State
County
Land Area (mi²)
12.6 sq mi
Density (mi²)
3,014.70/sq mi
2020 Growth Rate
-0.29% (-109)
Growth Since 2010
6.29% (2,255)
Rank in State
Rank in Country
Martinez, California Population 2021
38,079
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 38,079, it is the 212th largest city in California and the 1032nd largest city in the United States . Martinez is currently declining at a rate of -0.29% annually but its population has increased by 6.29% since the most recent census, which recorded a population of 35,824 in 2010. Martinez reached it's highest population of in . Spanning over 14 miles, Martinez has a population density of 3,015 people per square mile.
The average household income in Martinez is $128,788 with a poverty rate of 5.13%. The median rental costs in recent years comes to $1,728 per month, and the median house value is $596,400. 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: 75.40%
- Asian: 8.79%
- Two or more races: 7.00%
- Other race: 5.16%
- Black or African American: 3.38%
- Native American: 0.27%
- Native Hawaiian or Pacific Islander: 0.00%
The current population of Martinez, California is 38,079 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 38,297.The last official US Census in 2010 recorded the population at 35,824.
Martinez, California Population 2021
| Race | Population | Percentage |
|---|---|---|
| White | 28,869 | 75.40% |
| Asian | 3,367 | 8.79% |
| Two or More Races | 2,680 | 7.00% |
| Some Other Race | 1,974 | 5.16% |
| Black or African American | 1,296 | 3.38% |
| American Indian and Alaska Native | 104 | 0.27% |
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Martinez Population by Race
Martinez Population Pyramid $2021
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Martinez Population by Age
Martinez Households and Families
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 14,723 | 2.56 | 67.3 |
| Married | 7,496 | 3.26 | 78 |
| Non Family | 5,106 | 1.31 | 59.1 |
| Female | 1,719 | 3.11 | 47.8 |
| Male | 402 | 3.2 | 52.5 |
3.12
Average Family Size
2.56
Average Household Size
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Martinez Households by Type
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| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 571 | 2.08% |
| 9th to 12th Grade | 595 | 2.17% |
| High School Graduate | 5,125 | 18.66% |
| Some College | 6,668 | 24.28% |
| Associates Degree | 3,095 | 11.27% |
| Bachelors Degree | 7,481 | 27.24% |
| Graduate Degree | 3,933 | 14.32% |
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Martinez Educational Attainment by Sex (over 25)
Martinez Educational Attainment by Race
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| Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 19,178 | 18,708 | 8,167 |
| Hispanic | 3,682 | 3,223 | 1,059 |
| Asian | 2,552 | 2,457 | 1,514 |
| 2+ Races | 1,464 | 1,371 | 542 |
| Other Race | 1,176 | 905 | 163 |
| Black | 973 | 902 | 313 |
| Native American | 89 | 83 | 45 |
The highest rate of high school graduation is among white people with a rate of 97.55%.
The highest rate of bachelors degrees is among asian people with a rate of 59.33%.
Martinez Educational Attainment by Race
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$63,549
Average Earnings
$74,310
Average Male
$54,178
Average Female
Martinez Earnings by Educational Attainment
Martinez Language by Age
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Martinez Language
82.78% of Martinez residents speak only English, while 17.22% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 7.32% of the population.
Martinez Language
Martinez Poverty by Race
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| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 25,178 | 1,052 | 4.18% |
| Hispanic | 6,258 | 290 | 4.63% |
| Other | 1,923 | 287 | 14.92% |
| Multiple | 2,617 | 228 | 8.71% |
| Black | 1,152 | 177 | 15.36% |
| Asian | 3,334 | 128 | 3.84% |
5.13%
Overall Poverty Rate
6.25%
Male Poverty Rate
4.07%
Female Poverty Rate
Poverty in Martinez
The race most likely to be in poverty in Martinez is Black, with 15.36% below the poverty level.
The race least likely to be in poverty in Martinez is Asian, with 3.84% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.39%. Among those working part-time, it was 8.10%, and for those that did not work, the poverty rate was 9.83%.
Martinez Poverty
Martinez Poverty Rate by Education
Martinez Marital Status
Marriage Rates
50.5%
Overall Marriage Rate
52.6%
Male Marriage Rate
48.5%
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 55-64, while the female age group most likely to be married is 45-54.
Martinez Marital Status by Race
Martinez Marital Status
Martinez Veterans by War
Martinez Veterans by Age
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| Name | Veterans | % of Total |
|---|---|---|
| White | 1,742 | 7.42% |
| Hispanic | 232 | 5.33% |
| Black | 153 | 14.67% |
| Other Race | 65 | 4.36% |
| Asian | 53 | 1.87% |
| 2+ Races | 50 | 2.80% |
| Native American | 14 | 15.22% |
Martinez Veterans by Race
Martinez Veterans by Education
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6.28%
Veteran Poverty Rate
27.11%
Veteran Disability Rate
Martinez Veterans by Education
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68.4%
Labor Force Participation
65.7%
Employment Rate
3.9%
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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67.77%
Born in Martinez
87.76%
Native Born
12.24%
Foreign Born
3.94%
Non Citizen
8.31%
Naturalized
Place of Birth
87.76% of Martinez residents were born in the United States, with 67.77% having been born in California. 3.94% 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: 2020 and 2021 data is projected
| Year | Population | Growth | Annual Growth Rate |
|---|---|---|---|
| 2021 | 38,079 | -109 | -0.29% |
| 2020 | 38,188 | -109 | -0.28% |
| 2019 | 38,297 | -109 | -0.28% |
| 2018 | 38,406 | -5 | -0.01% |
| 2017 | 38,411 | 86 | 0.22% |
| 2016 | 38,325 | 275 | 0.72% |
| 2015 | 38,050 | 577 | 1.54% |
| 2014 | 37,473 | 354 | 0.95% |
| 2013 | 37,119 | 294 | 0.80% |
| 2012 | 36,825 | 323 | 0.88% |
| 2011 | 36,502 | 345 | 0.95% |
| 2010 | 36,157 | 291 | 0.08% |
| 2000 | 35,866 | 4,058 | 1.21% |
| 1990 | 31,808 | 9,226 | 3.48% |
| 1980 | 22,582 | 6,076 | 3.18% |
| 1970 | 16,506 | 6,902 | 5.56% |
| 1960 | 9,604 | 1,336 | 1.51% |
| 1950 | 8,268 | 887 | 1.14% |
| 1940 | 7,381 | 812 | 1.17% |
| 1930 | 6,569 | 2,711 | 5.47% |
| 1920 | 3,858 | 1,743 | 6.20% |
| 1910 | 2,115 | 735 | 4.36% |
| 1900 | 1,380 | -220 | -1.47% |
| 1890 | 1,600 | 1,040 | 5.39% |
| 1870 | 560 | 0.00% |