PlainZIP

High Island, TX · standard

ZIP Code 77623

Galveston County, Texas - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

448
11/sq mi
$88,375
Median income
19.6%
Bachelor's or higher

The verdict

High Island pairs an above-median household income, in a rural, homeowner-dominated area.

Top 28%
household income, US ZIPs
11
people per sq mi
91%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 77623 against every reporting US ZIP.

ZIP code 77623 is a sparsely populated ZIP (a standard USPS delivery area) in High Island, Galveston County, Texas, home to just 448 residents across 40.7 square miles, a density of 11 people per square mile, in the Chicago time zone.

ZIP 77623 lands in the middle-income range, with a median household income of $88,375 (17% above the Texas average), while per-capita income is $37,154. Poverty here runs at 7.4%, with unemployment measured at 0.0%. On housing, the median home value is - with median rent at $566 per month, and 91.3% of occupied units are owner-occupied.

Educational attainment sits below the national norm: 19.6% of adults hold a bachelor's degree or higher, the median age is 58.3, and the average commute is -. A geography-based comparison follows: 1 ZIP codes within about 10 miles of 77623, plus 6 more within Galveston County, give a clearer read than the national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 77623, High Island, TX · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

448

Population

40.7

Area (sq mi)

11

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 77623?

58.3

Median Age

47.4%

Male

52.6%

Female

4.4%

Foreign-Born

White 97.3%
African American 0.2%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 1.2%
Hispanic or Latino 2.7%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$88,375

Median Household Income

+17% vs state

$37,154

Per Capita Income

7.4%

Poverty Rate

0.0%

Unemployment Rate

How ZIP 77623 ranks nationally

High Island, TX household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$88,375 Top 28% higher than 72% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 60.4%
Bachelor's Degree or Higher 19.6%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

307

Total Housing Units

253

Occupied Units

54

Vacant Units

2.30

Avg Household Size

Occupancy Type

Owner 91.3%
Renter 8.7%

$566

Median Rent

1973

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 5 business establishments in ZIP 77623, employing approximately 17 people with a combined annual payroll of $484,000.

5

Businesses

17

Employees

$484K

Annual Payroll

0

Industry Sectors

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 77623 vs 77617 →

ZIP Code City Population Distance
77617 Gilchrist, TX 73 7.3 mi

More ZIP Codes in Galveston County

77573 standard
League City, TX
Pop: 71,580
77546 standard
Friendswood, TX
Pop: 47,636
77539 standard
Dickinson, TX
Pop: 38,806
77590 standard
Texas City, TX
Pop: 30,374
77550 standard
Galveston, TX
Pop: 23,043
77551 standard
Galveston, TX
Pop: 17,753

Related Areas

Galveston County High Island, TX Texas

Frequently Asked Questions

What county is ZIP code 77623 in? ▼
ZIP code 77623 (High Island) is located in Galveston County, Texas. Galveston County contains multiple ZIP codes, see the full list at /counties/galveston-tx.
What is the population of ZIP code 77623? ▼
ZIP code 77623 in High Island, TX has a population of 448 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 77623? ▼
The median household income in ZIP 77623 is $88,375, which is 16% above the national average of $76,288.
What is the demographic makeup of ZIP 77623? ▼
The largest racial group in ZIP 77623 is White at 97.3%. Hispanic or Latino residents make up 2.7% of the population.
How many businesses are in ZIP code 77623? ▼
ZIP code 77623 has 5 business establishments employing approximately 17 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 77623? ▼
In ZIP code 77623, 60.4% of residents aged 25+ have a high school diploma or higher, and 19.6% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 77623? ▼
In ZIP code 77623, approximately 91.3% of occupied housing units are owner-occupied and 8.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 77623? ▼
The poverty rate in ZIP code 77623 is 7.4% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.