Blaine County Historical Age Data
ACS 2010-2014 data
Total population: 21,269
Median Age (
see rank)
| Blaine County | 42.40 years old |
| Idaho | 35.20 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| Blaine County | 41.80 years old |
| Idaho | 34.40 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| Blaine County | 43.00 years old |
| Idaho | 36.00 years old |
| U.S. | 38.80 years old |
| | Blaine County | % of the Total Population | Idaho | U.S. |
| Under 5 years | 1,271 | 5.98%, see rank | 7.27% | 6.36% |
| 5 to 9 years | 1,392 | 6.54%, see rank | 7.53% | 6.51% |
| 10 to 14 years | 1,567 | 7.37%, see rank | 7.64% | 6.59% |
| 15 to 19 years | 1,103 | 5.19%, see rank | 7.12% | 6.85% |
| 20 to 24 years | 1,003 | 4.72%, see rank | 6.95% | 7.13% |
| 25 to 34 years | 2,397 | 11.27%, see rank | 13.25% | 13.47% |
| 35 to 44 years | 2,748 | 12.92%, see rank | 12.21% | 12.96% |
| 45 to 54 years | 3,511 | 16.51%, see rank | 12.71% | 14.09% |
| 55 to 64 years | 3,284 | 15.44%, see rank | 11.98% | 12.29% |
| 65 to 74 years | 1,993 | 9.37%, see rank | 7.76% | 7.64% |
| 75 to 84 | 847 | 3.98%, see rank | 3.98% | 4.25% |
| 85 years and over | 153 | 0.72%, see rank | 1.60% | 1.85% |
US Census 2010 data
Total population: 21,376
Median Age (
see rank)
| Blaine County | 40.40 years old |
| Idaho | 34.60 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Blaine County | 40.00 years old |
| Idaho | 33.70 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Blaine County | 40.80 years old |
| Idaho | 35.40 years old |
| U.S. | 38.50 years old |
| | Blaine County | % of the Total Population | Idaho | U.S. |
| Under 5 years | 1,414 | 6.61%, see rank | 7.77% | 6.54% |
| 5 to 9 years | 1,537 | 7.19%, see rank | 7.73% | 6.59% |
| 10 to 14 years | 1,397 | 6.54%, see rank | 7.46% | 6.70% |
| 15 to 19 years | 1,213 | 5.67%, see rank | 7.36% | 7.14% |
| 20 to 24 years | 903 | 4.22%, see rank | 6.90% | 6.99% |
| 25 to 34 years | 2,658 | 12.43%, see rank | 13.33% | 13.30% |
| 35 to 44 years | 2,964 | 13.87%, see rank | 12.22% | 13.30% |
| 45 to 54 years | 3,596 | 16.82%, see rank | 13.30% | 14.58% |
| 55 to 64 years | 3,218 | 15.05%, see rank | 11.50% | 11.82% |
| 65 to 74 years | 1,663 | 7.78%, see rank | 6.99% | 7.03% |
| 75 to 84 | 627 | 2.93%, see rank | 3.82% | 4.23% |
| 85 years and over | 186 | 0.87%, see rank | 1.61% | 1.78% |
ACS 2008-2012 data
Total population: 21,323
Median Age (
see rank)
| Blaine County | 40.60 years old |
| Idaho | 34.70 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Blaine County | 38.90 years old |
| Idaho | 33.80 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Blaine County | 41.40 years old |
| Idaho | 35.50 years old |
| U.S. | 38.50 years old |
| | Blaine County | % of the Total Population | Idaho | U.S. |
| Under 5 years | 1,392 | 6.53%, see rank | 7.63% | 6.51% |
| 5 to 9 years | 1,259 | 5.90%, see rank | 7.59% | 6.57% |
| 10 to 14 years | 1,656 | 7.77%, see rank | 7.52% | 6.68% |
| 15 to 19 years | 1,064 | 4.99%, see rank | 7.34% | 7.09% |
| 20 to 24 years | 1,057 | 4.96%, see rank | 7.03% | 7.04% |
| 25 to 34 years | 2,632 | 12.34%, see rank | 13.30% | 13.32% |
| 35 to 44 years | 3,008 | 14.11%, see rank | 12.28% | 13.34% |
| 45 to 54 years | 3,542 | 16.61%, see rank | 13.21% | 14.44% |
| 55 to 64 years | 3,143 | 14.74%, see rank | 11.57% | 11.84% |
| 65 to 74 years | 1,698 | 7.96%, see rank | 7.09% | 7.12% |
| 75 to 84 | 712 | 3.34%, see rank | 3.88% | 4.25% |
| 85 years and over | 160 | 0.75%, see rank | 1.57% | 1.78% |
ACS 2006-2010 data
Total population: 21,329
Median Age (
see rank)
| Blaine County | 39.50 years old |
| Idaho | 34.40 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| Blaine County | 38.50 years old |
| Idaho | 33.50 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| Blaine County | 41.10 years old |
| Idaho | 35.30 years old |
| U.S. | 38.10 years old |
| | Blaine County | % of the Total Population | Idaho | U.S. |
| Under 5 years | 1,458 | 6.84%, see rank | 7.80% | 6.62% |
| 5 to 9 years | 1,253 | 5.87%, see rank | 7.58% | 6.62% |
| 10 to 14 years | 1,588 | 7.45%, see rank | 7.51% | 6.79% |
| 15 to 19 years | 1,046 | 4.90%, see rank | 7.58% | 7.28% |
| 20 to 24 years | 1,216 | 5.70%, see rank | 7.13% | 6.98% |
| 25 to 34 years | 2,742 | 12.86%, see rank | 13.18% | 13.22% |
| 35 to 44 years | 3,084 | 14.46%, see rank | 12.62% | 13.89% |
| 45 to 54 years | 3,753 | 17.60%, see rank | 13.58% | 14.57% |
| 55 to 64 years | 2,957 | 13.86%, see rank | 11.02% | 11.28% |
| 65 to 74 years | 1,429 | 6.70%, see rank | 6.60% | 6.74% |
| 75 to 84 | 701 | 3.29%, see rank | 3.85% | 4.30% |
| 85 years and over | 102 | 0.48%, see rank | 1.54% | 1.70% |
ACS 2005-2009 data
Total population: 21,775
Median Age (
see rank)
| Blaine County | 38.80 years old |
| Idaho | 34.00 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| Blaine County | 38.10 years old |
| Idaho | 33.20 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| Blaine County | 40.60 years old |
| Idaho | 34.90 years old |
| U.S. | 37.90 years old |
| | Blaine County | % of the Total Population | Idaho | U.S. |
| Under 5 years | 1,507 | 6.92%, see rank | 7.96% | 6.92% |
| 5 to 9 years | 1,218 | 5.59%, see rank | 7.32% | 6.59% |
| 10 to 14 years | 1,500 | 6.89%, see rank | 7.43% | 6.83% |
| 15 to 19 years | 1,258 | 5.78%, see rank | 7.66% | 7.15% |
| 20 to 24 years | 1,392 | 6.39%, see rank | 7.55% | 7.02% |
| 25 to 34 years | 2,887 | 13.26%, see rank | 13.33% | 13.42% |
| 35 to 44 years | 3,120 | 14.33%, see rank | 12.81% | 14.18% |
| 45 to 54 years | 3,745 | 17.20%, see rank | 13.56% | 14.48% |
| 55 to 64 years | 2,973 | 13.65%, see rank | 10.64% | 10.81% |
| 65 to 74 years | 1,319 | 6.06%, see rank | 6.26% | 6.50% |
| 75 to 84 | 749 | 3.44%, see rank | 3.91% | 4.40% |
| 85 years and over | 107 | 0.49%, see rank | 1.57% | 1.71% |
US Census 2000 data
Total population: 18,991
Median Age (
see rank)
| Blaine County | 37.40 years old |
| Idaho | 33.20 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| Blaine County | 36.30 years old |
| Idaho | 32.20 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| Blaine County | 38.50 years old |
| Idaho | 34.20 years old |
| U.S. | 36.50 years old |
| | Blaine County | % of the Total Population | Idaho | U.S. |
| Under 5 years | 1,117 | 5.88%, see rank | 7.55% | 6.81% |
| 5 to 9 years | 1,262 | 6.65%, see rank | 7.79% | 7.30% |
| 10 to 14 years | 1,400 | 7.37%, see rank | 8.08% | 7.29% |
| 15 to 19 years | 1,182 | 6.22%, see rank | 8.57% | 7.18% |
| 20 to 24 years | 1,060 | 5.58%, see rank | 7.26% | 6.74% |
| 25 to 34 years | 2,753 | 14.50%, see rank | 13.09% | 14.18% |
| 35 to 44 years | 3,443 | 18.13%, see rank | 14.91% | 16.04% |
| 45 to 54 years | 3,429 | 18.06%, see rank | 13.16% | 13.39% |
| 55 to 64 years | 1,863 | 9.81%, see rank | 8.31% | 8.63% |
| 65 to 74 years | 947 | 4.99%, see rank | 5.87% | 6.54% |
| 75 to 84 | 399 | 2.10%, see rank | 4.01% | 4.39% |
| 85 years and over | 136 | 0.72%, 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.
