Rock County Historical Age Data
ACS 2010-2014 data
Total population: 1,436
Median Age (
see rank)
| Rock County | 50.60 years old |
| Nebraska | 36.20 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| Rock County | 50.00 years old |
| Nebraska | 35.10 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| Rock County | 51.80 years old |
| Nebraska | 37.50 years old |
| U.S. | 38.80 years old |
| | Rock County | % of the Total Population | Nebraska | U.S. |
| Under 5 years | 47 | 3.27%, see rank | 7.03% | 6.36% |
| 5 to 9 years | 87 | 6.06%, see rank | 7.06% | 6.51% |
| 10 to 14 years | 89 | 6.20%, see rank | 6.83% | 6.59% |
| 15 to 19 years | 80 | 5.57%, see rank | 6.92% | 6.85% |
| 20 to 24 years | 39 | 2.72%, see rank | 7.21% | 7.13% |
| 25 to 34 years | 140 | 9.75%, see rank | 13.46% | 13.47% |
| 35 to 44 years | 117 | 8.15%, see rank | 11.99% | 12.96% |
| 45 to 54 years | 243 | 16.92%, see rank | 13.41% | 14.09% |
| 55 to 64 years | 276 | 19.22%, see rank | 12.20% | 12.29% |
| 65 to 74 years | 131 | 9.12%, see rank | 7.17% | 7.64% |
| 75 to 84 | 98 | 6.82%, see rank | 4.58% | 4.25% |
| 85 years and over | 89 | 6.20%, see rank | 2.14% | 1.85% |
US Census 2010 data
Total population: 1,526
Median Age (
see rank)
| Rock County | 49.90 years old |
| Nebraska | 36.20 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Rock County | 48.70 years old |
| Nebraska | 35.00 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Rock County | 51.00 years old |
| Nebraska | 37.50 years old |
| U.S. | 38.50 years old |
| | Rock County | % of the Total Population | Nebraska | U.S. |
| Under 5 years | 85 | 5.57%, see rank | 7.22% | 6.54% |
| 5 to 9 years | 91 | 5.96%, see rank | 7.06% | 6.59% |
| 10 to 14 years | 90 | 5.90%, see rank | 6.72% | 6.70% |
| 15 to 19 years | 60 | 3.93%, see rank | 7.06% | 7.14% |
| 20 to 24 years | 48 | 3.15%, see rank | 7.08% | 6.99% |
| 25 to 34 years | 160 | 10.48%, see rank | 13.42% | 13.30% |
| 35 to 44 years | 119 | 7.80%, see rank | 12.09% | 13.30% |
| 45 to 54 years | 259 | 16.97%, see rank | 14.17% | 14.58% |
| 55 to 64 years | 259 | 16.97%, see rank | 11.67% | 11.82% |
| 65 to 74 years | 154 | 10.09%, see rank | 6.74% | 7.03% |
| 75 to 84 | 135 | 8.85%, see rank | 4.61% | 4.23% |
| 85 years and over | 66 | 4.33%, see rank | 2.15% | 1.78% |
ACS 2008-2012 data
Total population: 1,540
Median Age (
see rank)
| Rock County | 49.40 years old |
| Nebraska | 36.30 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Rock County | 48.60 years old |
| Nebraska | 35.00 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Rock County | 49.90 years old |
| Nebraska | 37.50 years old |
| U.S. | 38.50 years old |
| | Rock County | % of the Total Population | Nebraska | U.S. |
| Under 5 years | 47 | 3.05%, see rank | 7.16% | 6.51% |
| 5 to 9 years | 70 | 4.55%, see rank | 6.99% | 6.57% |
| 10 to 14 years | 123 | 7.99%, see rank | 6.80% | 6.68% |
| 15 to 19 years | 95 | 6.17%, see rank | 7.08% | 7.09% |
| 20 to 24 years | 43 | 2.79%, see rank | 7.15% | 7.04% |
| 25 to 34 years | 167 | 10.84%, see rank | 13.37% | 13.32% |
| 35 to 44 years | 119 | 7.73%, see rank | 12.17% | 13.34% |
| 45 to 54 years | 278 | 18.05%, see rank | 14.02% | 14.44% |
| 55 to 64 years | 246 | 15.97%, see rank | 11.72% | 11.84% |
| 65 to 74 years | 147 | 9.55%, see rank | 6.79% | 7.12% |
| 75 to 84 | 127 | 8.25%, see rank | 4.64% | 4.25% |
| 85 years and over | 78 | 5.06%, see rank | 2.11% | 1.78% |
ACS 2006-2010 data
Total population: 1,651
Median Age (
see rank)
| Rock County | 48.70 years old |
| Nebraska | 36.20 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| Rock County | 49.40 years old |
| Nebraska | 35.00 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| Rock County | 47.50 years old |
| Nebraska | 37.40 years old |
| U.S. | 38.10 years old |
| | Rock County | % of the Total Population | Nebraska | U.S. |
| Under 5 years | 69 | 4.18%, see rank | 7.19% | 6.62% |
| 5 to 9 years | 80 | 4.85%, see rank | 6.91% | 6.62% |
| 10 to 14 years | 134 | 8.12%, see rank | 6.81% | 6.79% |
| 15 to 19 years | 77 | 4.66%, see rank | 7.25% | 7.28% |
| 20 to 24 years | 45 | 2.73%, see rank | 7.32% | 6.98% |
| 25 to 34 years | 135 | 8.18%, see rank | 13.05% | 13.22% |
| 35 to 44 years | 174 | 10.54%, see rank | 12.61% | 13.89% |
| 45 to 54 years | 346 | 20.96%, see rank | 14.40% | 14.57% |
| 55 to 64 years | 273 | 16.54%, see rank | 11.08% | 11.28% |
| 65 to 74 years | 152 | 9.21%, see rank | 6.57% | 6.74% |
| 75 to 84 | 107 | 6.48%, see rank | 4.75% | 4.30% |
| 85 years and over | 59 | 3.57%, see rank | 2.07% | 1.70% |
ACS 2005-2009 data
Total population: 1,494
Median Age (
see rank)
| Rock County | 50.20 years old |
| Nebraska | 35.90 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| Rock County | 50.10 years old |
| Nebraska | 34.60 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| Rock County | 50.40 years old |
| Nebraska | 37.30 years old |
| U.S. | 37.90 years old |
| | Rock County | % of the Total Population | Nebraska | U.S. |
| Under 5 years | 63 | 4.22%, see rank | 7.37% | 6.92% |
| 5 to 9 years | 53 | 3.55%, see rank | 6.76% | 6.59% |
| 10 to 14 years | 114 | 7.63%, see rank | 6.72% | 6.83% |
| 15 to 19 years | 85 | 5.69%, see rank | 7.36% | 7.15% |
| 20 to 24 years | 38 | 2.54%, see rank | 7.95% | 7.02% |
| 25 to 34 years | 90 | 6.02%, see rank | 12.67% | 13.42% |
| 35 to 44 years | 156 | 10.44%, see rank | 12.92% | 14.18% |
| 45 to 54 years | 331 | 22.16%, see rank | 14.34% | 14.48% |
| 55 to 64 years | 239 | 16.00%, see rank | 10.59% | 10.81% |
| 65 to 74 years | 160 | 10.71%, see rank | 6.46% | 6.50% |
| 75 to 84 | 108 | 7.23%, see rank | 4.77% | 4.40% |
| 85 years and over | 57 | 3.82%, see rank | 2.09% | 1.71% |
US Census 2000 data
Total population: 1,756
Median Age (
see rank)
| Rock County | 43.50 years old |
| Nebraska | 35.30 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| Rock County | 42.20 years old |
| Nebraska | 34.00 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| Rock County | 45.00 years old |
| Nebraska | 36.60 years old |
| U.S. | 36.50 years old |
| | Rock County | % of the Total Population | Nebraska | U.S. |
| Under 5 years | 96 | 5.47%, see rank | 6.84% | 6.81% |
| 5 to 9 years | 87 | 4.95%, see rank | 7.21% | 7.30% |
| 10 to 14 years | 133 | 7.57%, see rank | 7.53% | 7.29% |
| 15 to 19 years | 131 | 7.46%, see rank | 7.88% | 7.18% |
| 20 to 24 years | 72 | 4.10%, see rank | 7.03% | 6.74% |
| 25 to 34 years | 146 | 8.31%, see rank | 13.05% | 14.18% |
| 35 to 44 years | 268 | 15.26%, see rank | 15.42% | 16.04% |
| 45 to 54 years | 258 | 14.69%, see rank | 13.19% | 13.39% |
| 55 to 64 years | 174 | 9.91%, see rank | 8.27% | 8.63% |
| 65 to 74 years | 186 | 10.59%, see rank | 6.76% | 6.54% |
| 75 to 84 | 127 | 7.23%, see rank | 4.82% | 4.39% |
| 85 years and over | 78 | 4.44%, see rank | 1.98% | 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.
