San Juan County Historical Age Data
ACS 2010-2014 data
Total population: 15,847
Median Age (
see rank)
| San Juan County | 53.80 years old |
| Washington | 37.40 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| San Juan County | 53.50 years old |
| Washington | 36.30 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| San Juan County | 54.10 years old |
| Washington | 38.40 years old |
| U.S. | 38.80 years old |
| | San Juan County | % of the Total Population | Washington | U.S. |
| Under 5 years | 485 | 3.06%, see rank | 6.43% | 6.36% |
| 5 to 9 years | 690 | 4.35%, see rank | 6.33% | 6.51% |
| 10 to 14 years | 695 | 4.39%, see rank | 6.40% | 6.59% |
| 15 to 19 years | 731 | 4.61%, see rank | 6.49% | 6.85% |
| 20 to 24 years | 517 | 3.26%, see rank | 7.01% | 7.13% |
| 25 to 34 years | 1,295 | 8.17%, see rank | 14.18% | 13.47% |
| 35 to 44 years | 1,526 | 9.63%, see rank | 13.23% | 12.96% |
| 45 to 54 years | 2,296 | 14.49%, see rank | 13.98% | 14.09% |
| 55 to 64 years | 3,393 | 21.41%, see rank | 12.78% | 12.29% |
| 65 to 74 years | 2,675 | 16.88%, see rank | 7.59% | 7.64% |
| 75 to 84 | 1,059 | 6.68%, see rank | 3.81% | 4.25% |
| 85 years and over | 485 | 3.06%, see rank | 1.78% | 1.85% |
US Census 2010 data
Total population: 15,769
Median Age (
see rank)
| San Juan County | 52.70 years old |
| Washington | 37.30 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| San Juan County | 52.50 years old |
| Washington | 36.20 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| San Juan County | 52.70 years old |
| Washington | 38.30 years old |
| U.S. | 38.50 years old |
| | San Juan County | % of the Total Population | Washington | U.S. |
| Under 5 years | 539 | 3.42%, see rank | 6.54% | 6.54% |
| 5 to 9 years | 647 | 4.10%, see rank | 6.39% | 6.59% |
| 10 to 14 years | 776 | 4.92%, see rank | 6.52% | 6.70% |
| 15 to 19 years | 746 | 4.73%, see rank | 6.87% | 7.14% |
| 20 to 24 years | 511 | 3.24%, see rank | 6.86% | 6.99% |
| 25 to 34 years | 1,257 | 7.97%, see rank | 13.89% | 13.30% |
| 35 to 44 years | 1,571 | 9.96%, see rank | 13.51% | 13.30% |
| 45 to 54 years | 2,522 | 15.99%, see rank | 14.70% | 14.58% |
| 55 to 64 years | 3,543 | 22.47%, see rank | 12.42% | 11.82% |
| 65 to 74 years | 2,274 | 14.42%, see rank | 6.80% | 7.03% |
| 75 to 84 | 931 | 5.90%, see rank | 3.77% | 4.23% |
| 85 years and over | 452 | 2.87%, see rank | 1.74% | 1.78% |
ACS 2008-2012 data
Total population: 15,740
Median Age (
see rank)
| San Juan County | 52.90 years old |
| Washington | 37.20 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| San Juan County | 52.60 years old |
| Washington | 36.20 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| San Juan County | 53.20 years old |
| Washington | 38.30 years old |
| U.S. | 38.50 years old |
| | San Juan County | % of the Total Population | Washington | U.S. |
| Under 5 years | 505 | 3.21%, see rank | 6.50% | 6.51% |
| 5 to 9 years | 619 | 3.93%, see rank | 6.35% | 6.57% |
| 10 to 14 years | 801 | 5.09%, see rank | 6.50% | 6.68% |
| 15 to 19 years | 765 | 4.86%, see rank | 6.79% | 7.09% |
| 20 to 24 years | 473 | 3.01%, see rank | 6.98% | 7.04% |
| 25 to 34 years | 1,259 | 8.00%, see rank | 13.94% | 13.32% |
| 35 to 44 years | 1,514 | 9.62%, see rank | 13.54% | 13.34% |
| 45 to 54 years | 2,602 | 16.53%, see rank | 14.56% | 14.44% |
| 55 to 64 years | 3,509 | 22.29%, see rank | 12.43% | 11.84% |
| 65 to 74 years | 2,284 | 14.51%, see rank | 6.90% | 7.12% |
| 75 to 84 | 991 | 6.30%, see rank | 3.83% | 4.25% |
| 85 years and over | 418 | 2.66%, see rank | 1.70% | 1.78% |
ACS 2006-2010 data
Total population: 15,551
Median Age (
see rank)
| San Juan County | 51.90 years old |
| Washington | 37.00 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| San Juan County | 51.50 years old |
| Washington | 36.00 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| San Juan County | 52.30 years old |
| Washington | 38.00 years old |
| U.S. | 38.10 years old |
| | San Juan County | % of the Total Population | Washington | U.S. |
| Under 5 years | 518 | 3.33%, see rank | 6.50% | 6.62% |
| 5 to 9 years | 618 | 3.97%, see rank | 6.41% | 6.62% |
| 10 to 14 years | 830 | 5.34%, see rank | 6.64% | 6.79% |
| 15 to 19 years | 775 | 4.98%, see rank | 7.05% | 7.28% |
| 20 to 24 years | 467 | 3.00%, see rank | 6.94% | 6.98% |
| 25 to 34 years | 1,248 | 8.03%, see rank | 13.67% | 13.22% |
| 35 to 44 years | 1,595 | 10.26%, see rank | 14.07% | 13.89% |
| 45 to 54 years | 2,763 | 17.77%, see rank | 14.95% | 14.57% |
| 55 to 64 years | 3,431 | 22.06%, see rank | 11.86% | 11.28% |
| 65 to 74 years | 1,947 | 12.52%, see rank | 6.38% | 6.74% |
| 75 to 84 | 1,014 | 6.52%, see rank | 3.87% | 4.30% |
| 85 years and over | 345 | 2.22%, see rank | 1.65% | 1.70% |
ACS 2005-2009 data
Total population: 15,295
Median Age (
see rank)
| San Juan County | 52.00 years old |
| Washington | 36.80 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| San Juan County | 51.30 years old |
| Washington | 35.70 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| San Juan County | 52.50 years old |
| Washington | 37.80 years old |
| U.S. | 37.90 years old |
| | San Juan County | % of the Total Population | Washington | U.S. |
| Under 5 years | 546 | 3.57%, see rank | 6.67% | 6.92% |
| 5 to 9 years | 605 | 3.96%, see rank | 6.35% | 6.59% |
| 10 to 14 years | 792 | 5.18%, see rank | 6.71% | 6.83% |
| 15 to 19 years | 825 | 5.39%, see rank | 6.90% | 7.15% |
| 20 to 24 years | 613 | 4.01%, see rank | 7.03% | 7.02% |
| 25 to 34 years | 1,013 | 6.62%, see rank | 13.85% | 13.42% |
| 35 to 44 years | 1,478 | 9.66%, see rank | 14.28% | 14.18% |
| 45 to 54 years | 2,813 | 18.39%, see rank | 15.03% | 14.48% |
| 55 to 64 years | 3,316 | 21.68%, see rank | 11.43% | 10.81% |
| 65 to 74 years | 1,857 | 12.14%, see rank | 6.18% | 6.50% |
| 75 to 84 | 1,088 | 7.11%, see rank | 3.97% | 4.40% |
| 85 years and over | 349 | 2.28%, see rank | 1.61% | 1.71% |
US Census 2000 data
Total population: 14,077
Median Age (
see rank)
| San Juan County | 47.40 years old |
| Washington | 35.30 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| San Juan County | 47.20 years old |
| Washington | 34.40 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| San Juan County | 47.60 years old |
| Washington | 36.30 years old |
| U.S. | 36.50 years old |
| | San Juan County | % of the Total Population | Washington | U.S. |
| Under 5 years | 525 | 3.73%, see rank | 6.69% | 6.81% |
| 5 to 9 years | 729 | 5.18%, see rank | 7.23% | 7.30% |
| 10 to 14 years | 942 | 6.69%, see rank | 7.38% | 7.29% |
| 15 to 19 years | 726 | 5.16%, see rank | 7.26% | 7.18% |
| 20 to 24 years | 413 | 2.93%, see rank | 6.62% | 6.74% |
| 25 to 34 years | 1,025 | 7.28%, see rank | 14.27% | 14.18% |
| 35 to 44 years | 2,027 | 14.40%, see rank | 16.54% | 16.04% |
| 45 to 54 years | 2,886 | 20.50%, see rank | 14.35% | 13.39% |
| 55 to 64 years | 2,134 | 15.16%, see rank | 8.43% | 8.63% |
| 65 to 74 years | 1,415 | 10.05%, see rank | 5.72% | 6.54% |
| 75 to 84 | 967 | 6.87%, see rank | 4.09% | 4.39% |
| 85 years and over | 288 | 2.05%, see rank | 1.43% | 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.
