Martinez, California Population 2022

37,579
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Martinez is a city located in Contra Costa County California. It is also the county seat of Contra Costa County. With a 2020 population of 37,579, it is the 229th largest city in California and the 1191st largest city in the United States. Martinez is currently growing at a rate of 0.39% annually but its population has decreased by -2.13% since the most recent census, which recorded a population of 38,397 in 2020. Spanning over 14 miles, Martinez has a population density of 2,975 people per square mile.

The average household income in Martinez is $128,788 with a poverty rate of 5.51%. The median rental costs in recent years comes to $1,854 per month, and the median house value is $622,800. The median age in Martinez is 42.6 years, 40.6 years for males, and 44.9 years for females.

Martinez Demographics

According to the most recent ACS, the racial composition of Martinezwas:

  • White: 71.21%
  • Two or more races: 11.08%
  • Asian: 9.35%
  • Other race: 4.14%
  • Black or African American: 3.54%
  • Native American: 0.67%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Martinez, California is 37,579 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 38,397.

Martinez, California Population 2022

Population by Race

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Martinez Population by Race

Martinez Population Pyramid 2022

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Martinez Median Age

42.2


Total

39.8


Male

43.8


Female

Martinez Adults

There are 30,562 adults, (6,306 of whom are seniors) in Martinez.

Martinez Age Dependency

Age Dependency Ratio

26

Old Age Dependency Ratio

32.3

Child Dependency Ratio

Martinez Sex Ratio

Female

19,654

51.19%

Male

18,743

48.81%

Martinez Population by Age

Martinez Renter vs Owner Occupied by Household Type

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Martinez Household Types

69.6%

Rate of Home Ownership

Martinez Households and Families

3.06

Average Family Size

2.55

Average Household Size

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Martinez Households by Type

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Martinez Educational Attainment by Sex (over 25)

Martinez Educational Attainment by Race

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The highest rate of high school graduation is among white people with a rate of 97.60%.

The highest rate of bachelors degrees is among asian people with a rate of 59.68%.

Martinez Educational Attainment by Race

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$68,043

Average Earnings

$81,350

Average Male

$56,625

Average Female

Martinez Earnings by Educational Attainment

Martinez Language by Age

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Martinez Language

83.42% of Martinez residents speak only English, while 16.58% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 7.24% of the population.

Martinez Language

Martinez Poverty by Race

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5.51%

Overall Poverty Rate

5.84%

Male Poverty Rate

5.19%

Female Poverty Rate

Poverty in Martinez

The race most likely to be in poverty in Martinez is Black, with 17.00% below the poverty level.

The race least likely to be in poverty in Martinez is Hispanic, with 3.41% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.27%. Among those working part-time, it was 9.70%, and for those that did not work, the poverty rate was 11.05%.

Martinez Poverty

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Martinez Poverty Rate by Education

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Martinez Poverty Rate by Employment Status and Sex

Martinez Income by Household Type

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Income by Household Type

Martinez Marital Status

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Marriage Rates

52.0%

Overall Marriage Rate

54.1%

Male Marriage Rate

50.1%

Female Marriage Rate

Martinez Married by Age and Sex

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Martinez 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 45-54.

Martinez Marital Status by Race

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Martinez Marital Status

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2,294

Number of Veterans

Male Veterans

Female Veterans

Martinez Veterans by War

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Martinez Veterans by Age

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Martinez Veterans by Race

Martinez Veterans by Education

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7.85%

Veteran Poverty Rate

29.46%

Veteran Disability Rate

Martinez Veterans by Education

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68.4%

Labor Force Participation

65.2%

Employment Rate

4.6%

Unemployment Rate

Martinez Employment by Age

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Martinez Employment by Race

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Martinez 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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68.34%

Born in Martinez

88.16%

Native Born

11.84%

Foreign Born

2.93%

Non Citizen

8.91%

Naturalized

Place of Birth

88.16% of Martinez residents were born in the United States, with 68.34% having been born in California. 2.93% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Martinez Place of Birth

Note: 2021 and 2022 data is projected

Martinez Population by Year