Plymouth County Historical Age Data
ACS 2010-2014 data
Total population: 500,772
Median Age (
see rank)
| Plymouth County | 41.80 years old |
| Massachusetts | 39.30 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| Plymouth County | 40.50 years old |
| Massachusetts | 37.80 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| Plymouth County | 43.10 years old |
| Massachusetts | 40.60 years old |
| U.S. | 38.80 years old |
| | Plymouth County | % of the Total Population | Massachusetts | U.S. |
| Under 5 years | 27,347 | 5.46%, see rank | 5.49% | 6.36% |
| 5 to 9 years | 32,918 | 6.57%, see rank | 5.73% | 6.51% |
| 10 to 14 years | 34,399 | 6.87%, see rank | 6.03% | 6.59% |
| 15 to 19 years | 34,712 | 6.93%, see rank | 6.98% | 6.85% |
| 20 to 24 years | 29,221 | 5.84%, see rank | 7.25% | 7.13% |
| 25 to 34 years | 50,745 | 10.13%, see rank | 13.41% | 13.47% |
| 35 to 44 years | 64,936 | 12.97%, see rank | 12.88% | 12.96% |
| 45 to 54 years | 81,736 | 16.32%, see rank | 15.07% | 14.09% |
| 55 to 64 years | 69,326 | 13.84%, see rank | 12.77% | 12.29% |
| 65 to 74 years | 43,054 | 8.60%, see rank | 7.65% | 7.64% |
| 75 to 84 | 22,073 | 4.41%, see rank | 4.49% | 4.25% |
| 85 years and over | 10,305 | 2.06%, see rank | 2.26% | 1.85% |
US Census 2010 data
Total population: 494,919
Median Age (
see rank)
| Plymouth County | 41.10 years old |
| Massachusetts | 39.10 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Plymouth County | 39.80 years old |
| Massachusetts | 37.70 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Plymouth County | 42.20 years old |
| Massachusetts | 40.30 years old |
| U.S. | 38.50 years old |
| | Plymouth County | % of the Total Population | Massachusetts | U.S. |
| Under 5 years | 28,510 | 5.76%, see rank | 5.61% | 6.54% |
| 5 to 9 years | 33,361 | 6.74%, see rank | 5.89% | 6.59% |
| 10 to 14 years | 35,695 | 7.21%, see rank | 6.19% | 6.70% |
| 15 to 19 years | 34,456 | 6.96%, see rank | 7.07% | 7.14% |
| 20 to 24 years | 27,095 | 5.47%, see rank | 7.26% | 6.99% |
| 25 to 34 years | 49,143 | 9.93%, see rank | 12.91% | 13.30% |
| 35 to 44 years | 69,645 | 14.07%, see rank | 13.55% | 13.30% |
| 45 to 54 years | 82,138 | 16.60%, see rank | 15.46% | 14.58% |
| 55 to 64 years | 66,030 | 13.34%, see rank | 12.27% | 11.82% |
| 65 to 74 years | 37,837 | 7.65%, see rank | 6.97% | 7.03% |
| 75 to 84 | 21,374 | 4.32%, see rank | 4.60% | 4.23% |
| 85 years and over | 9,635 | 1.95%, see rank | 2.22% | 1.78% |
ACS 2008-2012 data
Total population: 495,407
Median Age (
see rank)
| Plymouth County | 41.10 years old |
| Massachusetts | 39.10 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Plymouth County | 40.00 years old |
| Massachusetts | 37.70 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Plymouth County | 42.30 years old |
| Massachusetts | 40.30 years old |
| U.S. | 38.50 years old |
| | Plymouth County | % of the Total Population | Massachusetts | U.S. |
| Under 5 years | 28,349 | 5.72%, see rank | 5.59% | 6.51% |
| 5 to 9 years | 33,456 | 6.75%, see rank | 5.91% | 6.57% |
| 10 to 14 years | 35,071 | 7.08%, see rank | 6.13% | 6.68% |
| 15 to 19 years | 34,870 | 7.04%, see rank | 7.12% | 7.09% |
| 20 to 24 years | 27,336 | 5.52%, see rank | 7.17% | 7.04% |
| 25 to 34 years | 49,196 | 9.93%, see rank | 13.00% | 13.32% |
| 35 to 44 years | 69,629 | 14.05%, see rank | 13.56% | 13.34% |
| 45 to 54 years | 81,467 | 16.44%, see rank | 15.32% | 14.44% |
| 55 to 64 years | 66,442 | 13.41%, see rank | 12.29% | 11.84% |
| 65 to 74 years | 38,316 | 7.73%, see rank | 7.07% | 7.12% |
| 75 to 84 | 21,534 | 4.35%, see rank | 4.62% | 4.25% |
| 85 years and over | 9,741 | 1.97%, see rank | 2.21% | 1.78% |
ACS 2006-2010 data
Total population: 490,784
Median Age (
see rank)
| Plymouth County | 40.50 years old |
| Massachusetts | 38.70 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| Plymouth County | 39.30 years old |
| Massachusetts | 37.30 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| Plymouth County | 41.50 years old |
| Massachusetts | 39.90 years old |
| U.S. | 38.10 years old |
| | Plymouth County | % of the Total Population | Massachusetts | U.S. |
| Under 5 years | 29,425 | 6.00%, see rank | 5.69% | 6.62% |
| 5 to 9 years | 33,586 | 6.84%, see rank | 6.01% | 6.62% |
| 10 to 14 years | 35,817 | 7.30%, see rank | 6.30% | 6.79% |
| 15 to 19 years | 35,250 | 7.18%, see rank | 7.24% | 7.28% |
| 20 to 24 years | 26,564 | 5.41%, see rank | 7.10% | 6.98% |
| 25 to 34 years | 48,592 | 9.90%, see rank | 12.77% | 13.22% |
| 35 to 44 years | 74,298 | 15.14%, see rank | 14.37% | 13.89% |
| 45 to 54 years | 79,950 | 16.29%, see rank | 15.30% | 14.57% |
| 55 to 64 years | 62,512 | 12.74%, see rank | 11.68% | 11.28% |
| 65 to 74 years | 34,379 | 7.00%, see rank | 6.65% | 6.74% |
| 75 to 84 | 21,634 | 4.41%, see rank | 4.77% | 4.30% |
| 85 years and over | 8,777 | 1.79%, see rank | 2.12% | 1.70% |
ACS 2005-2009 data
Total population: 492,313
Median Age (
see rank)
| Plymouth County | 40.00 years old |
| Massachusetts | 38.50 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| Plymouth County | 38.80 years old |
| Massachusetts | 37.20 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| Plymouth County | 41.20 years old |
| Massachusetts | 39.80 years old |
| U.S. | 37.90 years old |
| | Plymouth County | % of the Total Population | Massachusetts | U.S. |
| Under 5 years | 30,794 | 6.25%, see rank | 5.92% | 6.92% |
| 5 to 9 years | 33,126 | 6.73%, see rank | 5.97% | 6.59% |
| 10 to 14 years | 36,104 | 7.33%, see rank | 6.33% | 6.83% |
| 15 to 19 years | 35,480 | 7.21%, see rank | 7.18% | 7.15% |
| 20 to 24 years | 28,467 | 5.78%, see rank | 6.78% | 7.02% |
| 25 to 34 years | 47,021 | 9.55%, see rank | 12.90% | 13.42% |
| 35 to 44 years | 78,067 | 15.86%, see rank | 14.99% | 14.18% |
| 45 to 54 years | 80,132 | 16.28%, see rank | 15.32% | 14.48% |
| 55 to 64 years | 60,797 | 12.35%, see rank | 11.27% | 10.81% |
| 65 to 74 years | 32,976 | 6.70%, see rank | 6.53% | 6.50% |
| 75 to 84 | 20,440 | 4.15%, see rank | 4.72% | 4.40% |
| 85 years and over | 8,909 | 1.81%, see rank | 2.11% | 1.71% |
US Census 2000 data
Total population: 472,822
Median Age (
see rank)
| Plymouth County | 36.80 years old |
| Massachusetts | 36.50 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| Plymouth County | 35.80 years old |
| Massachusetts | 35.40 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| Plymouth County | 37.80 years old |
| Massachusetts | 37.70 years old |
| U.S. | 36.50 years old |
| | Plymouth County | % of the Total Population | Massachusetts | U.S. |
| Under 5 years | 33,099 | 7.00%, see rank | 6.26% | 6.81% |
| 5 to 9 years | 36,078 | 7.63%, see rank | 6.79% | 7.30% |
| 10 to 14 years | 36,774 | 7.78%, see rank | 6.79% | 7.29% |
| 15 to 19 years | 31,641 | 6.69%, see rank | 6.55% | 7.18% |
| 20 to 24 years | 22,839 | 4.83%, see rank | 6.37% | 6.74% |
| 25 to 34 years | 60,850 | 12.87%, see rank | 14.60% | 14.18% |
| 35 to 44 years | 82,840 | 17.52%, see rank | 16.74% | 16.04% |
| 45 to 54 years | 69,658 | 14.73%, see rank | 13.76% | 13.39% |
| 55 to 64 years | 43,271 | 9.15%, see rank | 8.61% | 8.63% |
| 65 to 74 years | 28,525 | 6.03%, see rank | 6.74% | 6.54% |
| 75 to 84 | 19,880 | 4.20%, see rank | 4.97% | 4.39% |
| 85 years and over | 7,367 | 1.56%, see rank | 1.84% | 1.51% |
* 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.
