Martinez

37,287

Total Population in 2020

In 2020, Martinez was home to 37,287 people. Residents were predominantly working age, while those under 18 were a larger segment of the community than those 65 and older. The population was a majority white, with more women than men.

Most Populous Demographics

Category	Demographic	Total	Percentage
Age	18-64	23,280	62%
Sex	Female	19,113	51%
Race and Hispanic or Latino	White (Not Hispanic or Latino)	22,558	61%

Age

42.9

Median Age

In 2020, Martinez's population was a majority working-age adults, while those under age 18 were a moderately larger share of the community than those 65 and older. Looking at 10-year age ranges, 50-59 was the largest group.

Population by Age Range

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Population by Age Group

7,180

Under 18

23,280

18-64

6,827

65 and over

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Table: Population by Age Range

Age Range	Population in Martinez
Age Range	Total	Percentage
0-9	3,950	11%
10-19	3,968	11%
20-29	3,946	11%
30-39	5,308	14%
40-49	4,776	13%
50-59	5,601	15%
60-69	5,359	14%
70-79	3,092	8%
80+	1,287	3%

Table: Population by Age Group

Age Group	Population in Martinez
Age Group	Total	Percentage
Under 18	7,180	19%
18-64	23,280	62%
65 and over	6,827	18%

* For both charts above, the data is collected from the U.S. Census Bureau Decennial Data 2020, Demographic and Housing Characteristics File (DHC), P12 Sex by Age for Selected Age Categories.

Sex and Age

In 2020, females outnumbered males by a moderate amount in Martinez. Females 50-59 were the largest group by age, followed by females 60-69 and females 30-39. The biggest gap was in the 60-69 age group, where females were the larger share.

Population by Sex

18,174

Male

19,113

Female

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Population by Sex and Age

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Male

Female

Table: Population by Sex

Sex	Martinez
Sex	Total	Percentage
Male	18,174	49%
Female	19,113	51%

Table: Population by Sex and Age

Sex and Age	Martinez
Sex and Age	Total	Percentage
Male	18,174	49%
Male: 0-9	1,987	5%
Male: 10-19	2,083	6%
Male: 20-29	2,068	6%
Male: 30-39	2,628	7%
Male: 40-49	2,355	6%
Male: 50-59	2,630	7%
Male: 60-69	2,460	7%
Male: 70-79	1,423	4%
Male: 80+	540	1%
Female	19,113	51%
Female: 0-9	1,963	5%
Female: 10-19	1,885	5%
Female: 20-29	1,878	5%
Female: 30-39	2,680	7%
Female: 40-49	2,421	6%
Female: 50-59	2,971	8%
Female: 60-69	2,899	8%
Female: 70-79	1,669	4%
Female: 80+	747	2%

* For both charts above, the data is collected from the U.S. Census Bureau Decennial Data 2020, Demographic and Housing Characteristics File (DHC), P12 Sex by Age for Selected Age Categories.

Race and Hispanic or Latino

61%

White (Not Hispanic or Latino)

In 2020, Martinez had a majority white population. Hispanic residents also made up a notable segment of the community, while Asian and other/multiracial people were the next largest groups.

Population by Race and Hispanic or Latino

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Table: Population by Race and Hispanic or Latino

Race and Hispanic or Latino	Population in Martinez
Race and Hispanic or Latino	Total	Percentage
White	22,558	61%
Black or African American	1,314	4%
American Indian / Alaska Native	92	<1%
Asian	3,746	10%
Native Hawaiian / Pacific Islander	106	<1%
Other / Multi-racial	2,801	8%
Hispanic or Latino (any race)	6,670	18%

* Categorized as Not Hispanic. This means that all the racial groups marked with an asterisk — White, Black or African American, American Indian / Alaska Native, Asian, Native Hawaiian / Pacific Islander, and Other / Multi-racial — do not include individuals who identify as Hispanic or Latino. The "Hispanic or Latino (any race)" category is separate, as Hispanic/Latino is considered an ethnicity rather than a racial category. For the chart above, the data is collected from the U.S. Census Bureau Decennial Data 2020, Demographic and Housing Characteristics File (DHC), P5 Hispanic or Latino Origin by Race.