households with seniors (65+)15748.0%
Average household size2.94

Marital status

StatusMaleFemale
Never married20.0%22.3%
Married63.4%42.0%
Separated2.3%2.3%
Widowed0.0%4.3%
Divorced14.3%29.3%

Education

Less than 9th grade 2.4%
Some HS, no diploma 8.6%
HS graduate 49.4%
Some college, no degree 17.3%
Associate's degree 6.5%
Bachelor's degree 10.1%
Graduate / professional 5.6%
Metric%
HS diploma or higher89.0%
Bachelor's or higher15.8%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool00.0%
Kindergarten00.0%
Elementary school4028.0%
High school8660.1%
College / grad school1711.9%

Employment

Industry of employment

Education & healthcare 33.0%
Agriculture & mining 19.5%
Construction 18.3%
Manufacturing 12.6%
Professional & management 5.2%
Wholesale trade 4.0%
Arts, food & hospitality 4.0%
Finance & real estate 1.4%
Public administration 1.4%
Retail trade 0.6%

Occupation

Category%
Management, business & arts36.4%
Service15.8%
Sales & office14.9%
Natural resources & construction17.2%
Production & transportation15.8%

Employment type

Type%
Private sector73.9%
Government25.5%
Self-employed0.6%
Unpaid family workers0.0%

Commute

Method%
Drive alone88.0%
Carpool10.6%
Public transit0.0%
Walk0.9%
Work from home0.6%
Other means0.0%
Avg commute (minutes)28.6

Poverty

All people 5.9%
Under 18 years 4.2%
18 and over 6.4%
Married-couple families 2.3%
Female-led households 18.5%

Income support

Source% of households
Social Security52.9%
Retirement income35.8%
Supplemental Security5.5%
Cash public assistance5.5%
Food stamps / SNAP14.1%

Health indicators

Condition%
Obesity39.8%
High blood pressure41.2%
High cholesterol41.1%
Diabetes17.5%
Heart disease9.2%
Stroke4.2%
Asthma8.9%
Arthritis27.8%
Kidney disease4.1%
Pulmonary disease8.3%
Cancer7.2%
Behavior / access%
Smoking17.7%
Binge drinking14.8%
No physical activity33.4%
Less than 7 hrs sleep33.6%
Depression20.3%
Fair or poor health24.4%
Poor mental health14.5%
Poor physical health14.5%
No health insurance36.6%
Visited doctor (checkup)73.2%
Visited dentist49.3%
Cholesterol screening90.6%
Teeth loss17.7%

Veterans & disability

VeteransCount%
Civilian veterans8411.2%
Disability%
Any disability33.3%
Under 1821.0%
18–64 years29.8%
65 and over54.0%

Health insurance coverage

Type%
Private insurance53.3%
Public insurance40.5%
No insurance13.9%
Uninsured under 194.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only84687.9%
Spanish688.0%
Other Indo-European677.9%
Asian & Pacific Islander10.1%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)89593.0%
Born in same state89593.0%
Born in different state81684.8%
Foreign born00.0%
Naturalized citizen677.0%
Not a US citizen5683.6%

Ancestry

AncestryCount%
Italian14114.7%
AncestryCount%
French404.2%

Technology access

Metric% of households
Computer access34.0%
Internet access89.3%

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

Frequently asked questions about ZIP code 77990

What city is ZIP code 77990 in?

ZIP code 77990 is primarily assigned to Tivoli, Texas.

What county is ZIP code 77990 in?

ZIP code 77990 falls within Refugio County, Texas.

Does ZIP code 77990 have a large retiree population?

53% of households in ZIP code 77990 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 77990 mostly owner-occupied?

87% of occupied units in ZIP code 77990 are owner-occupied, well above the national average.

Does ZIP code 77990 have a large veteran population?

11% of civilians in ZIP code 77990 are veterans, above the national average of ~7%.

What is the typical home value in ZIP code 77990?

The median home value in ZIP code 77990 is $89,400.

What timezone is ZIP code 77990 in?

ZIP code 77990 observes the CST timezone.

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