Fairfield County Historical Age Data
ACS 2010-2014 data
Total population: 934,215
Median Age (
see rank)
| Fairfield County | 39.60 years old |
| Connecticut | 40.30 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| Fairfield County | 38.10 years old |
| Connecticut | 38.70 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| Fairfield County | 41.00 years old |
| Connecticut | 41.60 years old |
| U.S. | 38.80 years old |
| | Fairfield County | % of the Total Population | Connecticut | U.S. |
| Under 5 years | 55,160 | 5.90%, see rank | 5.41% | 6.36% |
| 5 to 9 years | 62,453 | 6.69%, see rank | 6.05% | 6.51% |
| 10 to 14 years | 66,834 | 7.15%, see rank | 6.53% | 6.59% |
| 15 to 19 years | 66,306 | 7.10%, see rank | 7.11% | 6.85% |
| 20 to 24 years | 52,937 | 5.67%, see rank | 6.53% | 7.13% |
| 25 to 34 years | 108,966 | 11.66%, see rank | 12.06% | 13.47% |
| 35 to 44 years | 126,509 | 13.54%, see rank | 12.78% | 12.96% |
| 45 to 54 years | 149,979 | 16.05%, see rank | 15.69% | 14.09% |
| 55 to 64 years | 114,796 | 12.29%, see rank | 13.04% | 12.29% |
| 65 to 74 years | 68,211 | 7.30%, see rank | 7.81% | 7.64% |
| 75 to 84 | 41,333 | 4.42%, see rank | 4.54% | 4.25% |
| 85 years and over | 20,731 | 2.22%, see rank | 2.44% | 1.85% |
US Census 2010 data
Total population: 916,829
Median Age (
see rank)
| Fairfield County | 39.50 years old |
| Connecticut | 40.00 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Fairfield County | 38.00 years old |
| Connecticut | 38.50 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Fairfield County | 40.80 years old |
| Connecticut | 41.30 years old |
| U.S. | 38.50 years old |
| | Fairfield County | % of the Total Population | Connecticut | U.S. |
| Under 5 years | 56,899 | 6.21%, see rank | 5.65% | 6.54% |
| 5 to 9 years | 62,907 | 6.86%, see rank | 6.23% | 6.59% |
| 10 to 14 years | 66,606 | 7.26%, see rank | 6.72% | 6.70% |
| 15 to 19 years | 62,192 | 6.78%, see rank | 7.02% | 7.14% |
| 20 to 24 years | 50,516 | 5.51%, see rank | 6.38% | 6.99% |
| 25 to 34 years | 106,063 | 11.57%, see rank | 11.76% | 13.30% |
| 35 to 44 years | 131,246 | 14.32%, see rank | 13.55% | 13.30% |
| 45 to 54 years | 149,286 | 16.28%, see rank | 16.10% | 14.58% |
| 55 to 64 years | 107,039 | 11.67%, see rank | 12.41% | 11.82% |
| 65 to 74 years | 62,341 | 6.80%, see rank | 7.13% | 7.03% |
| 75 to 84 | 41,272 | 4.50%, see rank | 4.66% | 4.23% |
| 85 years and over | 20,462 | 2.23%, see rank | 2.38% | 1.78% |
ACS 2008-2012 data
Total population: 918,892
Median Age (
see rank)
| Fairfield County | 39.50 years old |
| Connecticut | 40.00 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Fairfield County | 38.10 years old |
| Connecticut | 38.50 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Fairfield County | 40.70 years old |
| Connecticut | 41.20 years old |
| U.S. | 38.50 years old |
| | Fairfield County | % of the Total Population | Connecticut | U.S. |
| Under 5 years | 56,435 | 6.14%, see rank | 5.60% | 6.51% |
| 5 to 9 years | 62,800 | 6.83%, see rank | 6.21% | 6.57% |
| 10 to 14 years | 66,492 | 7.24%, see rank | 6.69% | 6.68% |
| 15 to 19 years | 63,854 | 6.95%, see rank | 7.12% | 7.09% |
| 20 to 24 years | 49,930 | 5.43%, see rank | 6.32% | 7.04% |
| 25 to 34 years | 106,140 | 11.55%, see rank | 11.80% | 13.32% |
| 35 to 44 years | 131,714 | 14.33%, see rank | 13.58% | 13.34% |
| 45 to 54 years | 148,685 | 16.18%, see rank | 15.96% | 14.44% |
| 55 to 64 years | 107,793 | 11.73%, see rank | 12.44% | 11.84% |
| 65 to 74 years | 63,211 | 6.88%, see rank | 7.24% | 7.12% |
| 75 to 84 | 41,751 | 4.54%, see rank | 4.66% | 4.25% |
| 85 years and over | 20,087 | 2.19%, see rank | 2.37% | 1.78% |
ACS 2006-2010 data
Total population: 905,342
Median Age (
see rank)
| Fairfield County | 39.10 years old |
| Connecticut | 39.50 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| Fairfield County | 37.70 years old |
| Connecticut | 38.10 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| Fairfield County | 40.40 years old |
| Connecticut | 40.80 years old |
| U.S. | 38.10 years old |
| | Fairfield County | % of the Total Population | Connecticut | U.S. |
| Under 5 years | 57,798 | 6.38%, see rank | 5.79% | 6.62% |
| 5 to 9 years | 63,036 | 6.96%, see rank | 6.36% | 6.62% |
| 10 to 14 years | 66,296 | 7.32%, see rank | 6.83% | 6.79% |
| 15 to 19 years | 62,129 | 6.86%, see rank | 7.14% | 7.28% |
| 20 to 24 years | 48,736 | 5.38%, see rank | 6.24% | 6.98% |
| 25 to 34 years | 102,879 | 11.36%, see rank | 11.57% | 13.22% |
| 35 to 44 years | 137,541 | 15.19%, see rank | 14.47% | 13.89% |
| 45 to 54 years | 144,794 | 15.99%, see rank | 15.91% | 14.57% |
| 55 to 64 years | 101,596 | 11.22%, see rank | 11.82% | 11.28% |
| 65 to 74 years | 59,042 | 6.52%, see rank | 6.77% | 6.74% |
| 75 to 84 | 42,039 | 4.64%, see rank | 4.80% | 4.30% |
| 85 years and over | 19,456 | 2.15%, see rank | 2.30% | 1.70% |
ACS 2005-2009 data
Total population: 892,843
Median Age (
see rank)
| Fairfield County | 38.70 years old |
| Connecticut | 39.00 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| Fairfield County | 37.00 years old |
| Connecticut | 37.50 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| Fairfield County | 40.20 years old |
| Connecticut | 40.40 years old |
| U.S. | 37.90 years old |
| | Fairfield County | % of the Total Population | Connecticut | U.S. |
| Under 5 years | 59,935 | 6.71%, see rank | 6.08% | 6.92% |
| 5 to 9 years | 61,584 | 6.90%, see rank | 6.32% | 6.59% |
| 10 to 14 years | 65,286 | 7.31%, see rank | 6.84% | 6.83% |
| 15 to 19 years | 62,702 | 7.02%, see rank | 7.24% | 7.15% |
| 20 to 24 years | 50,800 | 5.69%, see rank | 6.43% | 7.02% |
| 25 to 34 years | 98,606 | 11.04%, see rank | 11.55% | 13.42% |
| 35 to 44 years | 138,763 | 15.54%, see rank | 14.86% | 14.18% |
| 45 to 54 years | 140,602 | 15.75%, see rank | 15.70% | 14.48% |
| 55 to 64 years | 97,995 | 10.98%, see rank | 11.38% | 10.81% |
| 65 to 74 years | 57,831 | 6.48%, see rank | 6.67% | 6.50% |
| 75 to 84 | 40,423 | 4.53%, see rank | 4.72% | 4.40% |
| 85 years and over | 18,316 | 2.05%, see rank | 2.19% | 1.71% |
US Census 2000 data
Total population: 882,567
Median Age (
see rank)
| Fairfield County | 37.30 years old |
| Connecticut | 37.40 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| Fairfield County | 36.10 years old |
| Connecticut | 36.10 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| Fairfield County | 38.40 years old |
| Connecticut | 38.60 years old |
| U.S. | 36.50 years old |
| | Fairfield County | % of the Total Population | Connecticut | U.S. |
| Under 5 years | 64,005 | 7.25%, see rank | 6.56% | 6.81% |
| 5 to 9 years | 67,207 | 7.61%, see rank | 7.17% | 7.30% |
| 10 to 14 years | 62,282 | 7.06%, see rank | 7.09% | 7.29% |
| 15 to 19 years | 51,079 | 5.79%, see rank | 6.36% | 7.18% |
| 20 to 24 years | 42,982 | 4.87%, see rank | 5.51% | 6.74% |
| 25 to 34 years | 118,076 | 13.38%, see rank | 13.26% | 14.18% |
| 35 to 44 years | 154,462 | 17.50%, see rank | 17.06% | 16.04% |
| 45 to 54 years | 123,716 | 14.02%, see rank | 14.12% | 13.39% |
| 55 to 64 years | 81,595 | 9.25%, see rank | 9.06% | 8.63% |
| 65 to 74 years | 59,709 | 6.77%, see rank | 6.80% | 6.54% |
| 75 to 84 | 41,863 | 4.74%, see rank | 5.12% | 4.39% |
| 85 years and over | 15,591 | 1.77%, see rank | 1.89% | 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.
