Martin County FL Information


Martin County Subdivisions

Martin County FL Data & Demographics (As of July 1, 2018)


Total Population 157,469
Population in Households 153,263
Population in Familes 117,393
Population in Group Qrtrs 4,206
Population Density1 290
Diversity Index2 43


Median Household Income $57,738
Average Household Income $92,252
Per Capita Income $41,071


Total Housing Units 82,778 (100%)
Owner Occupied HU 52,435 (63.3%)
Renter Occupied HU 15,972 (19.3%)
Vacant Housing Units 14,371 (17.4%)
Median Home Value $272,553
Average Home Value $382,485


Total Households 68,407
Average Household Size 2.24
Family Households 42,588
Average Family Size 3
  1. Population Density = Total Population per square mile.
  2. 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 0.89% 1.15%
Households 0.83% 1.13%
Families 0.72% 1.06%
Median Household Income   3.39%
Per Capita Income   3.4%


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, 2018 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 # 46 33rd
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.