Rapid City, SD Historical Age Data
ACS 2010-2014 data
Total population: 70,126
Median Age (
see rank)
| Rapid City, SD | 36.20 years old |
| South Dakota | 36.80 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| Rapid City, SD | 34.50 years old |
| South Dakota | 35.60 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| Rapid City, SD | 38.10 years old |
| South Dakota | 38.20 years old |
| U.S. | 38.80 years old |
| | Rapid City, SD | % of the Total Population | South Dakota | U.S. |
| Under 5 years | 5,167 | 7.37%, see rank | 7.10% | 6.36% |
| 5 to 9 years | 4,900 | 6.99%, see rank | 6.91% | 6.51% |
| 10 to 14 years | 4,122 | 5.88%, see rank | 6.64% | 6.59% |
| 15 to 19 years | 4,112 | 5.86%, see rank | 6.95% | 6.85% |
| 20 to 24 years | 5,289 | 7.54%, see rank | 7.15% | 7.13% |
| 25 to 34 years | 10,405 | 14.84%, see rank | 13.12% | 13.47% |
| 35 to 44 years | 7,547 | 10.76%, see rank | 11.34% | 12.96% |
| 45 to 54 years | 8,749 | 12.48%, see rank | 13.41% | 14.09% |
| 55 to 64 years | 9,179 | 13.09%, see rank | 12.72% | 12.29% |
| 65 to 74 years | 5,330 | 7.60%, see rank | 7.51% | 7.64% |
| 75 to 84 | 3,489 | 4.98%, see rank | 4.78% | 4.25% |
| 85 years and over | 1,837 | 2.62%, see rank | 2.36% | 1.85% |
US Census 2010 data
Total population: 67,956
Median Age (
see rank)
| Rapid City, SD | 35.60 years old |
| South Dakota | 36.90 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Rapid City, SD | 33.60 years old |
| South Dakota | 35.60 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Rapid City, SD | 37.60 years old |
| South Dakota | 38.20 years old |
| U.S. | 38.50 years old |
| | Rapid City, SD | % of the Total Population | South Dakota | U.S. |
| Under 5 years | 5,109 | 7.52%, see rank | 7.32% | 6.54% |
| 5 to 9 years | 4,451 | 6.55%, see rank | 6.82% | 6.59% |
| 10 to 14 years | 4,204 | 6.19%, see rank | 6.63% | 6.70% |
| 15 to 19 years | 4,377 | 6.44%, see rank | 7.08% | 7.14% |
| 20 to 24 years | 5,369 | 7.90%, see rank | 7.07% | 6.99% |
| 25 to 34 years | 9,989 | 14.70%, see rank | 12.95% | 13.30% |
| 35 to 44 years | 7,522 | 11.07%, see rank | 11.44% | 13.30% |
| 45 to 54 years | 9,207 | 13.55%, see rank | 14.36% | 14.58% |
| 55 to 64 years | 7,878 | 11.59%, see rank | 12.01% | 11.82% |
| 65 to 74 years | 4,811 | 7.08%, see rank | 7.08% | 7.03% |
| 75 to 84 | 3,470 | 5.11%, see rank | 4.88% | 4.23% |
| 85 years and over | 1,569 | 2.31%, see rank | 2.36% | 1.78% |
ACS 2008-2012 data
Total population: 68,060
Median Age (
see rank)
| Rapid City, SD | 36.10 years old |
| South Dakota | 37.10 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Rapid City, SD | 34.20 years old |
| South Dakota | 35.70 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Rapid City, SD | 37.80 years old |
| South Dakota | 38.50 years old |
| U.S. | 38.50 years old |
| | Rapid City, SD | % of the Total Population | South Dakota | U.S. |
| Under 5 years | 5,049 | 7.42%, see rank | 7.14% | 6.51% |
| 5 to 9 years | 4,415 | 6.49%, see rank | 6.69% | 6.57% |
| 10 to 14 years | 4,105 | 6.03%, see rank | 6.73% | 6.68% |
| 15 to 19 years | 4,221 | 6.20%, see rank | 7.20% | 7.09% |
| 20 to 24 years | 5,440 | 7.99%, see rank | 7.06% | 7.04% |
| 25 to 34 years | 9,863 | 14.49%, see rank | 12.84% | 13.32% |
| 35 to 44 years | 7,470 | 10.98%, see rank | 11.55% | 13.34% |
| 45 to 54 years | 9,238 | 13.57%, see rank | 14.25% | 14.44% |
| 55 to 64 years | 8,336 | 12.25%, see rank | 12.14% | 11.84% |
| 65 to 74 years | 4,788 | 7.03%, see rank | 7.11% | 7.12% |
| 75 to 84 | 3,461 | 5.09%, see rank | 4.91% | 4.25% |
| 85 years and over | 1,674 | 2.46%, see rank | 2.37% | 1.78% |
ACS 2006-2010 data
Total population: 66,144
Median Age (
see rank)
| Rapid City, SD | 36.00 years old |
| South Dakota | 37.20 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| Rapid City, SD | 34.20 years old |
| South Dakota | 35.80 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| Rapid City, SD | 37.50 years old |
| South Dakota | 38.50 years old |
| U.S. | 38.10 years old |
| | Rapid City, SD | % of the Total Population | South Dakota | U.S. |
| Under 5 years | 5,005 | 7.57%, see rank | 7.07% | 6.62% |
| 5 to 9 years | 3,885 | 5.87%, see rank | 6.54% | 6.62% |
| 10 to 14 years | 4,421 | 6.68%, see rank | 7.00% | 6.79% |
| 15 to 19 years | 4,396 | 6.65%, see rank | 7.35% | 7.28% |
| 20 to 24 years | 5,468 | 8.27%, see rank | 7.21% | 6.98% |
| 25 to 34 years | 9,217 | 13.93%, see rank | 12.43% | 13.22% |
| 35 to 44 years | 7,794 | 11.78%, see rank | 12.10% | 13.89% |
| 45 to 54 years | 9,528 | 14.40%, see rank | 14.72% | 14.57% |
| 55 to 64 years | 7,488 | 11.32%, see rank | 11.32% | 11.28% |
| 65 to 74 years | 4,292 | 6.49%, see rank | 6.87% | 6.74% |
| 75 to 84 | 3,310 | 5.00%, see rank | 5.07% | 4.30% |
| 85 years and over | 1,340 | 2.03%, see rank | 2.32% | 1.70% |
ACS 2005-2009 data
Total population: 64,604
Median Age (
see rank)
| Rapid City, SD | 34.60 years old |
| South Dakota | 37.00 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| Rapid City, SD | 32.10 years old |
| South Dakota | 35.50 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| Rapid City, SD | 36.50 years old |
| South Dakota | 38.40 years old |
| U.S. | 37.90 years old |
| | Rapid City, SD | % of the Total Population | South Dakota | U.S. |
| Under 5 years | 5,250 | 8.13%, see rank | 7.07% | 6.92% |
| 5 to 9 years | 4,059 | 6.28%, see rank | 6.43% | 6.59% |
| 10 to 14 years | 4,208 | 6.51%, see rank | 6.83% | 6.83% |
| 15 to 19 years | 4,177 | 6.47%, see rank | 7.56% | 7.15% |
| 20 to 24 years | 5,428 | 8.40%, see rank | 7.61% | 7.02% |
| 25 to 34 years | 9,423 | 14.59%, see rank | 12.29% | 13.42% |
| 35 to 44 years | 7,322 | 11.33%, see rank | 12.31% | 14.18% |
| 45 to 54 years | 9,030 | 13.98%, see rank | 14.58% | 14.48% |
| 55 to 64 years | 6,634 | 10.27%, see rank | 10.99% | 10.81% |
| 65 to 74 years | 4,308 | 6.67%, see rank | 6.80% | 6.50% |
| 75 to 84 | 3,410 | 5.28%, see rank | 5.20% | 4.40% |
| 85 years and over | 1,355 | 2.10%, see rank | 2.35% | 1.71% |
US Census 2000 data
Total population: 59,607
Median Age (
see rank)
| Rapid City, SD | 34.80 years old |
| South Dakota | 35.60 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| Rapid City, SD | 32.70 years old |
| South Dakota | 34.40 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| Rapid City, SD | 36.50 years old |
| South Dakota | 36.70 years old |
| U.S. | 36.50 years old |
| | Rapid City, SD | % of the Total Population | South Dakota | U.S. |
| Under 5 years | 4,169 | 6.99%, see rank | 6.77% | 6.81% |
| 5 to 9 years | 3,973 | 6.67%, see rank | 7.22% | 7.30% |
| 10 to 14 years | 4,309 | 7.23%, see rank | 7.88% | 7.29% |
| 15 to 19 years | 4,654 | 7.81%, see rank | 8.27% | 7.18% |
| 20 to 24 years | 5,009 | 8.40%, see rank | 7.00% | 6.74% |
| 25 to 34 years | 7,866 | 13.20%, see rank | 12.06% | 14.18% |
| 35 to 44 years | 9,259 | 15.53%, see rank | 15.29% | 16.04% |
| 45 to 54 years | 7,768 | 13.03%, see rank | 12.94% | 13.39% |
| 55 to 64 years | 4,712 | 7.91%, see rank | 8.26% | 8.63% |
| 65 to 74 years | 4,017 | 6.74%, see rank | 7.04% | 6.54% |
| 75 to 84 | 2,781 | 4.67%, see rank | 5.16% | 4.39% |
| 85 years and over | 1,090 | 1.83%, see rank | 2.13% | 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.
