Martin County Historical Household and Family Data
ACS 2010-2014 data
Total population: 149,658
| Martin County | Florida | U.S. | |
| Total Households | 60,828, 100% | 7,217,508 | 116,211,092 |
| Average Household Size | 2.40, see rank | 2.62 | 2.63 |
| 1 Person Households | 19,680, 32.35%, see rank | 28.99% | 27.57% |
| 2 or More Person Households | 41,148, 67.65%, see rank | 71.01% | 72.43% |
| Family Households (Families) | 38,093, 62.62%, see rank | 64.43% | 66.22% |
| Average Family Size | 3.11, see rank | 3.35 | 3.32 |
| Married-Couple Family | 31,334, 51.51%, see rank | 46.61% | 48.42% |
| Nonfamily Households | 22,735, 37.38%, see rank | 35.57% | 33.78% |
US Census 2010 data
Total population: 146,318
| Martin County | Florida | U.S. | |
| Total Households | 63,899, 100% | 7,420,802 | 116,716,292 |
| Average Household Size | 2.23, see rank | 2.48 | 2.58 |
| 1 Person Households | 19,839, 31.05%, see rank | 27.24% | 26.74% |
| 2 or More Person Households | 44,060, 68.95%, see rank | 72.76% | 73.26% |
| Family Households (Families) | 40,148, 62.83%, see rank | 65.16% | 66.43% |
| Average Family Size | 2.75, see rank | 3.01 | 3.14 |
| Married-Couple Family | 32,198, 50.39%, see rank | 46.59% | 48.42% |
| Nonfamily Households | 23,751, 37.17%, see rank | 34.84% | 33.57% |
ACS 2008-2012 data
Total population: 146,497
| Martin County | Florida | U.S. | |
| Total Households | 59,562, 100% | 7,147,013 | 115,226,802 |
| Average Household Size | 2.40, see rank | 2.58 | 2.61 |
| 1 Person Households | 19,349, 32.49%, see rank | 28.69% | 27.45% |
| 2 or More Person Households | 40,213, 67.51%, see rank | 71.31% | 72.55% |
| Family Households (Families) | 37,443, 62.86%, see rank | 64.80% | 66.47% |
| Average Family Size | 3.09, see rank | 3.28 | 3.29 |
| Married-Couple Family | 30,825, 51.75%, see rank | 47.32% | 48.97% |
| Nonfamily Households | 22,119, 37.14%, see rank | 35.20% | 33.53% |
ACS 2006-2010 data
Total population: 144,322
| Martin County | Florida | U.S. | |
| Total Households | 59,203, 100% | 7,152,844 | 114,235,996 |
| Average Household Size | 2.39, see rank | 2.53 | 2.59 |
| 1 Person Households | 19,002, 32.10%, see rank | 28.10% | 27.24% |
| 2 or More Person Households | 40,201, 67.90%, see rank | 71.90% | 72.76% |
| Family Households (Families) | 37,254, 62.93%, see rank | 65.29% | 66.75% |
| Average Family Size | 3.06, see rank | 3.19 | 3.25 |
| Married-Couple Family | 31,082, 52.50%, see rank | 48.16% | 49.60% |
| Nonfamily Households | 21,949, 37.07%, see rank | 34.71% | 33.25% |
ACS 2005-2009 data
Total population: 138,791
| Martin County | Florida | U.S. | |
| Total Households | 57,933, 100% | 7,076,539 | 112,611,029 |
| Average Household Size | 2.35, see rank | 2.52 | 2.60 |
| 1 Person Households | 17,958, 31.00%, see rank | 28.04% | 27.32% |
| 2 or More Person Households | 39,975, 69.00%, see rank | 71.96% | 72.68% |
| Family Households (Families) | 37,155, 64.13%, see rank | 65.15% | 66.67% |
| Average Family Size | 2.97, see rank | 3.18 | 3.27 |
| Married-Couple Family | 30,174, 52.08%, see rank | 48.28% | 49.71% |
| Nonfamily Households | 20,778, 35.87%, see rank | 34.85% | 33.33% |
US Census 2000 data
Total population: 126,731
| Martin County | Florida | U.S. | |
| Total Households | 55,288, 100% | 6,337,929 | 105,480,101 |
| Average Household Size | 2.23, see rank | 2.46 | 2.59 |
| 1 Person Households | 16,013, 28.96%, see rank | 26.62% | 25.82% |
| 2 or More Person Households | 39,275, 71.04%, see rank | 73.38% | 74.18% |
| Family Households (Families) | 36,194, 65.46%, see rank | 66.44% | 68.06% |
| Average Family Size | 2.71, see rank | 2.98 | 3.14 |
| Married-Couple Family | 30,424, 55.03%, see rank | 50.37% | 51.66% |
| Nonfamily Households | 19,094, 34.54%, see rank | 33.56% | 31.94% |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.