Jefferson County Historical Age Data
ACS 2010-2014 data
Total population: 44,935
Median Age (
see rank)
Jefferson County | 43.40 years old |
Pennsylvania | 40.40 years old |
U.S. | 37.40 years old |
Median Age, Male (
see rank)
Jefferson County | 42.00 years old |
Pennsylvania | 38.90 years old |
U.S. | 36.10 years old |
Median Age, Female (
see rank)
Jefferson County | 44.90 years old |
Pennsylvania | 41.90 years old |
U.S. | 38.80 years old |
| Jefferson County | % of the Total Population | Pennsylvania | U.S. |
Under 5 years | 2,601 | 5.79%, see rank | 5.64% | 6.36% |
5 to 9 years | 2,613 | 5.82%, see rank | 5.89% | 6.51% |
10 to 14 years | 2,668 | 5.94%, see rank | 6.07% | 6.59% |
15 to 19 years | 2,827 | 6.29%, see rank | 6.84% | 6.85% |
20 to 24 years | 2,577 | 5.73%, see rank | 6.86% | 7.13% |
25 to 34 years | 4,881 | 10.86%, see rank | 12.38% | 13.47% |
35 to 44 years | 5,251 | 11.69%, see rank | 12.21% | 12.96% |
45 to 54 years | 6,695 | 14.90%, see rank | 14.70% | 14.09% |
55 to 64 years | 6,402 | 14.25%, see rank | 13.41% | 12.29% |
65 to 74 years | 4,299 | 9.57%, see rank | 8.32% | 7.64% |
75 to 84 | 2,922 | 6.50%, see rank | 5.18% | 4.25% |
85 years and over | 1,199 | 2.67%, see rank | 2.50% | 1.85% |
US Census 2010 data
Total population: 45,200
Median Age (
see rank)
Jefferson County | 43.00 years old |
Pennsylvania | 40.10 years old |
U.S. | 37.20 years old |
Median Age, Male (
see rank)
Jefferson County | 41.80 years old |
Pennsylvania | 38.70 years old |
U.S. | 35.80 years old |
Median Age, Female (
see rank)
Jefferson County | 44.30 years old |
Pennsylvania | 41.50 years old |
U.S. | 38.50 years old |
| Jefferson County | % of the Total Population | Pennsylvania | U.S. |
Under 5 years | 2,593 | 5.74%, see rank | 5.74% | 6.54% |
5 to 9 years | 2,655 | 5.87%, see rank | 5.93% | 6.59% |
10 to 14 years | 2,734 | 6.05%, see rank | 6.23% | 6.70% |
15 to 19 years | 3,082 | 6.82%, see rank | 7.13% | 7.14% |
20 to 24 years | 2,371 | 5.25%, see rank | 6.88% | 6.99% |
25 to 34 years | 4,789 | 10.60%, see rank | 11.90% | 13.30% |
35 to 44 years | 5,525 | 12.22%, see rank | 12.72% | 13.30% |
45 to 54 years | 7,188 | 15.90%, see rank | 15.28% | 14.58% |
55 to 64 years | 6,008 | 13.29%, see rank | 12.77% | 11.82% |
65 to 74 years | 4,133 | 9.14%, see rank | 7.71% | 7.03% |
75 to 84 | 2,856 | 6.32%, see rank | 5.31% | 4.23% |
85 years and over | 1,266 | 2.80%, see rank | 2.41% | 1.78% |
ACS 2008-2012 data
Total population: 45,051
Median Age (
see rank)
Jefferson County | 43.00 years old |
Pennsylvania | 40.10 years old |
U.S. | 37.20 years old |
Median Age, Male (
see rank)
Jefferson County | 41.60 years old |
Pennsylvania | 38.60 years old |
U.S. | 35.80 years old |
Median Age, Female (
see rank)
Jefferson County | 44.50 years old |
Pennsylvania | 41.50 years old |
U.S. | 38.50 years old |
| Jefferson County | % of the Total Population | Pennsylvania | U.S. |
Under 5 years | 2,578 | 5.72%, see rank | 5.71% | 6.51% |
5 to 9 years | 2,416 | 5.36%, see rank | 5.96% | 6.57% |
10 to 14 years | 2,916 | 6.47%, see rank | 6.19% | 6.68% |
15 to 19 years | 2,994 | 6.65%, see rank | 7.12% | 7.09% |
20 to 24 years | 2,474 | 5.49%, see rank | 6.83% | 7.04% |
25 to 34 years | 4,787 | 10.63%, see rank | 11.98% | 13.32% |
35 to 44 years | 5,499 | 12.21%, see rank | 12.73% | 13.34% |
45 to 54 years | 7,081 | 15.72%, see rank | 15.14% | 14.44% |
55 to 64 years | 6,071 | 13.48%, see rank | 12.80% | 11.84% |
65 to 74 years | 4,102 | 9.11%, see rank | 7.80% | 7.12% |
75 to 84 | 2,950 | 6.55%, see rank | 5.32% | 4.25% |
85 years and over | 1,183 | 2.63%, see rank | 2.41% | 1.78% |
ACS 2006-2010 data
Total population: 45,244
Median Age (
see rank)
Jefferson County | 42.40 years old |
Pennsylvania | 39.80 years old |
U.S. | 36.90 years old |
Median Age, Male (
see rank)
Jefferson County | 40.70 years old |
Pennsylvania | 38.30 years old |
U.S. | 35.60 years old |
Median Age, Female (
see rank)
Jefferson County | 43.70 years old |
Pennsylvania | 41.20 years old |
U.S. | 38.10 years old |
| Jefferson County | % of the Total Population | Pennsylvania | U.S. |
Under 5 years | 2,573 | 5.69%, see rank | 5.77% | 6.62% |
5 to 9 years | 2,456 | 5.43%, see rank | 6.03% | 6.62% |
10 to 14 years | 3,021 | 6.68%, see rank | 6.36% | 6.79% |
15 to 19 years | 3,079 | 6.81%, see rank | 7.30% | 7.28% |
20 to 24 years | 2,441 | 5.40%, see rank | 6.69% | 6.98% |
25 to 34 years | 4,760 | 10.52%, see rank | 11.76% | 13.22% |
35 to 44 years | 5,853 | 12.94%, see rank | 13.40% | 13.89% |
45 to 54 years | 7,231 | 15.98%, see rank | 15.32% | 14.57% |
55 to 64 years | 5,668 | 12.53%, see rank | 12.10% | 11.28% |
65 to 74 years | 3,993 | 8.83%, see rank | 7.46% | 6.74% |
75 to 84 | 3,173 | 7.01%, see rank | 5.55% | 4.30% |
85 years and over | 996 | 2.20%, see rank | 2.27% | 1.70% |
ACS 2005-2009 data
Total population: 44,965
Median Age (
see rank)
Jefferson County | 42.50 years old |
Pennsylvania | 39.60 years old |
U.S. | 36.50 years old |
Median Age, Male (
see rank)
Jefferson County | 40.40 years old |
Pennsylvania | 38.00 years old |
U.S. | 35.20 years old |
Median Age, Female (
see rank)
Jefferson County | 43.80 years old |
Pennsylvania | 41.00 years old |
U.S. | 37.90 years old |
| Jefferson County | % of the Total Population | Pennsylvania | U.S. |
Under 5 years | 2,497 | 5.55%, see rank | 5.91% | 6.92% |
5 to 9 years | 2,466 | 5.48%, see rank | 5.95% | 6.59% |
10 to 14 years | 2,860 | 6.36%, see rank | 6.41% | 6.83% |
15 to 19 years | 3,027 | 6.73%, see rank | 7.24% | 7.15% |
20 to 24 years | 2,586 | 5.75%, see rank | 6.49% | 7.02% |
25 to 34 years | 4,778 | 10.63%, see rank | 12.00% | 13.42% |
35 to 44 years | 5,928 | 13.18%, see rank | 13.81% | 14.18% |
45 to 54 years | 7,177 | 15.96%, see rank | 15.31% | 14.48% |
55 to 64 years | 5,508 | 12.25%, see rank | 11.60% | 10.81% |
65 to 74 years | 3,923 | 8.72%, see rank | 7.32% | 6.50% |
75 to 84 | 3,275 | 7.28%, see rank | 5.69% | 4.40% |
85 years and over | 940 | 2.09%, see rank | 2.26% | 1.71% |
US Census 2000 data
Total population: 45,932
Median Age (
see rank)
Jefferson County | 39.80 years old |
Pennsylvania | 38.00 years old |
U.S. | 35.30 years old |
Median Age, Male (
see rank)
Jefferson County | 38.40 years old |
Pennsylvania | 36.50 years old |
U.S. | 34.00 years old |
Median Age, Female (
see rank)
Jefferson County | 41.30 years old |
Pennsylvania | 39.40 years old |
U.S. | 36.50 years old |
| Jefferson County | % of the Total Population | Pennsylvania | U.S. |
Under 5 years | 2,542 | 5.53%, see rank | 5.93% | 6.81% |
5 to 9 years | 2,919 | 6.36%, see rank | 6.74% | 7.30% |
10 to 14 years | 3,244 | 7.06%, see rank | 7.03% | 7.29% |
15 to 19 years | 3,369 | 7.33%, see rank | 6.93% | 7.18% |
20 to 24 years | 2,294 | 4.99%, see rank | 6.08% | 6.74% |
25 to 34 years | 5,341 | 11.63%, see rank | 12.71% | 14.18% |
35 to 44 years | 7,164 | 15.60%, see rank | 15.86% | 16.04% |
45 to 54 years | 6,225 | 13.55%, see rank | 13.88% | 13.39% |
55 to 64 years | 4,608 | 10.03%, see rank | 9.21% | 8.63% |
65 to 74 years | 4,073 | 8.87%, see rank | 7.89% | 6.54% |
75 to 84 | 3,079 | 6.70%, see rank | 5.80% | 4.39% |
85 years and over | 1,074 | 2.34%, see rank | 1.93% | 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.