Martin County, Florida Population and Demographics

In this article, we'll explore the population statistics for Martin County, Florida, including popular demographics data like median age, number of households, household income, gender, employment and unemployment rates, occupations, religion, and more.

We are using the latest American Community Survey (ACS) 5-Year survey data from the US Census Bureau, which is accurate up to 2021.

Table of Contents

Population

There is a lot of data that lets us see how many people live in Martin County, Florida. The most basic data is the total population, which is the total number of people living in Martin County, Florida. The estimated population of Martin County, Florida is 158,323 people, with a median age of 52.9.

We can look at the total population in Martin County over the last 5 years to see how much it has changed.

Year Population Change 5-Year Change
2021
158,323
-1.31% +1.67%
2020
160,420
+0.85%
-
2019
159,065
+0.94%
-
2018
157,581
+1.2%
-
2017
155,719
- -

Population of Martin County, Florida by Race and Ethnicity

We can also look at how the population has changed over the last 5 years by each of the race/ethnicity types as defined by the US Census Bureau.

Race 2021 2017 Change
White
77.2%
79%
-2.28%
Black/African American
5.3%
5.4%
-1.85%
Native
0.1%
0.2%
-50.00%
Hispanic
14.1%
13.2%
+6.82%
Asian
1.5%
1.3%
+15.38%
Hawaiian/Pacific Islander
0%
0.1%
-100.00%
Two Or More Races
1.6%
0.8%
+100.00%
Other
0.2%
0.1%
+100.00%

This data can be very important for a number of reasons, including social and economic research, planning and development, and marketing to a multi-cultural population.

Note that the Native group includes both Native American and Alaskan Native people.

Population of Martin County, Florida by Age and Gender

The age and gender of a population is another interesting demographic statistic because it lets us track trends in the population over time. For example, we can see how the population has changed over the last 5 years by median age as a total, and also by male and female.

Year Total Male Female
2021 52.9 +0.38% 51 +0.39% 54.4 -0.18%
2020 52.7 +0.96% 50.8 +0.79% 54.5 +0.93%
2019 52.2 +0.58% 50.4 +0.8% 54 +0.93%
2018 51.9 +0.58% 50 +0.6% 53.5 +0.38%
2017 51.6 - 49.7 - 53.3 -

The median age of Martin County, Florida gives you an idea of the age distribution, with half of the population being older than the median age and half being younger.

This can then be used to infer and compare against birth rates, parent ages, and more metrics to understand the population. For example, an increasing median age indicates an aging population, which can be a sign of a declining population in terms of birth rates and workforce participation.

Age 2021 2017
(Years) Male Female Male Female
0 to 9 6,731 -1.34% 6,135 +3.56% 6,628 6,352
10 to 19 8,308 -2.33% 7,971 -4.96% 8,107 7,578
20 to 29 7,790 -4.29% 6,450 +2.27% 7,460 6,592
30 to 39 7,588 +0.46% 6,637 +0.16% 7,620 6,643
40 to 49 8,534 +1.76% 8,493 -2.57% 8,676 8,274
50 to 59 11,279 -5.18% 11,889 -7.64% 10,705 11,003
60 to 69 11,483 +10.33% 12,412 +13.82% 12,715 14,192
70+ 15,385 +8.1% 18,634 +2.8% 16,646 19,132

Median Household Income

The latest median household income of Martin County, Florida is $69,769.00.

In simple terms, the median income is the middle income of a group of people. Half of the people in the group make more than the median income, and half make less. The median income is a good indicator of the overall income of a group of people, and can be used to compare against other metrics such as the average income, per capita income, and more.

Median Income by Age

We can also look at the median income by age to see how the median income varies by age, and how it compares to the overall median income for Martin County.

  • Under 25
    $32,946.00
  • 25 to 44
    $74,277.00
  • 45 to 64
    $90,737.00
  • 65 and over
    $56,656.00

Average Household Income

Whenever we ask what is the average household income in Martin County, we are actually talking about the mean household income.

This is calculated by adding up all the incomes of all the households in Martin County, and then dividing that number by the total number of households. This is a good way to get a general idea of the average income of a group of people, but it can be skewed by a very high or very low incomes.

The average household income of Martin County, Florida is currently $108,358.00.

In terms of accurately summarizing income at a geographic level, the median income is a better metric than the average income because it isn't affected by a small number of very high or very low incomes.

If you had an area where the average income was greater than the median, it can mean that there is significant income inequality, with income being concentrated in a small number of wealthy households.

11.12% of households in Martin County are classed as high income households (making $200,000+ per year).

Household Income Tiers

The US Census Bureau divides households into income tiers based on the median income for the area. This is a good way to compare the income of Martin County against other areas.

  • Less than $24,999
    16.28%
  • $25,000 to $49,999
    20.82%
  • $50,000 to $74,999
    16.13%
  • $75,000 to $99,999
    12.26%
  • $100,000 to $149,999
    16.52%
  • $150,000 to $199,999
    6.87%
  • $200,000 or more
    11.12%

Per Capita Income

The per capita income in Martin County is $46,973.00.

Per capita income is the average income of a person in a given area. It is calculated by dividing the total income of Martin County by the total population of Martin County.

This is different from the average or mean income because it includes and accounts for all people in Martin County, Florida, including people like children, the elderly, unemployed people, retired people, and more.

Education Levels

We can also look at the education levels in Martin County to see how many people have a high school degree, a bachelor's degree, or a graduate degree.

Educational attainment is a good indicator of the overall education level of a population, and can be used to compare against other metrics such as the average income, per capita income, and more to see how education levels affect income, unemployment rates, and more.

  • Master's degree or higher
    13.66%
  • Bachelor's degree
    35.31%
  • Some college or associate's degree
    13.05%
  • High school diploma or equivalent
    34.37%
  • Less than high school diploma
    3.61%

Employment

Employment rates are all based around the total population in Martin County that are over the age of 16.

The total population of Martin County over the age of 16 is 135,237.

Of those people, a total of 51.30% are working or actively looking for work. This is called the labor force participation rate.

The participation rate is a useful market measure because it shows the relative amount of labor resources available to the economy.

The employment to total population rate in Martin County is 48.90%.

Employment by Age

We can look at the employment rates by age to see how it compares to the overall employment rate.

Age Population Participation Unemployment Rate
16 to 19 years 5,579 47.30% 10.50%
20 to 24 years 6,920 73.00% 12.60%
25 to 29 years 7,132 78.10% 0.90%
30 to 34 years 7,318 74.20% 5.00%
35 to 44 years 14,894 75.60% 4.60%
45 to 54 years 19,022 79.50% 2.60%
55 to 59 years 11,687 70.30% 3.60%
60 to 64 years 13,555 59.60% 3.30%
65 to 74 years 24,836 27.30% 6.60%
75 years and over 24,294 5.20% 1.40%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Martin County. The table below shows the rates for each of the ethnicity groups types defined by the US Census Bureau.

Age Population Participation Unemployment Rate
White 117,464 49.90% 4.20%
Black or African American 6,871 54.10% 6.90%
American Indian and Alaska Native 471 61.40% 13.10%
Asian 1,931 65.80% 1.70%
Native Hawaiian and Other Pacific Islander 96 19.80% 0.00%
Other 2,998 69.50% 2.60%
Two or more races 5,406 62.80% 10.30%
Hispanic or Latino 15,572 66.70% 5.30%
Not Hispanic or Latino 109,092 48.80% 4.20%

Occupations

In this section we can look at the most common occupations in Martin County as well as the gender breakdown and earnings of them.

The total population of civilian employees that are 16 years old or older in Martin County is 66,110, with median earnings of $39,365.00.

Women in Martin County, Florida earning approximately 68.00% of the men's earnings.

Population Earnings
Total 66,110 $39,365.00
Male 35,293 $47,226.00
Female 30,817 $32,096.00

Occupations by Category

In the table below, we can break down the population and earnings even further by occupation. The list of occupation categories below will show you how many people are employed in each category and the median earnings of each profession.

Occupation Employed Earnings
Management 8,824 $90,759.00
Business and Financial 3,142 $65,519.00
Computer and Mathematical 1,198 $68,000.00
Architecture and Engineering 1,338 $80,927.00
Life, Physical, and Social Science 631 $60,515.00
Community and Social Service 1,037 $41,532.00
Legal 601 $120,911.00
Educational and Library 3,339 $42,589.00
Arts, Design, Entertainment, Sports, and Media 1,204 $35,254.00
Healthcare Practitioners 4,716 $65,335.00
Healthcare Support 1,688 $26,780.00
Firefighters and Protective Service 992 $74,423.00
Law Enforcement 527 $77,643.00
Food Preparation and Serving 4,577 $18,650.00
Building and Grounds Cleaning 3,385 $19,770.00
Personal Care and Service 2,130 $13,364.00
Sales 8,515 $38,133.00
Office and Administrative Support 6,809 $31,243.00
Farming, Fishing, and Forestry 360 $21,164.00
Construction and Extraction 4,404 $37,652.00
Installation, Maintenance, and Repair 2,039 $47,205.00
Production 1,820 $36,296.00
Transportation and Material Moving 1,710 $52,531.00

Occupations by Gender

The table below shows the same occupations from the list above, but we have split them by male and female to see how many male and females work in each occupation, the median earnings, and the male to female ratio of earnings.

That last metric is important because it can be used to look at the gender pay gap between men and women.

Occupation Male Female
Population Earnings Population Earnings
Management 5,404 $106,466.00 3,420 $69,320.00
Business and Financial 1,701 $83,750.00 1,441 $53,109.00
Computer and Mathematical 955 $54,962.00 243 $84,252.00
Architecture and Engineering 1,121 $82,121.00 217 $36,681.00
Life, Physical, and Social Science 432 $77,552.00 199 $47,670.00
Community and Social Service 406 $39,459.00 631 $41,895.00
Legal 327 $209,946.00 274 $75,714.00
Educational and Library 767 $52,530.00 2,572 $36,857.00
Arts, Design, Entertainment, Sports, and Media 590 $42,938.00 614 $33,750.00
Healthcare Practitioners 1,744 $129,405.00 2,972 $53,480.00
Healthcare Support 321 $32,132.00 1,367 $26,368.00
Firefighters and Protective Service 814 $96,131.00 178 $47,900.00
Law Enforcement 471 $78,299.00 56 $39,286.00
Food Preparation and Serving 2,238 $17,971.00 2,339 $19,750.00
Building and Grounds Cleaning 2,331 $22,385.00 1,054 $11,256.00
Personal Care and Service 569 $11,968.00 1,561 $13,510.00
Sales 3,808 $45,625.00 4,707 $25,223.00
Office and Administrative Support 1,354 $35,286.00 5,455 $30,361.00
Farming, Fishing, and Forestry 339 $21,616.00 21 $0.00
Construction and Extraction 4,236 $38,502.00 168 $22,789.00
Installation, Maintenance, and Repair 1,954 $47,857.00 85 $18,750.00
Production 1,321 $42,872.00 499 $26,386.00
Transportation and Material Moving 1,312 $49,192.00 398 $62,593.00

Households and Family Size

A household defined bu the US Census Bureau is a group of people who occupy a housing unit. A housing unit is a house, apartment, mobile home, group of rooms, or single room occupied as separate living quarters.

There are currently 66,108 households in Martin County, with an average household size of 2.34 people.

A family is defined as a group of two or more people related by birth, marriage, or adoption who live together in the same household.

There are 40,875 families in Martin County with an average family size of 2.94 people.

Households by Marital Status

The four categories of household by marital status are:

  • Married-couple family
  • Male householder with no spouse present
  • Female household with no spouse present
  • Nonfamily household

The table below shows the total number of households and families, with the average sizes of each.

Married Male Female Nonfamily
Total Households 32,943 2,245 5,687 25,233
Average Household Size 2.88 3.48 3.69 1.22
Total Families 32,943 2,245 5,687 0
Average Household Size 2.86 2.96 3.43 0

Poverty

Of the 40,875 families in Martin County, 6.60% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Martin County:

Household Size Poverty Threshold
1 Person $14,580.00
2 People $19,720.00
3 People $24,860.00
4 People $30,000.00
5 People $35,140.00
6 People $40,280.00
7 People $45,420.00
8 People $50,560.00

Housing

There are 81,069 housing units in Martin County, Florida.

The table below shows the split between occupied and vacant units:

Total Percentage
Occupied 66,108 81.55%
Vacant 14,961 18.45%

16.06% of the total 81,069 housing units in Martin County are rental units. This is approximately 13,019 properties.

For owner-occupied housing units, a total of 52,356 are occupied by the owner - or 64.58% of the total.

Rental Rates

The median rent for a property in Martin County is $1,214.00.

In the chart below, we can look at the number of rental properties in Martin County that fall into a particular rent range. These can then be used to compare with other areas, or to see how they have changed over time.

  • No rent paid
    733
  • Less than $500
    515
  • $500 to $999
    3,664
  • $1,000 to $1,499
    5,101
  • $1,500 to $1,999
    2,265
  • $2,000 to $2,499
    653
  • $2,500 to $2,999
    274
  • $3,000 or more
    547

Property Value

The median value of a property in Martin County is $306,700.00.

Just like with rental rates, we can look at the number of properties in Martin County that fall into a particular value range.

  • Less than $50,000
    2,935
  • $50,000 to $99,999
    3,562
  • $100,000 to $149,999
    4,037
  • $150,000 to $199,999
    5,316
  • $200,000 to $299,999
    9,719
  • $300,000 to $499,999
    15,331
  • $500,000 to $999,999
    8,877
  • $1,000,000 or more
    2,579

Property Age

We can also look at the age of properties in Martin County. The chart below shows the number of properties in Martin County that fall into a particular age range.

  • 1939 or earlier
    1,154
  • 1940 to 1949
    414
  • 1950 to 1959
    3,098
  • 1960 to 1969
    4,482
  • 1970 to 1979
    18,173
  • 1980 to 1989
    24,864
  • 1990 to 1999
    13,155
  • 2000 to 2009
    12,069
  • 2010 to 2013
    3,627
  • 2014 or later
    33

Vehicles per Household

The number of vehicles available per household can be a good indicator of the level of affluence in an area. The chart below shows the number of households in Martin County that have a particular number of vehicles available.

  • No vehicles available
    3,464
  • 1 vehicle available
    26,038
  • 2 vehicles available
    26,551
  • 3 or more vehicles available
    10,055

Commuting to Work

In this section, we can also look at how people in Martin County get to work. The chart below shows the number of people in Martin County that commute to work in a particular way.

26.5 minutes is the average travel time to work for people in Martin County.

These commute times can be compared to other date like income and educational levels to see how they relate to each other and if there are any trends in the data that might suggest a correlation.

  • Less than 5 minutes
    1,773
  • 5 to 9 minutes
    5,467
  • 10 to 14 minutes
    8,155
  • 15 to 19 minutes
    8,677
  • 20 to 24 minutes
    8,347
  • 25 to 29 minutes
    3,143
  • 30 to 34 minutes
    8,002
  • 35 to 39 minutes
    1,638
  • 40 to 44 minutes
    3,137
  • 45 to 59 minutes
    5,293
  • 60 to 89 minutes
    2,495
  • 90 or more minutes
    1,709

Summary

We've covered a LOT of demographic and population data for Martin County, Florida in this article! Hopefully you have found it very useful in your research of the area.

If you use any of the data found on this page, please consider linking back to USPopulation.org as the source and if you have any feedback or data requests, click here to contact us.

Places in Martin County, Florida

We have data for 14 places in Martin County, Florida. Click on a place below to see more information about the demographics of that place.