Siskiyou County Historical Age Data
ACS 2010-2014 data
Total population: 44,261
Median Age (
see rank)
| Siskiyou County | 47.30 years old |
| California | 35.60 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| Siskiyou County | 45.70 years old |
| California | 34.50 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| Siskiyou County | 48.80 years old |
| California | 36.80 years old |
| U.S. | 38.80 years old |
| | Siskiyou County | % of the Total Population | California | U.S. |
| Under 5 years | 2,367 | 5.35%, see rank | 6.62% | 6.36% |
| 5 to 9 years | 2,717 | 6.14%, see rank | 6.65% | 6.51% |
| 10 to 14 years | 2,372 | 5.36%, see rank | 6.70% | 6.59% |
| 15 to 19 years | 2,597 | 5.87%, see rank | 7.12% | 6.85% |
| 20 to 24 years | 2,244 | 5.07%, see rank | 7.58% | 7.13% |
| 25 to 34 years | 4,319 | 9.76%, see rank | 14.48% | 13.47% |
| 35 to 44 years | 4,460 | 10.08%, see rank | 13.60% | 12.96% |
| 45 to 54 years | 5,984 | 13.52%, see rank | 13.79% | 14.09% |
| 55 to 64 years | 7,838 | 17.71%, see rank | 11.32% | 12.29% |
| 65 to 74 years | 5,548 | 12.53%, see rank | 6.71% | 7.64% |
| 75 to 84 | 2,611 | 5.90%, see rank | 3.72% | 4.25% |
| 85 years and over | 1,204 | 2.72%, see rank | 1.70% | 1.85% |
US Census 2010 data
Total population: 44,900
Median Age (
see rank)
| Siskiyou County | 47.00 years old |
| California | 35.20 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Siskiyou County | 45.70 years old |
| California | 34.00 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Siskiyou County | 48.20 years old |
| California | 36.30 years old |
| U.S. | 38.50 years old |
| | Siskiyou County | % of the Total Population | California | U.S. |
| Under 5 years | 2,473 | 5.51%, see rank | 6.79% | 6.54% |
| 5 to 9 years | 2,410 | 5.37%, see rank | 6.73% | 6.59% |
| 10 to 14 years | 2,726 | 6.07%, see rank | 6.95% | 6.70% |
| 15 to 19 years | 2,757 | 6.14%, see rank | 7.58% | 7.14% |
| 20 to 24 years | 2,178 | 4.85%, see rank | 7.42% | 6.99% |
| 25 to 34 years | 4,277 | 9.53%, see rank | 14.27% | 13.30% |
| 35 to 44 years | 4,536 | 10.10%, see rank | 13.91% | 13.30% |
| 45 to 54 years | 6,910 | 15.39%, see rank | 14.10% | 14.58% |
| 55 to 64 years | 7,851 | 17.49%, see rank | 10.84% | 11.82% |
| 65 to 74 years | 4,941 | 11.00%, see rank | 6.11% | 7.03% |
| 75 to 84 | 2,689 | 5.99%, see rank | 3.68% | 4.23% |
| 85 years and over | 1,152 | 2.57%, see rank | 1.61% | 1.78% |
ACS 2008-2012 data
Total population: 44,673
Median Age (
see rank)
| Siskiyou County | 47.00 years old |
| California | 35.20 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Siskiyou County | 45.40 years old |
| California | 34.10 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Siskiyou County | 48.50 years old |
| California | 36.40 years old |
| U.S. | 38.50 years old |
| | Siskiyou County | % of the Total Population | California | U.S. |
| Under 5 years | 2,389 | 5.35%, see rank | 6.82% | 6.51% |
| 5 to 9 years | 2,634 | 5.90%, see rank | 6.71% | 6.57% |
| 10 to 14 years | 2,486 | 5.56%, see rank | 6.91% | 6.68% |
| 15 to 19 years | 2,770 | 6.20%, see rank | 7.47% | 7.09% |
| 20 to 24 years | 2,191 | 4.90%, see rank | 7.49% | 7.04% |
| 25 to 34 years | 4,227 | 9.46%, see rank | 14.32% | 13.32% |
| 35 to 44 years | 4,560 | 10.21%, see rank | 13.93% | 13.34% |
| 45 to 54 years | 6,705 | 15.01%, see rank | 14.00% | 14.44% |
| 55 to 64 years | 7,792 | 17.44%, see rank | 10.85% | 11.84% |
| 65 to 74 years | 5,057 | 11.32%, see rank | 6.20% | 7.12% |
| 75 to 84 | 2,782 | 6.23%, see rank | 3.70% | 4.25% |
| 85 years and over | 1,080 | 2.42%, see rank | 1.62% | 1.78% |
ACS 2006-2010 data
Total population: 44,690
Median Age (
see rank)
| Siskiyou County | 46.50 years old |
| California | 34.90 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| Siskiyou County | 45.10 years old |
| California | 33.70 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| Siskiyou County | 47.60 years old |
| California | 36.00 years old |
| U.S. | 38.10 years old |
| | Siskiyou County | % of the Total Population | California | U.S. |
| Under 5 years | 2,287 | 5.12%, see rank | 6.95% | 6.62% |
| 5 to 9 years | 2,483 | 5.56%, see rank | 6.78% | 6.62% |
| 10 to 14 years | 2,603 | 5.82%, see rank | 7.12% | 6.79% |
| 15 to 19 years | 3,064 | 6.86%, see rank | 7.65% | 7.28% |
| 20 to 24 years | 2,138 | 4.78%, see rank | 7.37% | 6.98% |
| 25 to 34 years | 3,996 | 8.94%, see rank | 14.29% | 13.22% |
| 35 to 44 years | 4,867 | 10.89%, see rank | 14.43% | 13.89% |
| 45 to 54 years | 7,241 | 16.20%, see rank | 14.05% | 14.57% |
| 55 to 64 years | 7,456 | 16.68%, see rank | 10.28% | 11.28% |
| 65 to 74 years | 4,703 | 10.52%, see rank | 5.83% | 6.74% |
| 75 to 84 | 2,871 | 6.42%, see rank | 3.73% | 4.30% |
| 85 years and over | 981 | 2.20%, see rank | 1.52% | 1.70% |
ACS 2005-2009 data
Total population: 44,404
Median Age (
see rank)
| Siskiyou County | 46.60 years old |
| California | 34.60 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| Siskiyou County | 44.80 years old |
| California | 33.40 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| Siskiyou County | 47.80 years old |
| California | 35.70 years old |
| U.S. | 37.90 years old |
| | Siskiyou County | % of the Total Population | California | U.S. |
| Under 5 years | 2,330 | 5.25%, see rank | 7.44% | 6.92% |
| 5 to 9 years | 2,434 | 5.48%, see rank | 6.82% | 6.59% |
| 10 to 14 years | 2,636 | 5.94%, see rank | 7.26% | 6.83% |
| 15 to 19 years | 3,201 | 7.21%, see rank | 7.34% | 7.15% |
| 20 to 24 years | 2,269 | 5.11%, see rank | 7.20% | 7.02% |
| 25 to 34 years | 3,534 | 7.96%, see rank | 14.55% | 13.42% |
| 35 to 44 years | 4,800 | 10.81%, see rank | 14.71% | 14.18% |
| 45 to 54 years | 7,506 | 16.90%, see rank | 13.94% | 14.48% |
| 55 to 64 years | 7,346 | 16.54%, see rank | 9.81% | 10.81% |
| 65 to 74 years | 4,462 | 10.05%, see rank | 5.65% | 6.50% |
| 75 to 84 | 2,817 | 6.34%, see rank | 3.79% | 4.40% |
| 85 years and over | 1,069 | 2.41%, see rank | 1.50% | 1.71% |
US Census 2000 data
Total population: 44,301
Median Age (
see rank)
| Siskiyou County | 43.00 years old |
| California | 33.30 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| Siskiyou County | 42.20 years old |
| California | 32.20 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| Siskiyou County | 43.80 years old |
| California | 34.40 years old |
| U.S. | 36.50 years old |
| | Siskiyou County | % of the Total Population | California | U.S. |
| Under 5 years | 2,260 | 5.10%, see rank | 7.34% | 6.81% |
| 5 to 9 years | 2,710 | 6.12%, see rank | 8.05% | 7.30% |
| 10 to 14 years | 3,414 | 7.71%, see rank | 7.59% | 7.29% |
| 15 to 19 years | 3,394 | 7.66%, see rank | 7.24% | 7.18% |
| 20 to 24 years | 1,829 | 4.13%, see rank | 7.03% | 6.74% |
| 25 to 34 years | 3,684 | 8.32%, see rank | 15.44% | 14.18% |
| 35 to 44 years | 6,367 | 14.37%, see rank | 16.19% | 16.04% |
| 45 to 54 years | 7,444 | 16.80%, see rank | 12.79% | 13.39% |
| 55 to 64 years | 5,159 | 11.65%, see rank | 7.72% | 8.63% |
| 65 to 74 years | 4,228 | 9.54%, see rank | 5.57% | 6.54% |
| 75 to 84 | 2,918 | 6.59%, see rank | 3.79% | 4.39% |
| 85 years and over | 894 | 2.02%, see rank | 1.26% | 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.
