San Luis, Arizona Population 2020

34,398
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San Luis is a city located in Arizona. With a 2020 population of 34,398, it is the 28th largest city in Arizona and the 1141st largest city in the United States. San Luis is currently growing at a rate of 1.34% annually and its population has increased by 34.87% since the most recent census, which recorded a population of 25,505 in 2010. Spanning over 34 miles, San Luis has a population density of 1,009 people per square mile.

The average household income in San Luis is $47,758 with a poverty rate of 27.43%. The median rental costs in recent years comes to $697 per month, and the median house value is $115,500. The median age in San Luis is 28.6 years, 27.2 years for males, and 30.7 years for females. For every 100 females there are 119.3 males.

San Luis Demographics

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

  • White: 75.44%
  • Other race: 23.47%
  • Black or African American: 0.46%
  • Two or more races: 0.35%
  • Native American: 0.21%
  • Native Hawaiian or Pacific Islander: 0.07%
  • Asian: 0.00%
The current population of San Luis, Arizona is 34,398, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 33,490.The last official US Census in 2010 recorded the population at 25,505.

San Luis, Arizona Population 2020

Population by Race

Race Population Percentage
White24,35175.44%
Some Other Race7,57723.47%
Black or African American1490.46%
Two or More Races1120.35%
American Indian and Alaska Native690.21%
Native Hawaiian and Other Pacific Islander210.07%
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San Luis Population Pyramid 2020

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San Luis Median Age

28.6


Total

27.2


Male

30.7


Female

San Luis Adults

There are 22,410 adults, (2,314 of whom are seniors) in San Luis.

San Luis Age Dependency

60.6

Age Dependency Ratio

11.5

Old Age Dependency Ratio

49.1

Child Dependency Ratio

San Luis Sex Ratio

Female

14,716

45.59%

Male

17,563

54.41%

San Luis Households and Families

San Luis Renter vs Owner Occupied by Household Type

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San Luis Household Types

Type Owner Renter
Married72.5%27.5%
All67.2%32.8%
Female58.5%41.5%
Non Family55.2%44.8%
Male52.2%47.8%

67.2%

Rate of Home Ownership

Type Count Average Size Owned
All8,1163.7567.2
Married5,4204.1872.5
Female1,5293.3958.5
Non Family7071.1255.2
Male4603.9352.2

3.96

Average Family Size

3.75

Average Household Size

2.2%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

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San Luis Education

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Education Attained Count Percentage
Less Than 9th Grade5,62331.22%
9th to 12th Grade4,09622.74%
High School Graduate2,92116.22%
Some College3,26318.12%
Associates Degree6313.50%
Bachelors Degree1,1526.40%
Graduate Degree3251.80%
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San Luis Educational Attainment by Race

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Name Total High School Bachelors
Hispanic17,1407,6001,391
Other Race4,2082,433444
White67457174
Black12441
Multiple Races766812
Native American3021
Islander2121

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

The highest rate of bachelors degrees is among multiple races people with a rate of 15.79%.

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Name Average Male Female
Overall$18,345$23,343$14,772
Less Than High School$15,199$17,421$11,707
High School Grad$23,107$25,532$15,960
Some College$25,969$29,925$16,582
Bachelors Degree$31,921$32,845$28,092
Graduate Degree$41,622$61,228$37,011

$18,345

Average Earnings

$23,343

Average Male

$14,772

Average Female

San Luis Language

San Luis Language by Age

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San Luis Language

7.57% of San Luis residents speak only English, while 92.43% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 92.25% of the population.

San Luis Poverty

San Luis Poverty by Race

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Name Total In Poverty Poverty Rate
Hispanic30,3198,34127.51%
Other7,2891,86925.64%
White75810.67%
Multiple7611.32%

27.43%

Overall Poverty Rate

24.74%

Male Poverty Rate

30.33%

Female Poverty Rate

Poverty in San Luis

The race most likely to be in poverty in San Luis is Hispanic, with 27.51% below the poverty level.

The race least likely to be in poverty in San Luis is Multiple, with 1.32% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 9.00%. Among those working part-time, it was 26.58%, and for those that did not work, the poverty rate was 34.46%.

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Name Poverty
Less Than High School27.96%
Some College18.60%
High School12.98%
Bachelors or Greater8.03%
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Name Poverty
Female Unemployed31.07%
Female Employed19.45%
Male Unemployed19.18%
Male Employed14.29%

San Luis Income

San Luis Income by Household Type

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Name Median Mean
Households$34,122$47,758
Families$35,120$49,541
Married Families$39,577-
Non Families$16,195$22,899
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San Luis Marital Status

San Luis Marital Status

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Marriage Rates

54.0%

Overall Marriage Rate

52.0%

Male Marriage Rate

56.6%

Female Marriage Rate

San Luis Married by Age and Sex

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San Luis Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

San Luis Marital Status by Race

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San Luis Veterans

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464

Number of Veterans

448

Male Veterans

16

Female Veterans

War Veterans
Second Gulf War260
First Gulf War84
Vietnam83
World War II
Korea
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Age Group Veterans
18 to 34260
35 to 54100
65 to 7447
55 to 6438
75+19
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Name Veterans % of Total
White4102.42%
Hispanic3271.53%
Other541.04%

San Luis Veterans by Education

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0.00%

Veteran Poverty Rate

15.34%

Veteran Disability Rate

San Luis Employment Status

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56.8%

Labor Force Participation

48.9%

Employment Rate

13.9%

Unemployment Rate

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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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37.78%

Born in Arizona

50.22%

Native Born

49.78%

Foreign Born

30.96%

Non Citizen

18.82%

Naturalized

Place of Birth

50.22% of San Luis residents were born in the United States, with 37.78% having been born in Arizona. 30.96% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Year Population Growth Annual Growth Rate
202034,3984541.34%
201933,9444541.36%
201833,4907392.26%
201732,7514541.41%
201632,2975661.78%
201531,7315501.76%
201431,1815891.93%
201330,5923081.02%
201230,284-114-0.38%
201130,3981,9856.99%
201028,41313,0916.37%
200015,32211,11013.78%
19904,2120.00%