Polk County Historical Age Data
ACS 2010-2014 data
Total population: 76,464
Median Age (
see rank)
| Polk County | 37.40 years old |
| Oregon | 38.90 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| Polk County | 36.30 years old |
| Oregon | 37.90 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| Polk County | 38.30 years old |
| Oregon | 40.00 years old |
| U.S. | 38.80 years old |
| | Polk County | % of the Total Population | Oregon | U.S. |
| Under 5 years | 4,602 | 6.02%, see rank | 5.94% | 6.36% |
| 5 to 9 years | 5,131 | 6.71%, see rank | 6.15% | 6.51% |
| 10 to 14 years | 5,212 | 6.82%, see rank | 6.18% | 6.59% |
| 15 to 19 years | 6,390 | 8.36%, see rank | 6.35% | 6.85% |
| 20 to 24 years | 6,742 | 8.82%, see rank | 6.73% | 7.13% |
| 25 to 34 years | 8,244 | 10.78%, see rank | 13.65% | 13.47% |
| 35 to 44 years | 8,751 | 11.44%, see rank | 13.02% | 12.96% |
| 45 to 54 years | 9,382 | 12.27%, see rank | 13.44% | 14.09% |
| 55 to 64 years | 9,824 | 12.85%, see rank | 13.61% | 12.29% |
| 65 to 74 years | 6,729 | 8.80%, see rank | 8.49% | 7.64% |
| 75 to 84 | 3,684 | 4.82%, see rank | 4.36% | 4.25% |
| 85 years and over | 1,773 | 2.32%, see rank | 2.08% | 1.85% |
US Census 2010 data
Total population: 75,403
Median Age (
see rank)
| Polk County | 37.10 years old |
| Oregon | 38.40 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Polk County | 35.90 years old |
| Oregon | 37.30 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Polk County | 38.20 years old |
| Oregon | 39.50 years old |
| U.S. | 38.50 years old |
| | Polk County | % of the Total Population | Oregon | U.S. |
| Under 5 years | 4,887 | 6.48%, see rank | 6.20% | 6.54% |
| 5 to 9 years | 4,907 | 6.51%, see rank | 6.19% | 6.59% |
| 10 to 14 years | 5,322 | 7.06%, see rank | 6.33% | 6.70% |
| 15 to 19 years | 6,100 | 8.09%, see rank | 6.65% | 7.14% |
| 20 to 24 years | 5,967 | 7.91%, see rank | 6.61% | 6.99% |
| 25 to 34 years | 8,795 | 11.66%, see rank | 13.68% | 13.30% |
| 35 to 44 years | 8,723 | 11.57%, see rank | 13.04% | 13.30% |
| 45 to 54 years | 9,777 | 12.97%, see rank | 14.07% | 14.58% |
| 55 to 64 years | 9,773 | 12.96%, see rank | 13.30% | 11.82% |
| 65 to 74 years | 5,879 | 7.80%, see rank | 7.57% | 7.03% |
| 75 to 84 | 3,635 | 4.82%, see rank | 4.32% | 4.23% |
| 85 years and over | 1,638 | 2.17%, see rank | 2.03% | 1.78% |
ACS 2008-2012 data
Total population: 75,448
Median Age (
see rank)
| Polk County | 37.40 years old |
| Oregon | 38.40 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Polk County | 36.00 years old |
| Oregon | 37.30 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Polk County | 38.50 years old |
| Oregon | 39.50 years old |
| U.S. | 38.50 years old |
| | Polk County | % of the Total Population | Oregon | U.S. |
| Under 5 years | 4,690 | 6.22%, see rank | 6.12% | 6.51% |
| 5 to 9 years | 4,796 | 6.36%, see rank | 6.23% | 6.57% |
| 10 to 14 years | 5,534 | 7.33%, see rank | 6.28% | 6.68% |
| 15 to 19 years | 6,030 | 7.99%, see rank | 6.59% | 7.09% |
| 20 to 24 years | 6,369 | 8.44%, see rank | 6.70% | 7.04% |
| 25 to 34 years | 8,481 | 11.24%, see rank | 13.67% | 13.32% |
| 35 to 44 years | 8,822 | 11.69%, see rank | 13.07% | 13.34% |
| 45 to 54 years | 9,646 | 12.78%, see rank | 13.98% | 14.44% |
| 55 to 64 years | 9,633 | 12.77%, see rank | 13.28% | 11.84% |
| 65 to 74 years | 6,071 | 8.05%, see rank | 7.70% | 7.12% |
| 75 to 84 | 3,536 | 4.69%, see rank | 4.37% | 4.25% |
| 85 years and over | 1,840 | 2.44%, see rank | 2.02% | 1.78% |
ACS 2006-2010 data
Total population: 73,745
Median Age (
see rank)
| Polk County | 37.20 years old |
| Oregon | 38.10 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| Polk County | 36.10 years old |
| Oregon | 37.00 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| Polk County | 37.80 years old |
| Oregon | 39.10 years old |
| U.S. | 38.10 years old |
| | Polk County | % of the Total Population | Oregon | U.S. |
| Under 5 years | 4,748 | 6.44%, see rank | 6.23% | 6.62% |
| 5 to 9 years | 4,711 | 6.39%, see rank | 6.28% | 6.62% |
| 10 to 14 years | 5,377 | 7.29%, see rank | 6.38% | 6.79% |
| 15 to 19 years | 5,828 | 7.90%, see rank | 6.82% | 7.28% |
| 20 to 24 years | 6,142 | 8.33%, see rank | 6.70% | 6.98% |
| 25 to 34 years | 8,362 | 11.34%, see rank | 13.53% | 13.22% |
| 35 to 44 years | 8,787 | 11.92%, see rank | 13.38% | 13.89% |
| 45 to 54 years | 9,881 | 13.40%, see rank | 14.52% | 14.57% |
| 55 to 64 years | 9,101 | 12.34%, see rank | 12.68% | 11.28% |
| 65 to 74 years | 5,520 | 7.49%, see rank | 7.10% | 6.74% |
| 75 to 84 | 2,992 | 4.06%, see rank | 4.43% | 4.30% |
| 85 years and over | 2,296 | 3.11%, see rank | 1.97% | 1.70% |
ACS 2005-2009 data
Total population: 74,550
Median Age (
see rank)
| Polk County | 38.00 years old |
| Oregon | 37.70 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| Polk County | 36.50 years old |
| Oregon | 36.70 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| Polk County | 39.00 years old |
| Oregon | 38.80 years old |
| U.S. | 37.90 years old |
| | Polk County | % of the Total Population | Oregon | U.S. |
| Under 5 years | 4,411 | 5.92%, see rank | 6.41% | 6.92% |
| 5 to 9 years | 4,616 | 6.19%, see rank | 6.31% | 6.59% |
| 10 to 14 years | 5,560 | 7.46%, see rank | 6.40% | 6.83% |
| 15 to 19 years | 6,200 | 8.32%, see rank | 6.74% | 7.15% |
| 20 to 24 years | 7,264 | 9.74%, see rank | 6.90% | 7.02% |
| 25 to 34 years | 6,824 | 9.15%, see rank | 13.51% | 13.42% |
| 35 to 44 years | 9,078 | 12.18%, see rank | 13.58% | 14.18% |
| 45 to 54 years | 9,950 | 13.35%, see rank | 14.80% | 14.48% |
| 55 to 64 years | 8,674 | 11.64%, see rank | 12.19% | 10.81% |
| 65 to 74 years | 5,530 | 7.42%, see rank | 6.78% | 6.50% |
| 75 to 84 | 3,687 | 4.95%, see rank | 4.43% | 4.40% |
| 85 years and over | 2,756 | 3.70%, see rank | 1.96% | 1.71% |
US Census 2000 data
Total population: 62,380
Median Age (
see rank)
| Polk County | 36.50 years old |
| Oregon | 36.30 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| Polk County | 34.80 years old |
| Oregon | 35.10 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| Polk County | 38.00 years old |
| Oregon | 37.50 years old |
| U.S. | 36.50 years old |
| | Polk County | % of the Total Population | Oregon | U.S. |
| Under 5 years | 3,922 | 6.29%, see rank | 6.52% | 6.81% |
| 5 to 9 years | 4,298 | 6.89%, see rank | 6.85% | 7.30% |
| 10 to 14 years | 4,735 | 7.59%, see rank | 7.08% | 7.29% |
| 15 to 19 years | 5,197 | 8.33%, see rank | 7.14% | 7.18% |
| 20 to 24 years | 4,948 | 7.93%, see rank | 6.73% | 6.74% |
| 25 to 34 years | 6,884 | 11.04%, see rank | 13.76% | 14.18% |
| 35 to 44 years | 8,539 | 13.69%, see rank | 15.39% | 16.04% |
| 45 to 54 years | 9,085 | 14.56%, see rank | 14.82% | 13.39% |
| 55 to 64 years | 5,529 | 8.86%, see rank | 8.90% | 8.63% |
| 65 to 74 years | 4,238 | 6.79%, see rank | 6.41% | 6.54% |
| 75 to 84 | 3,427 | 5.49%, see rank | 4.72% | 4.39% |
| 85 years and over | 1,578 | 2.53%, see rank | 1.68% | 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.
