77623 ZIP Code — High Island, TX

Galveston County, Texas

ZIP code 77623 is located in High Island, Texas, within Galveston County. It covers approximately 14.68 square miles and serves a population of 515 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 409.

About ZIP code 77623

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Owner-occupancy is high at 96%, well above the national average.

Median household income is $64,318. The poverty rate of 3% is below the national average. 52% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with public administration as the leading industry. The average commute of 32 minutes is near the national average.

Educational attainment is near the national average, with 21% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of smoking (22%) compared to national benchmarks.

Notable community characteristics include disability rates above the national average at 31%.

Overall, ZIP code 77623 reflects a community defined by high homeownership and a significant Social Security-dependent population.

515

population

14.68

sq mi land

Standard

ZIP type

Central (CT)

timezone

77623 ZIP code map

Cities in ZIP code 77623

Below are the cities the US Postal Service accepts for ZIP code 77623. Using any city not on this list may result in mail delivery delays.

City	Status
High Island	Acceptable

Demographics updated 06/2026

Population
Total population	515
Population density	35 / sq mi
State FIPS	48
County FIPS	167

Geography
Land area	14.68 sq mi
Water area	0.51 sq mi
Latitude	29.5603
Longitude	-94.4222
Timezone	Central (CT)
Area code	409

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	32.1%	34.4%	39.5%
$50k – $100k	38.9%	27.3%	30.1%
$100k – $200k	29.0%	27.8%	22.6%
Over $200k	0.0%	10.5%	7.8%

Demographics & statistics

515

Population

People per sq mi

60.9

Median age

$64,318

Median household income

$37,266

Per capita income

Median home value

Median monthly rent

95.7%

Home ownership

3.3%

Poverty rate

0.0%

Unemployment

312

Housing units

21.1%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	32	6.2%
18 and over	483	93.8%
65 and over	173	33.6%
Median age	60.9 years

Race & ethnicity

White 99.4%

American Indian / Alaska Native 0.6%

Group	Count	%
White	512	99.4%
American Indian / Alaska Native	3	0.6%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	32.1%	34.4%	39.5%
$50k – $100k	38.9%	27.3%	30.1%
$100k – $200k	29.0%	27.8%	22.6%
Over $200k	0.0%	10.5%	7.8%

Under $10k 3.9%

$10k–$15k 1.2%

$15k–$25k 14.1%

$25k–$35k 9.4%

$35k–$50k 5.1%

$50k–$75k 22.3%

$75k–$100k 8.6%

$100k–$150k 27.0%

$150k–$200k 8.6%

Range	% of households
Under $10k	3.9%
$10k–$15k	1.2%
$15k–$25k	14.1%
$25k–$35k	9.4%
$35k–$50k	5.1%
$50k–$75k	22.3%
$75k–$100k	8.6%
$100k–$150k	27.0%
$150k–$200k	8.6%
Median income	$64,318

Housing

Home values

Under $50k 13.9%

$50k–$100k 39.6%

$100k–$150k 3.3%

$150k–$200k 9.8%

$200k–$300k 24.5%

$300k–$500k 4.1%

$500k–$1M 4.9%

Housing overview

Metric	Value
Median home value	$0
Median rent / month	$0
Owner occupied	95.7%
Renter occupied	4.3%
Vacant	20.7%
Single-family detached	82.7%
Large apartment buildings	0.0%
Mobile homes	17.3%
Median rooms	5.4
Avg household size (owned)	2.00

Year built

Era	%
2020 or later	0.0%
2010–2019	2.5%
2000–2009	29.4%
1990–1999	6.2%
1980–1989	12.1%
1970–1979	14.2%
1960–1969	17.0%
1950–1959	8.7%
1940–1949	0.0%
1939 or earlier	9.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	5.9%
2 bedrooms	20.1%
3 bedrooms	54.8%
4 bedrooms	17.0%
5+ bedrooms	2.2%

Vehicles per household

Vehicles	% of households
No vehicle	4.7%
1 vehicle	28.5%
2 vehicles	32.0%
3 or more	34.8%

Heating fuel

Fuel type	%
Electricity	89.8%
Propane / LP gas	8.6%
No fuel used	1.6%

Households & families

Household type	Count	%
Married-couple family	134	52.3%
Cohabiting couple	34	13.3%
Male householder, no spouse	32	12.5%
Female householder, no spouse	56	21.9%
Households with children under 18	26	10.2%
Households with seniors (65+)	134	52.3%
Average household size	2.01

Marital status

Status	Male	Female
Never married	23.2%	11.1%
Married	57.3%	54.9%
Separated	0.0%	0.0%
Widowed	2.1%	15.0%
Divorced	17.4%	19.0%

Education

Less than 9th grade 1.7%

Some HS, no diploma 3.4%

HS graduate 42.2%

Some college, no degree 26.5%

Associate's degree 5.0%

Bachelor's degree 7.3%

Graduate / professional 13.8%

Metric	%
HS diploma or higher	94.8%
Bachelor's or higher	21.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	14	29.2%
High school	22	45.8%
College / grad school	12	25.0%

Employment

Industry of employment

Public administration 20.6%

Education & healthcare 20.3%

Retail trade 12.6%

Professional & management 10.1%

Other services 8.7%

Agriculture & mining 8.0%

Arts, food & hospitality 6.3%

Construction 4.9%

Information 4.2%

Finance & real estate 4.2%

Occupation

Category	%
Management, business & arts	37.4%
Service	20.3%
Sales & office	18.2%
Natural resources & construction	15.0%
Production & transportation	9.1%

Employment type

Type	%
Private sector	34.3%
Government	37.8%
Self-employed	26.2%
Unpaid family workers	1.7%

Commute

Method	%
Drive alone	92.3%
Carpool	5.9%
Public transit	0.0%
Walk	0.0%
Work from home	1.7%
Other means	0.0%
Avg commute (minutes)	32.4

Poverty

All people 3.3%

Under 18 years 0.0%

18 and over 3.5%

Married-couple families 2.2%

Female-led households 0.0%

Income support

Source	% of households
Social Security	52.3%
Retirement income	23.4%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	10.2%

Health indicators

Condition	%
Obesity	37.5%
High blood pressure	43.8%
High cholesterol	40.4%
Diabetes	14.4%
Heart disease	9.6%
Stroke	4.3%
Asthma	9.7%
Arthritis	31.0%
Kidney disease	3.9%
Pulmonary disease	10.5%
Cancer	8.1%

Behavior / access	%
Smoking	22.3%
Binge drinking	16.1%
No physical activity	28.2%
Less than 7 hrs sleep	34.7%
Depression	23.4%
Fair or poor health	20.7%
Poor mental health	15.7%
Poor physical health	14.3%
No health insurance	24.2%
Visited doctor (checkup)	73.5%
Visited dentist	49.8%
Cholesterol screening	90.0%
Teeth loss	17.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	39	8.1%

Disability	%
Any disability	31.1%
Under 18	0.0%
18–64 years	26.5%
65 and over	45.1%

Health insurance coverage

Type	%
Private insurance	81.6%
Public insurance	41.7%
No insurance	5.6%
Uninsured under 19	15.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	508	98.6%
Spanish	1	0.2%
Other Indo-European	1	0.2%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	511	99.2%
Born in same state	501	97.3%
Born in different state	315	61.2%
Foreign born	10	1.9%
Naturalized citizen	4	0.8%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	111	21.6%
French	76	14.8%
Arab	32	6.2%

Ancestry	Count	%
English	12	2.3%
German	3	0.6%

Technology access

Metric	% of households
Computer access	49.7%
Internet access	92.2%

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

Frequently asked questions about ZIP code 77623

What city is ZIP code 77623 in?

ZIP code 77623 is primarily assigned to High Island, Texas.

What county is ZIP code 77623 in?

ZIP code 77623 falls within Galveston County, Texas.

Does ZIP code 77623 have an older population?

34% of residents in ZIP code 77623 are 65 or older, above the national average of ~17%.

Is ZIP code 77623 mostly owner-occupied?

96% of occupied units in ZIP code 77623 are owner-occupied, well above the national average.

Does ZIP code 77623 have a large retiree population?

52% of households in ZIP code 77623 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 77623?

ZIP code 77623 has an estimated population of 515 residents, with a density of 35 people per square mile.

What timezone is ZIP code 77623 in?

ZIP code 77623 observes the CST timezone.