Martin County, Florida Population 2021

Martin County, Florida's estimated population is 161,516 with a growth rate of 0.16% in the past year according to the most recent United States census data. Martin County, Florida is the 32nd largest county in Florida. The 2010 Population was 146,909 and has seen a growth of 9.94% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
2021161,5162580.16%
2020161,2582580.16%
2019161,0002580.16%
2018160,7421,0410.65%
2017159,7011,3760.87%
2016158,3252,7661.78%
2015155,5592,4401.59%
2014153,1191,9931.32%
2013151,1262,1451.44%
2012148,9811,1100.75%
2011147,8719620.65%
2010146,90946,00945.60%
1990100,90036,88657.62%
198064,01435,979128.34%
197028,03511,10365.57%
196016,9329,125116.88%
19507,8071,51224.02%
19406,2951,18423.17%
19305,1110.00%
2021 Growth Rate
0.16%
County Website
State
Founded
May 30, 1925
County Seat
2010 Population
146,909
Growth Since 2010
9.94%
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Martin County, Florida Population Growth

Population by Race

Race Population Percentage
White140,11088.08%
Black or African American9,0065.66%
Some Other Race3,9562.49%
Two or More Races2,6601.67%
Asian2,2261.40%
American Indian and Alaska Native9660.61%
Native Hawaiian and Other Pacific Islander1410.09%
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Martin County, Florida Population by Race

Martin County, Florida Population Pyramid $2021

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Martin County, Florida Median Age

52.2


Total

50.4


Male

54


Female

Martin County, Florida Adults

There are 132,790 adults, (48,674 of whom are seniors) in Martin County, Florida.

Martin County, Florida Age Dependency

89.1

Age Dependency Ratio

57.9

Old Age Dependency Ratio

31.2

Child Dependency Ratio

Martin County, Florida Sex Ratio

Female

80,358

50.52%

Male

78,707

49.48%

Martin County, Florida Population by Age

Martin County, Florida Renter vs Owner Occupied by Household Type

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Martin County, Florida Household Types

Type Owner Renter
Married87.9%12.1%
All78%22%
Non Family72%28%
Female59.2%40.8%
Male51.3%48.7%

78.0%

Rate of Home Ownership

Martin County, Florida Households and Families

Type Count Average Size Owned
All64,5282.478
Married31,7322.9587.9
Non Family25,0671.2572
Female5,6533.9959.2
Male2,0763.6551.3

3.07

Average Family Size

2.4

Average Household Size

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Martin County, Florida Households by Type

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Education Attained Count Percentage
Less Than 9th Grade4,1543.39%
9th to 12th Grade6,9295.65%
High School Graduate30,51324.88%
Some College27,66522.56%
Associates Degree11,5749.44%
Bachelors Degree26,66921.75%
Graduate Degree15,12612.33%
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Martin County, Florida Educational Attainment by Sex (over 25)

Martin County, Florida Educational Attainment by Race

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Race Total High School Bachelors
White102,42396,60137,548
Hispanic12,0878,3922,552
Black5,6764,266584
Other Race2,2361,169236
Asian1,4351,280755
2+ Races1,224953312
Native American54531156
Islander11911963

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 islander people with a rate of 52.94%.

Martin County, Florida Educational Attainment by Race

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Name Average Male Female
Overall$38,055$44,086$31,632
Less Than 9th Grade$22,117$27,214$17,147
High School Graduate$26,802$30,954$22,105
Some College$36,408$46,453$29,839
Bachelors Degree$49,843$61,933$43,102
Graduate Degree$66,897$93,238$52,701

$38,055

Average Earnings

$44,086

Average Male

$31,632

Average Female

Martin County, Florida Earnings by Educational Attainment

Martin County, Florida Language by Age

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Martin County, Florida Language

86.60% of Martin County, Florida residents speak only English, while 13.40% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 9.77% of the population.

Martin County, Florida Language

Martin County, Florida Poverty by Race

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Name Total In Poverty Poverty Rate
White122,7349,1667.47%
Hispanic21,3123,94418.51%
Black8,0002,18827.35%
Other3,9231,01725.92%
Multiple2,51247518.91%
Asian2,2181818.16%
Native95817017.75%

9.86%

Overall Poverty Rate

8.73%

Male Poverty Rate

10.94%

Female Poverty Rate

Poverty in Martin County, Florida

The race most likely to be in poverty in Martin County, Florida is Black, with 27.35% below the poverty level.

The race least likely to be in poverty in Martin County, Florida is White, with 7.47% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.85%. Among those working part-time, it was 10.94%, and for those that did not work, the poverty rate was 13.57%.

Martin County, Florida Poverty

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Name Poverty
Less Than 9th Grade21.28%
High School10.59%
Some College9.14%
Bachelors or Greater4.19%

Martin County, Florida Poverty Rate by Education

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Rate Poverty
Female Unemployed35.28%
Male Unemployed29.36%
Female Employed4.86%
Male Employed3.28%

Martin County, Florida Poverty Rate by Employment Status and Sex

Martin County, Florida Income by Household Type

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Name Median Mean
Households$61,133$98,131
Families$79,182$118,140
Married Families$90,821$133,416
Non Families$37,502$65,011
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Income by Household Type

Martin County, Florida Marital Status

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Marriage Rates

49.3%

Overall Marriage Rate

51.3%

Male Marriage Rate

47.3%

Female Marriage Rate

Martin County, Florida Married by Age and Sex

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Martin County, Florida 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.

Martin County, Florida Marital Status by Race

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Martin County, Florida Marital Status

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14,534

Number of Veterans

13,779

Male Veterans

755

Female Veterans

War Veterans
Vietnam5,257
Korea1,920
First Gulf War1,707
Second Gulf War1,533
World War II1,392

Martin County, Florida Veterans by War

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Age Group Veterans
75+5,988
65 to 744,165
35 to 542,155
55 to 641,665
18 to 34561

Martin County, Florida Veterans by Age

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Name Veterans % of Total
White13,92311.71%
Black3815.69%
Hispanic3552.49%
2+ Races1207.97%
Other Race702.57%
Native American223.08%
Asian181.03%

Martin County, Florida Veterans by Race

Martin County, Florida Veterans by Education

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5.86%

Veteran Poverty Rate

28.61%

Veteran Disability Rate

Martin County, Florida Veterans by Education

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51.1%

Labor Force Participation

48.5%

Employment Rate

4.5%

Unemployment Rate

Martin County, Florida Employment by Age

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Martin County, Florida Employment by Race

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Martin County, Florida 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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30.63%

Born in Martin County, Florida

90.00%

Native Born

10.00%

Foreign Born

4.73%

Non Citizen

5.27%

Naturalized

Place of Birth

90.00% of Martin County, Florida residents were born in the United States, with 30.63% having been born in Florida. 4.73% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Martin County, Florida Place of Birth

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources