Alamo, Texas Population 2021

20,346
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Alamo is a city located in Hidalgo County Texas. With a 2020 population of 20,346, it is the 138th largest city in Texas and the 1829th largest city in the United States . Alamo is currently growing at a rate of 1.08% annually and its population has increased by 10.86% since the most recent census, which recorded a population of 18,353 in 2010. Alamo reached it's highest population of 20,346 in 2021. Spanning over 8 miles, Alamo has a population density of 2,709 people per square mile.

The average household income in Alamo is $51,399 with a poverty rate of 26.84%. The median rental costs in recent years comes to $601 per month, and the median house value is $72,000. The median age in Alamo is 31.1 years, 28.3 years for males, and 32.8 years for females.

Alamo Demographics

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

  • White: 96.91%
  • Other race: 2.53%
  • Two or more races: 0.32%
  • Black or African American: 0.25%
  • Native American: 0.00%
  • Asian: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Alamo, Texas is 20,346 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 19,692.The last official US Census in 2010 recorded the population at 18,353.

Alamo, Texas Population 2021

Population by Race

Race Population Percentage
White19,00696.91%
Some Other Race4962.53%
Two or More Races620.32%
Black or African American490.25%
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Alamo Population by Race

Alamo Population Pyramid $2021

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Alamo Median Age

31.1


Total

28.3


Male

32.8


Female

Alamo Adults

There are 12,729 adults, (3,299 of whom are seniors) in Alamo.

Alamo Age Dependency

108

Age Dependency Ratio

35

Old Age Dependency Ratio

73

Child Dependency Ratio

Alamo Sex Ratio

Female

10,237

52.19%

Male

9,376

47.81%

Alamo Population by Age

Alamo Renter vs Owner Occupied by Household Type

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Alamo Household Types

Type Owner Renter
Married72.2%27.8%
Female70.7%29.3%
All70.1%29.9%
Male69.6%30.4%
Non Family62.8%37.2%

70.1%

Rate of Home Ownership

Alamo Households and Families

Type Count Average Size Owned
All5,7263.4270.1
Married3,3193.7472.2
Female1,2034.3770.7
Non Family1,0361.162.8
Male1684.6769.6

3.88

Average Family Size

3.42

Average Household Size

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Alamo Households by Type

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Education Attained Count Percentage
Less Than 9th Grade2,32721.17%
9th to 12th Grade1,68915.36%
High School Graduate3,39730.90%
Some College1,76216.03%
Associates Degree5034.58%
Bachelors Degree1,0629.66%
Graduate Degree2532.30%
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Alamo Educational Attainment by Sex (over 25)

Alamo Educational Attainment by Race

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Race Total High School Bachelors
Hispanic8,6424,820927
White2,3162,122387
Other Race347197108
2+ Races492115
Black3434

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

The highest rate of bachelors degrees is among other race people with a rate of 31.12%.

Alamo Educational Attainment by Race

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Name Average Male Female
Overall$29,769$31,499$26,004
Less Than 9th Grade$22,046$24,292$17,961
High School Graduate$26,003$36,019$22,540
Some College$38,014$40,431$35,549
Bachelors Degree$43,474$48,512$43,227
Graduate Degree$60,469$$57,500

$29,769

Average Earnings

$31,499

Average Male

$26,004

Average Female

Alamo Earnings by Educational Attainment

Alamo Language by Age

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Alamo Language

22.49% of Alamo residents speak only English, while 77.51% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 77.05% of the population.

Alamo Language

Alamo Poverty by Race

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Name Total In Poverty Poverty Rate
Hispanic16,6234,89129.42%
White2,84430910.86%
Other49514328.89%
Black493469.39%
Multiple622946.77%

26.84%

Overall Poverty Rate

28.71%

Male Poverty Rate

25.13%

Female Poverty Rate

Poverty in Alamo

The race most likely to be in poverty in Alamo is Black, with 69.39% below the poverty level.

The race least likely to be in poverty in Alamo is White, with 10.86% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 10.02%. Among those working part-time, it was 23.13%, and for those that did not work, the poverty rate was 33.84%.

Alamo Poverty

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Name Poverty
Less Than 9th Grade34.71%
High School17.49%
Some College13.86%
Bachelors or Greater7.91%

Alamo Poverty Rate by Education

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Rate Poverty
Female Unemployed60.61%
Male Unemployed38.51%
Male Employed16.24%
Female Employed10.44%

Alamo Poverty Rate by Employment Status and Sex

Alamo Income by Household Type

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Name Median Mean
Households$39,858$51,399
Families$49,436$57,293
Married Families$52,983-
Non Families$17,762$23,728
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Income by Household Type

Alamo Marital Status

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Marriage Rates

56.7%

Overall Marriage Rate

61.5%

Male Marriage Rate

52.6%

Female Marriage Rate

Alamo Married by Age and Sex

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Alamo Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

Alamo Marital Status by Race

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Alamo Marital Status

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604

Number of Veterans

522

Male Veterans

82

Female Veterans

War Veterans
Vietnam281
Korea95
World War II80
First Gulf War38
Second Gulf War21

Alamo Veterans by War

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Age Group Veterans
75+339
65 to 74164
55 to 6463
35 to 5438
18 to 34

Alamo Veterans by Age

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Name Veterans % of Total
White6044.94%
Hispanic1641.59%

Alamo Veterans by Race

Alamo Veterans by Education

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12.09%

Veteran Poverty Rate

46.85%

Veteran Disability Rate

Alamo Veterans by Education

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50.5%

Labor Force Participation

47.8%

Employment Rate

5.4%

Unemployment Rate

Alamo Employment by Age

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Alamo Employment by Race

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Alamo 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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60.62%

Born in Alamo

74.93%

Native Born

25.07%

Foreign Born

19.07%

Non Citizen

6.00%

Naturalized

Place of Birth

74.93% of Alamo residents were born in the United States, with 60.62% having been born in Texas. 19.07% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Alamo Place of Birth

Year Population Growth Annual Growth Rate
202120,3462181.08%
202020,1282181.09%
201919,9102181.11%
201819,6921390.71%
201719,553580.30%
201619,495770.40%
201519,4181750.91%
201419,2431810.95%
201319,0621460.77%
201218,9162061.10%
201118,7102521.37%
201018,4583,6982.26%
200014,7606,5506.04%
19908,2102,3793.48%
19805,8311,5403.11%
19704,2911700.41%
19604,1211,1043.17%
19503,0170.00%

Alamo Population by Year