Port Isabel, Texas Population 2021

6,214
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Port Isabel is a city located in Cameron County Texas. With a 2020 population of 6,214, it is the 320th largest city in Texas and the 4233rd largest city in the United States . Port Isabel is currently declining at a rate of -0.34% annually but its population has increased by 24.13% since the most recent census, which recorded a population of 5,006 in 2010. Port Isabel reached it's highest population of 6,402 in 2011. Spanning over 14 miles, Port Isabel has a population density of 916 people per square mile.

The average household income in Port Isabel is $48,206 with a poverty rate of 27.15%. The median rental costs in recent years comes to $724 per month, and the median house value is $108,500. The median age in Port Isabel is 41.7 years, 42.3 years for males, and 40.9 years for females.

Port Isabel Demographics

According to the most recent ACS, the racial composition of Port Isabel was:

  • White: 97.74%
  • Asian: 1.11%
  • Other race: 0.60%
  • Two or more races: 0.37%
  • Native American: 0.17%
  • Black or African American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Port Isabel, Texas is 6,214 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 6,277.The last official US Census in 2010 recorded the population at 5,006.

Port Isabel, Texas Population 2021

Population by Race

Race Population Percentage
White6,15097.74%
Asian701.11%
Some Other Race380.60%
Two or More Races230.37%
American Indian and Alaska Native110.17%
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Port Isabel Population by Race

Port Isabel Population Pyramid $2021

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Port Isabel Median Age

41.7


Total

42.3


Male

40.9


Female

Port Isabel Adults

There are 4,844 adults, (1,316 of whom are seniors) in Port Isabel.

Port Isabel Age Dependency

78.3

Age Dependency Ratio

37.3

Old Age Dependency Ratio

41

Child Dependency Ratio

Port Isabel Sex Ratio

Female

3,422

54.39%

Male

2,870

45.61%

Port Isabel Population by Age

Port Isabel Renter vs Owner Occupied by Household Type

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Port Isabel Household Types

Type Owner Renter
Married76.2%23.8%
All64.7%35.3%
Non Family61.1%38.9%
Female53.5%46.5%
Male21.8%78.2%

64.7%

Rate of Home Ownership

Port Isabel Households and Families

Type Count Average Size Owned
All2,2072.8564.7
Married9613.5276.2
Non Family7501.1961.1
Female4094.2953.5
Male872.9421.8

3.67

Average Family Size

2.85

Average Household Size

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Port Isabel Households by Type

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Education Attained Count Percentage
Less Than 9th Grade67215.10%
9th to 12th Grade65414.69%
High School Graduate1,75239.36%
Some College62614.06%
Associates Degree2154.83%
Bachelors Degree4419.91%
Graduate Degree912.04%
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Port Isabel Educational Attainment by Sex (over 25)

Port Isabel Educational Attainment by Race

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Race Total High School Bachelors
Hispanic3,3422,124234
White1,071963298
Asian3838
Other Race252512
Native American11
2+ Races88

The highest rate of high school graduation is among asian people with a rate of 100.00%.

The highest rate of bachelors degrees is among other race people with a rate of 48.00%.

Port Isabel Educational Attainment by Race

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Name Average Male Female
Overall$28,268$34,949$20,704
Less Than 9th Grade$25,645$27,118$18,833
High School Graduate$24,844$33,189$16,768
Some College$32,072$34,550$25,089
Bachelors Degree$53,005$$
Graduate Degree$$$

$28,268

Average Earnings

$34,949

Average Male

$20,704

Average Female

Port Isabel Earnings by Educational Attainment

Port Isabel Language by Age

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Port Isabel Language

43.07% of Port Isabel residents speak only English, while 56.93% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 55.75% of the population.

Port Isabel Language

Port Isabel Poverty by Race

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Name Total In Poverty Poverty Rate
Hispanic5,0961,47328.91%
White1,12623520.87%
Multiple2323100.00%

27.15%

Overall Poverty Rate

24.01%

Male Poverty Rate

29.78%

Female Poverty Rate

Poverty in Port Isabel

The race most likely to be in poverty in Port Isabel is Multiple, with 100.00% below the poverty level.

The race least likely to be in poverty in Port Isabel is White, with 20.87% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.75%. Among those working part-time, it was 34.26%, and for those that did not work, the poverty rate was 33.10%.

Port Isabel Poverty

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Name Poverty
Less Than 9th Grade28.81%
Some College21.05%
Bachelors or Greater18.80%
High School16.67%

Port Isabel Poverty Rate by Education

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Rate Poverty
Female Unemployed45.83%
Female Employed13.77%
Male Unemployed0.00%
Male Employed8.41%

Port Isabel Poverty Rate by Employment Status and Sex

Port Isabel Income by Household Type

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Name Median Mean
Households$32,598$48,206
Families$45,229$55,417
Married Families$54,592-
Non Families$14,719$33,642
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Income by Household Type

Port Isabel Marital Status

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Marriage Rates

52.0%

Overall Marriage Rate

57.4%

Male Marriage Rate

47.3%

Female Marriage Rate

Port Isabel Married by Age and Sex

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Port Isabel Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.

Port Isabel Marital Status by Race

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Port Isabel Marital Status

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398

Number of Veterans

398

Male Veterans

Female Veterans

War Veterans
Vietnam203
Korea32
Second Gulf War15
World War II11
First Gulf War

Port Isabel Veterans by War

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Age Group Veterans
75+159
65 to 74149
55 to 6457
35 to 5418
18 to 3415

Port Isabel Veterans by Age

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Name Veterans % of Total
White3988.41%
Hispanic1243.40%

Port Isabel Veterans by Race

Port Isabel Veterans by Education

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15.33%

Veteran Poverty Rate

34.17%

Veteran Disability Rate

Port Isabel Veterans by Education

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50.1%

Labor Force Participation

49.6%

Employment Rate

1%

Unemployment Rate

Port Isabel Employment by Age

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Port Isabel Employment by Race

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Port Isabel Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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56.72%

Born in Port Isabel

72.20%

Native Born

27.80%

Foreign Born

24.49%

Non Citizen

3.31%

Naturalized

Place of Birth

72.20% of Port Isabel residents were born in the United States, with 56.72% having been born in Texas. 24.49% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Port Isabel Place of Birth

Year Population Growth Annual Growth Rate
20216,214-21-0.34%
20206,235-21-0.34%
20196,256-21-0.33%
20186,277-29-0.46%
20176,306-19-0.30%
20166,32580.13%
20156,317-25-0.39%
20146,342-27-0.42%
20136,369-28-0.44%
20126,397-5-0.08%
20116,402390.61%
20106,3631,4982.72%
20004,8653980.86%
19904,4676981.71%
19803,7697022.08%
19703,067-508-1.52%
19603,5750.00%

Port Isabel Population by Year