Suffolk County Historical Age Data
ACS 2010-2014 data
Total population: 747,928
Median Age (
see rank)
| Suffolk County | 31.90 years old |
| Massachusetts | 39.30 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| Suffolk County | 31.30 years old |
| Massachusetts | 37.80 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| Suffolk County | 32.50 years old |
| Massachusetts | 40.60 years old |
| U.S. | 38.80 years old |
| | Suffolk County | % of the Total Population | Massachusetts | U.S. |
| Under 5 years | 41,908 | 5.60%, see rank | 5.49% | 6.36% |
| 5 to 9 years | 34,320 | 4.59%, see rank | 5.73% | 6.51% |
| 10 to 14 years | 32,593 | 4.36%, see rank | 6.03% | 6.59% |
| 15 to 19 years | 54,713 | 7.32%, see rank | 6.98% | 6.85% |
| 20 to 24 years | 86,864 | 11.61%, see rank | 7.25% | 7.13% |
| 25 to 34 years | 161,429 | 21.58%, see rank | 13.41% | 13.47% |
| 35 to 44 years | 95,918 | 12.82%, see rank | 12.88% | 12.96% |
| 45 to 54 years | 87,263 | 11.67%, see rank | 15.07% | 14.09% |
| 55 to 64 years | 72,865 | 9.74%, see rank | 12.77% | 12.29% |
| 65 to 74 years | 43,191 | 5.77%, see rank | 7.65% | 7.64% |
| 75 to 84 | 24,913 | 3.33%, see rank | 4.49% | 4.25% |
| 85 years and over | 11,951 | 1.60%, see rank | 2.26% | 1.85% |
US Census 2010 data
Total population: 722,023
Median Age (
see rank)
| Suffolk County | 31.50 years old |
| Massachusetts | 39.10 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Suffolk County | 30.90 years old |
| Massachusetts | 37.70 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Suffolk County | 32.10 years old |
| Massachusetts | 40.30 years old |
| U.S. | 38.50 years old |
| | Suffolk County | % of the Total Population | Massachusetts | U.S. |
| Under 5 years | 39,574 | 5.48%, see rank | 5.61% | 6.54% |
| 5 to 9 years | 32,832 | 4.55%, see rank | 5.89% | 6.59% |
| 10 to 14 years | 32,164 | 4.45%, see rank | 6.19% | 6.70% |
| 15 to 19 years | 56,225 | 7.79%, see rank | 7.07% | 7.14% |
| 20 to 24 years | 95,504 | 13.23%, see rank | 7.26% | 6.99% |
| 25 to 34 years | 145,401 | 20.14%, see rank | 12.91% | 13.30% |
| 35 to 44 years | 92,929 | 12.87%, see rank | 13.55% | 13.30% |
| 45 to 54 years | 84,680 | 11.73%, see rank | 15.46% | 14.58% |
| 55 to 64 years | 66,988 | 9.28%, see rank | 12.27% | 11.82% |
| 65 to 74 years | 39,594 | 5.48%, see rank | 6.97% | 7.03% |
| 75 to 84 | 24,814 | 3.44%, see rank | 4.60% | 4.23% |
| 85 years and over | 11,318 | 1.57%, see rank | 2.22% | 1.78% |
ACS 2008-2012 data
Total population: 724,502
Median Age (
see rank)
| Suffolk County | 31.60 years old |
| Massachusetts | 39.10 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Suffolk County | 30.90 years old |
| Massachusetts | 37.70 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Suffolk County | 32.20 years old |
| Massachusetts | 40.30 years old |
| U.S. | 38.50 years old |
| | Suffolk County | % of the Total Population | Massachusetts | U.S. |
| Under 5 years | 40,441 | 5.58%, see rank | 5.59% | 6.51% |
| 5 to 9 years | 33,511 | 4.63%, see rank | 5.91% | 6.57% |
| 10 to 14 years | 32,419 | 4.47%, see rank | 6.13% | 6.68% |
| 15 to 19 years | 55,167 | 7.61%, see rank | 7.12% | 7.09% |
| 20 to 24 years | 92,154 | 12.72%, see rank | 7.17% | 7.04% |
| 25 to 34 years | 148,519 | 20.50%, see rank | 13.00% | 13.32% |
| 35 to 44 years | 93,626 | 12.92%, see rank | 13.56% | 13.34% |
| 45 to 54 years | 84,559 | 11.67%, see rank | 15.32% | 14.44% |
| 55 to 64 years | 67,747 | 9.35%, see rank | 12.29% | 11.84% |
| 65 to 74 years | 39,950 | 5.51%, see rank | 7.07% | 7.12% |
| 75 to 84 | 24,779 | 3.42%, see rank | 4.62% | 4.25% |
| 85 years and over | 11,630 | 1.61%, see rank | 2.21% | 1.78% |
ACS 2006-2010 data
Total population: 704,460
Median Age (
see rank)
| Suffolk County | 31.60 years old |
| Massachusetts | 38.70 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| Suffolk County | 30.90 years old |
| Massachusetts | 37.30 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| Suffolk County | 32.30 years old |
| Massachusetts | 39.90 years old |
| U.S. | 38.10 years old |
| | Suffolk County | % of the Total Population | Massachusetts | U.S. |
| Under 5 years | 38,974 | 5.53%, see rank | 5.69% | 6.62% |
| 5 to 9 years | 31,904 | 4.53%, see rank | 6.01% | 6.62% |
| 10 to 14 years | 33,251 | 4.72%, see rank | 6.30% | 6.79% |
| 15 to 19 years | 57,929 | 8.22%, see rank | 7.24% | 7.28% |
| 20 to 24 years | 87,689 | 12.45%, see rank | 7.10% | 6.98% |
| 25 to 34 years | 140,773 | 19.98%, see rank | 12.77% | 13.22% |
| 35 to 44 years | 94,044 | 13.35%, see rank | 14.37% | 13.89% |
| 45 to 54 years | 82,535 | 11.72%, see rank | 15.30% | 14.57% |
| 55 to 64 years | 63,625 | 9.03%, see rank | 11.68% | 11.28% |
| 65 to 74 years | 37,448 | 5.32%, see rank | 6.65% | 6.74% |
| 75 to 84 | 24,985 | 3.55%, see rank | 4.77% | 4.30% |
| 85 years and over | 11,303 | 1.60%, see rank | 2.12% | 1.70% |
ACS 2005-2009 data
Total population: 730,630
Median Age (
see rank)
| Suffolk County | 32.50 years old |
| Massachusetts | 38.50 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| Suffolk County | 31.70 years old |
| Massachusetts | 37.20 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| Suffolk County | 33.30 years old |
| Massachusetts | 39.80 years old |
| U.S. | 37.90 years old |
| | Suffolk County | % of the Total Population | Massachusetts | U.S. |
| Under 5 years | 44,163 | 6.04%, see rank | 5.92% | 6.92% |
| 5 to 9 years | 33,794 | 4.63%, see rank | 5.97% | 6.59% |
| 10 to 14 years | 34,878 | 4.77%, see rank | 6.33% | 6.83% |
| 15 to 19 years | 54,596 | 7.47%, see rank | 7.18% | 7.15% |
| 20 to 24 years | 61,913 | 8.47%, see rank | 6.78% | 7.02% |
| 25 to 34 years | 171,023 | 23.41%, see rank | 12.90% | 13.42% |
| 35 to 44 years | 102,328 | 14.01%, see rank | 14.99% | 14.18% |
| 45 to 54 years | 85,813 | 11.75%, see rank | 15.32% | 14.48% |
| 55 to 64 years | 64,004 | 8.76%, see rank | 11.27% | 10.81% |
| 65 to 74 years | 38,921 | 5.33%, see rank | 6.53% | 6.50% |
| 75 to 84 | 27,038 | 3.70%, see rank | 4.72% | 4.40% |
| 85 years and over | 12,159 | 1.66%, see rank | 2.11% | 1.71% |
US Census 2000 data
Total population: 689,807
Median Age (
see rank)
| Suffolk County | 31.70 years old |
| Massachusetts | 36.50 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| Suffolk County | 30.90 years old |
| Massachusetts | 35.40 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| Suffolk County | 32.50 years old |
| Massachusetts | 37.70 years old |
| U.S. | 36.50 years old |
| | Suffolk County | % of the Total Population | Massachusetts | U.S. |
| Under 5 years | 38,522 | 5.58%, see rank | 6.26% | 6.81% |
| 5 to 9 years | 40,342 | 5.85%, see rank | 6.79% | 7.30% |
| 10 to 14 years | 38,967 | 5.65%, see rank | 6.79% | 7.29% |
| 15 to 19 years | 49,333 | 7.15%, see rank | 6.55% | 7.18% |
| 20 to 24 years | 76,575 | 11.10%, see rank | 6.37% | 6.74% |
| 25 to 34 years | 142,074 | 20.60%, see rank | 14.60% | 14.18% |
| 35 to 44 years | 102,750 | 14.90%, see rank | 16.74% | 16.04% |
| 45 to 54 years | 75,548 | 10.95%, see rank | 13.76% | 13.39% |
| 55 to 64 years | 49,533 | 7.18%, see rank | 8.61% | 8.63% |
| 65 to 74 years | 38,446 | 5.57%, see rank | 6.74% | 6.54% |
| 75 to 84 | 27,117 | 3.93%, see rank | 4.97% | 4.39% |
| 85 years and over | 10,600 | 1.54%, 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.
