Martin County FL Information


Martin County Subdivisions

Martin County FL Data & Demographics (As of July 1, 2017)


Total Population 156,333
Daytime Population: Workers 66,180
Daytime Population: Residents 91,187
Total Daytime Population (TDP) 157,367
Ratio TDP/Total Population1 1.01
Population in Households 152,253
Population in Familes 117,373
Population in Group Qrtrs 4,080
Population Density2 288
Diversity Index3 44


Median Household Income $55,488
Average Household Income $89,066
Per Capita Income $39,622


Total Housing Units 82,641 (100%)
Owner Occupied HU 49,551 (60.0%)
Renter Occupied HU 18,288 (22.1%)
Vacant Housing Units 14,802 (17.9%)
Median Home Value $253,869
Average Home Value $344,689


Total Households 67,839
Average Household Size 2.24
Family Households 42,309
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.92% 0.94%
Households 0.83% 0.9%
Families 0.73% 0.83%
Median Household Income   2.9%
Per Capita Income   2.37%


Martin County FL - Peer Comparisons by Rank and Percentile

The table below compares Martin County to the other 67 counties and county equivalents in Florida by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 31 55th
Population Density # 25 64th
Diversity Index # 47 31st
Median Household Income # 10 87th
Per Capita Income # 1 100th

Additional comparisons and rankings can be made with a VERY EASY TO USE Florida Census Data Comparison Tool.