Riley County Historical Age Data
ACS 2010-2014 data
Total population: 74,478
Median Age (
see rank)
| Riley County | 24.60 years old |
| Kansas | 36.00 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| Riley County | 24.50 years old |
| Kansas | 34.70 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| Riley County | 25.10 years old |
| Kansas | 37.40 years old |
| U.S. | 38.80 years old |
| | Riley County | % of the Total Population | Kansas | U.S. |
| Under 5 years | 5,206 | 6.99%, see rank | 7.03% | 6.36% |
| 5 to 9 years | 3,837 | 5.15%, see rank | 7.08% | 6.51% |
| 10 to 14 years | 2,813 | 3.78%, see rank | 6.92% | 6.59% |
| 15 to 19 years | 8,061 | 10.82%, see rank | 7.03% | 6.85% |
| 20 to 24 years | 18,152 | 24.37%, see rank | 7.35% | 7.13% |
| 25 to 34 years | 13,887 | 18.65%, see rank | 13.33% | 13.47% |
| 35 to 44 years | 6,011 | 8.07%, see rank | 11.99% | 12.96% |
| 45 to 54 years | 5,656 | 7.59%, see rank | 13.40% | 14.09% |
| 55 to 64 years | 5,274 | 7.08%, see rank | 12.16% | 12.29% |
| 65 to 74 years | 2,845 | 3.82%, see rank | 7.20% | 7.64% |
| 75 to 84 | 1,837 | 2.47%, see rank | 4.38% | 4.25% |
| 85 years and over | 899 | 1.21%, see rank | 2.12% | 1.85% |
US Census 2010 data
Total population: 71,115
Median Age (
see rank)
| Riley County | 24.30 years old |
| Kansas | 36.00 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Riley County | 24.00 years old |
| Kansas | 34.70 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Riley County | 24.80 years old |
| Kansas | 37.40 years old |
| U.S. | 38.50 years old |
| | Riley County | % of the Total Population | Kansas | U.S. |
| Under 5 years | 4,835 | 6.80%, see rank | 7.20% | 6.54% |
| 5 to 9 years | 3,704 | 5.21%, see rank | 7.10% | 6.59% |
| 10 to 14 years | 2,945 | 4.14%, see rank | 6.97% | 6.70% |
| 15 to 19 years | 7,408 | 10.42%, see rank | 7.14% | 7.14% |
| 20 to 24 years | 18,325 | 25.77%, see rank | 7.17% | 6.99% |
| 25 to 34 years | 12,416 | 17.46%, see rank | 13.24% | 13.30% |
| 35 to 44 years | 5,787 | 8.14%, see rank | 12.15% | 13.30% |
| 45 to 54 years | 5,630 | 7.92%, see rank | 14.24% | 14.58% |
| 55 to 64 years | 4,857 | 6.83%, see rank | 11.61% | 11.82% |
| 65 to 74 years | 2,535 | 3.56%, see rank | 6.67% | 7.03% |
| 75 to 84 | 1,752 | 2.46%, see rank | 4.43% | 4.23% |
| 85 years and over | 921 | 1.30%, see rank | 2.08% | 1.78% |
ACS 2008-2012 data
Total population: 71,927
Median Age (
see rank)
| Riley County | 24.30 years old |
| Kansas | 36.00 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Riley County | 24.10 years old |
| Kansas | 34.70 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Riley County | 24.90 years old |
| Kansas | 37.50 years old |
| U.S. | 38.50 years old |
| | Riley County | % of the Total Population | Kansas | U.S. |
| Under 5 years | 4,852 | 6.75%, see rank | 7.11% | 6.51% |
| 5 to 9 years | 3,968 | 5.52%, see rank | 7.06% | 6.57% |
| 10 to 14 years | 2,657 | 3.69%, see rank | 6.97% | 6.68% |
| 15 to 19 years | 8,068 | 11.22%, see rank | 7.15% | 7.09% |
| 20 to 24 years | 17,868 | 24.84%, see rank | 7.24% | 7.04% |
| 25 to 34 years | 12,718 | 17.68%, see rank | 13.20% | 13.32% |
| 35 to 44 years | 5,988 | 8.33%, see rank | 12.23% | 13.34% |
| 45 to 54 years | 5,741 | 7.98%, see rank | 14.11% | 14.44% |
| 55 to 64 years | 4,892 | 6.80%, see rank | 11.66% | 11.84% |
| 65 to 74 years | 2,579 | 3.59%, see rank | 6.75% | 7.12% |
| 75 to 84 | 1,742 | 2.42%, see rank | 4.42% | 4.25% |
| 85 years and over | 854 | 1.19%, see rank | 2.10% | 1.78% |
ACS 2006-2010 data
Total population: 69,035
Median Age (
see rank)
| Riley County | 24.10 years old |
| Kansas | 36.10 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| Riley County | 23.80 years old |
| Kansas | 34.80 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| Riley County | 24.60 years old |
| Kansas | 37.50 years old |
| U.S. | 38.10 years old |
| | Riley County | % of the Total Population | Kansas | U.S. |
| Under 5 years | 4,423 | 6.41%, see rank | 7.09% | 6.62% |
| 5 to 9 years | 3,812 | 5.52%, see rank | 7.07% | 6.62% |
| 10 to 14 years | 2,493 | 3.61%, see rank | 6.98% | 6.79% |
| 15 to 19 years | 8,510 | 12.33%, see rank | 7.37% | 7.28% |
| 20 to 24 years | 17,117 | 24.79%, see rank | 7.31% | 6.98% |
| 25 to 34 years | 11,006 | 15.94%, see rank | 12.84% | 13.22% |
| 35 to 44 years | 6,015 | 8.71%, see rank | 12.73% | 13.89% |
| 45 to 54 years | 5,891 | 8.53%, see rank | 14.49% | 14.57% |
| 55 to 64 years | 4,737 | 6.86%, see rank | 11.03% | 11.28% |
| 65 to 74 years | 2,457 | 3.56%, see rank | 6.47% | 6.74% |
| 75 to 84 | 1,813 | 2.63%, see rank | 4.54% | 4.30% |
| 85 years and over | 761 | 1.10%, see rank | 2.08% | 1.70% |
ACS 2005-2009 data
Total population: 69,706
Median Age (
see rank)
| Riley County | 23.30 years old |
| Kansas | 35.90 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| Riley County | 23.00 years old |
| Kansas | 34.50 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| Riley County | 23.50 years old |
| Kansas | 37.40 years old |
| U.S. | 37.90 years old |
| | Riley County | % of the Total Population | Kansas | U.S. |
| Under 5 years | 4,566 | 6.55%, see rank | 7.15% | 6.92% |
| 5 to 9 years | 4,071 | 5.84%, see rank | 6.82% | 6.59% |
| 10 to 14 years | 2,799 | 4.02%, see rank | 6.88% | 6.83% |
| 15 to 19 years | 8,201 | 11.77%, see rank | 7.28% | 7.15% |
| 20 to 24 years | 19,918 | 28.57%, see rank | 7.95% | 7.02% |
| 25 to 34 years | 8,357 | 11.99%, see rank | 12.76% | 13.42% |
| 35 to 44 years | 6,231 | 8.94%, see rank | 13.08% | 14.18% |
| 45 to 54 years | 5,832 | 8.37%, see rank | 14.49% | 14.48% |
| 55 to 64 years | 4,478 | 6.42%, see rank | 10.61% | 10.81% |
| 65 to 74 years | 2,481 | 3.56%, see rank | 6.31% | 6.50% |
| 75 to 84 | 1,876 | 2.69%, see rank | 4.58% | 4.40% |
| 85 years and over | 896 | 1.29%, see rank | 2.09% | 1.71% |
US Census 2000 data
Total population: 62,843
Median Age (
see rank)
| Riley County | 23.90 years old |
| Kansas | 35.20 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| Riley County | 23.60 years old |
| Kansas | 33.70 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| Riley County | 24.50 years old |
| Kansas | 36.50 years old |
| U.S. | 36.50 years old |
| | Riley County | % of the Total Population | Kansas | U.S. |
| Under 5 years | 3,586 | 5.71%, see rank | 7.02% | 6.81% |
| 5 to 9 years | 3,166 | 5.04%, see rank | 7.27% | 7.30% |
| 10 to 14 years | 3,187 | 5.07%, see rank | 7.59% | 7.29% |
| 15 to 19 years | 7,532 | 11.99%, see rank | 7.82% | 7.18% |
| 20 to 24 years | 16,034 | 25.51%, see rank | 7.07% | 6.74% |
| 25 to 34 years | 9,504 | 15.12%, see rank | 12.98% | 14.18% |
| 35 to 44 years | 6,754 | 10.75%, see rank | 15.64% | 16.04% |
| 45 to 54 years | 5,341 | 8.50%, see rank | 13.17% | 13.39% |
| 55 to 64 years | 3,010 | 4.79%, see rank | 8.19% | 8.63% |
| 65 to 74 years | 2,288 | 3.64%, see rank | 6.54% | 6.54% |
| 75 to 84 | 1,711 | 2.72%, see rank | 4.78% | 4.39% |
| 85 years and over | 730 | 1.16%, see rank | 1.93% | 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.
