Franklin County Historical Age Data
ACS 2010-2014 data
Total population: 12,853
Median Age (
see rank)
| Franklin County | 32.50 years old |
| Idaho | 35.20 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| Franklin County | 30.90 years old |
| Idaho | 34.40 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| Franklin County | 33.60 years old |
| Idaho | 36.00 years old |
| U.S. | 38.80 years old |
| | Franklin County | % of the Total Population | Idaho | U.S. |
| Under 5 years | 1,089 | 8.47%, see rank | 7.27% | 6.36% |
| 5 to 9 years | 1,281 | 9.97%, see rank | 7.53% | 6.51% |
| 10 to 14 years | 1,364 | 10.61%, see rank | 7.64% | 6.59% |
| 15 to 19 years | 1,064 | 8.28%, see rank | 7.12% | 6.85% |
| 20 to 24 years | 611 | 4.75%, see rank | 6.95% | 7.13% |
| 25 to 34 years | 1,476 | 11.48%, see rank | 13.25% | 13.47% |
| 35 to 44 years | 1,557 | 12.11%, see rank | 12.21% | 12.96% |
| 45 to 54 years | 1,461 | 11.37%, see rank | 12.71% | 14.09% |
| 55 to 64 years | 1,274 | 9.91%, see rank | 11.98% | 12.29% |
| 65 to 74 years | 909 | 7.07%, see rank | 7.76% | 7.64% |
| 75 to 84 | 475 | 3.70%, see rank | 3.98% | 4.25% |
| 85 years and over | 292 | 2.27%, see rank | 1.60% | 1.85% |
US Census 2010 data
Total population: 12,786
Median Age (
see rank)
| Franklin County | 31.50 years old |
| Idaho | 34.60 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Franklin County | 30.60 years old |
| Idaho | 33.70 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Franklin County | 32.30 years old |
| Idaho | 35.40 years old |
| U.S. | 38.50 years old |
| | Franklin County | % of the Total Population | Idaho | U.S. |
| Under 5 years | 1,219 | 9.53%, see rank | 7.77% | 6.54% |
| 5 to 9 years | 1,292 | 10.10%, see rank | 7.73% | 6.59% |
| 10 to 14 years | 1,289 | 10.08%, see rank | 7.46% | 6.70% |
| 15 to 19 years | 1,020 | 7.98%, see rank | 7.36% | 7.14% |
| 20 to 24 years | 622 | 4.86%, see rank | 6.90% | 6.99% |
| 25 to 34 years | 1,566 | 12.25%, see rank | 13.33% | 13.30% |
| 35 to 44 years | 1,443 | 11.29%, see rank | 12.22% | 13.30% |
| 45 to 54 years | 1,503 | 11.76%, see rank | 13.30% | 14.58% |
| 55 to 64 years | 1,189 | 9.30%, see rank | 11.50% | 11.82% |
| 65 to 74 years | 866 | 6.77%, see rank | 6.99% | 7.03% |
| 75 to 84 | 529 | 4.14%, see rank | 3.82% | 4.23% |
| 85 years and over | 248 | 1.94%, see rank | 1.61% | 1.78% |
ACS 2008-2012 data
Total population: 12,739
Median Age (
see rank)
| Franklin County | 32.00 years old |
| Idaho | 34.70 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Franklin County | 30.80 years old |
| Idaho | 33.80 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Franklin County | 32.90 years old |
| Idaho | 35.50 years old |
| U.S. | 38.50 years old |
| | Franklin County | % of the Total Population | Idaho | U.S. |
| Under 5 years | 1,170 | 9.18%, see rank | 7.63% | 6.51% |
| 5 to 9 years | 1,301 | 10.21%, see rank | 7.59% | 6.57% |
| 10 to 14 years | 1,294 | 10.16%, see rank | 7.52% | 6.68% |
| 15 to 19 years | 1,046 | 8.21%, see rank | 7.34% | 7.09% |
| 20 to 24 years | 637 | 5.00%, see rank | 7.03% | 7.04% |
| 25 to 34 years | 1,471 | 11.55%, see rank | 13.30% | 13.32% |
| 35 to 44 years | 1,480 | 11.62%, see rank | 12.28% | 13.34% |
| 45 to 54 years | 1,484 | 11.65%, see rank | 13.21% | 14.44% |
| 55 to 64 years | 1,232 | 9.67%, see rank | 11.57% | 11.84% |
| 65 to 74 years | 859 | 6.74%, see rank | 7.09% | 7.12% |
| 75 to 84 | 490 | 3.85%, see rank | 3.88% | 4.25% |
| 85 years and over | 275 | 2.16%, see rank | 1.57% | 1.78% |
ACS 2006-2010 data
Total population: 12,497
Median Age (
see rank)
| Franklin County | 31.50 years old |
| Idaho | 34.40 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| Franklin County | 30.20 years old |
| Idaho | 33.50 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| Franklin County | 32.70 years old |
| Idaho | 35.30 years old |
| U.S. | 38.10 years old |
| | Franklin County | % of the Total Population | Idaho | U.S. |
| Under 5 years | 1,199 | 9.59%, see rank | 7.80% | 6.62% |
| 5 to 9 years | 1,295 | 10.36%, see rank | 7.58% | 6.62% |
| 10 to 14 years | 1,211 | 9.69%, see rank | 7.51% | 6.79% |
| 15 to 19 years | 1,047 | 8.38%, see rank | 7.58% | 7.28% |
| 20 to 24 years | 604 | 4.83%, see rank | 7.13% | 6.98% |
| 25 to 34 years | 1,505 | 12.04%, see rank | 13.18% | 13.22% |
| 35 to 44 years | 1,357 | 10.86%, see rank | 12.62% | 13.89% |
| 45 to 54 years | 1,537 | 12.30%, see rank | 13.58% | 14.57% |
| 55 to 64 years | 1,151 | 9.21%, see rank | 11.02% | 11.28% |
| 65 to 74 years | 824 | 6.59%, see rank | 6.60% | 6.74% |
| 75 to 84 | 547 | 4.38%, see rank | 3.85% | 4.30% |
| 85 years and over | 220 | 1.76%, see rank | 1.54% | 1.70% |
ACS 2005-2009 data
Total population: 12,272
Median Age (
see rank)
| Franklin County | 31.60 years old |
| Idaho | 34.00 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| Franklin County | 30.10 years old |
| Idaho | 33.20 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| Franklin County | 33.10 years old |
| Idaho | 34.90 years old |
| U.S. | 37.90 years old |
| | Franklin County | % of the Total Population | Idaho | U.S. |
| Under 5 years | 1,168 | 9.52%, see rank | 7.96% | 6.92% |
| 5 to 9 years | 1,165 | 9.49%, see rank | 7.32% | 6.59% |
| 10 to 14 years | 1,221 | 9.95%, see rank | 7.43% | 6.83% |
| 15 to 19 years | 1,065 | 8.68%, see rank | 7.66% | 7.15% |
| 20 to 24 years | 628 | 5.12%, see rank | 7.55% | 7.02% |
| 25 to 34 years | 1,471 | 11.99%, see rank | 13.33% | 13.42% |
| 35 to 44 years | 1,360 | 11.08%, see rank | 12.81% | 14.18% |
| 45 to 54 years | 1,553 | 12.65%, see rank | 13.56% | 14.48% |
| 55 to 64 years | 1,149 | 9.36%, see rank | 10.64% | 10.81% |
| 65 to 74 years | 795 | 6.48%, see rank | 6.26% | 6.50% |
| 75 to 84 | 503 | 4.10%, see rank | 3.91% | 4.40% |
| 85 years and over | 194 | 1.58%, see rank | 1.57% | 1.71% |
US Census 2000 data
Total population: 11,329
Median Age (
see rank)
| Franklin County | 27.70 years old |
| Idaho | 33.20 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| Franklin County | 26.90 years old |
| Idaho | 32.20 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| Franklin County | 28.60 years old |
| Idaho | 34.20 years old |
| U.S. | 36.50 years old |
| | Franklin County | % of the Total Population | Idaho | U.S. |
| Under 5 years | 1,130 | 9.97%, see rank | 7.55% | 6.81% |
| 5 to 9 years | 1,130 | 9.97%, see rank | 7.79% | 7.30% |
| 10 to 14 years | 1,199 | 10.58%, see rank | 8.08% | 7.29% |
| 15 to 19 years | 1,114 | 9.83%, see rank | 8.57% | 7.18% |
| 20 to 24 years | 710 | 6.27%, see rank | 7.26% | 6.74% |
| 25 to 34 years | 1,326 | 11.70%, see rank | 13.09% | 14.18% |
| 35 to 44 years | 1,417 | 12.51%, see rank | 14.91% | 16.04% |
| 45 to 54 years | 1,141 | 10.07%, see rank | 13.16% | 13.39% |
| 55 to 64 years | 841 | 7.42%, see rank | 8.31% | 8.63% |
| 65 to 74 years | 621 | 5.48%, see rank | 5.87% | 6.54% |
| 75 to 84 | 497 | 4.39%, see rank | 4.01% | 4.39% |
| 85 years and over | 203 | 1.79%, see rank | 1.40% | 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.
