Buffalo County Historical Age Data
ACS 2010-2014 data
Total population: 2,013
Median Age (
see rank)
| Buffalo County | 25.90 years old |
| South Dakota | 36.80 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| Buffalo County | 25.50 years old |
| South Dakota | 35.60 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| Buffalo County | 26.20 years old |
| South Dakota | 38.20 years old |
| U.S. | 38.80 years old |
| | Buffalo County | % of the Total Population | South Dakota | U.S. |
| Under 5 years | 212 | 10.53%, see rank | 7.10% | 6.36% |
| 5 to 9 years | 197 | 9.79%, see rank | 6.91% | 6.51% |
| 10 to 14 years | 220 | 10.93%, see rank | 6.64% | 6.59% |
| 15 to 19 years | 176 | 8.74%, see rank | 6.95% | 6.85% |
| 20 to 24 years | 177 | 8.79%, see rank | 7.15% | 7.13% |
| 25 to 34 years | 240 | 11.92%, see rank | 13.12% | 13.47% |
| 35 to 44 years | 241 | 11.97%, see rank | 11.34% | 12.96% |
| 45 to 54 years | 228 | 11.33%, see rank | 13.41% | 14.09% |
| 55 to 64 years | 149 | 7.40%, see rank | 12.72% | 12.29% |
| 65 to 74 years | 115 | 5.71%, see rank | 7.51% | 7.64% |
| 75 to 84 | 42 | 2.09%, see rank | 4.78% | 4.25% |
| 85 years and over | 16 | 0.79%, see rank | 2.36% | 1.85% |
US Census 2010 data
Total population: 1,912
Median Age (
see rank)
| Buffalo County | 25.00 years old |
| South Dakota | 36.90 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Buffalo County | 24.80 years old |
| South Dakota | 35.60 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Buffalo County | 25.20 years old |
| South Dakota | 38.20 years old |
| U.S. | 38.50 years old |
| | Buffalo County | % of the Total Population | South Dakota | U.S. |
| Under 5 years | 226 | 11.82%, see rank | 7.32% | 6.54% |
| 5 to 9 years | 232 | 12.13%, see rank | 6.82% | 6.59% |
| 10 to 14 years | 181 | 9.47%, see rank | 6.63% | 6.70% |
| 15 to 19 years | 194 | 10.15%, see rank | 7.08% | 7.14% |
| 20 to 24 years | 123 | 6.43%, see rank | 7.07% | 6.99% |
| 25 to 34 years | 248 | 12.97%, see rank | 12.95% | 13.30% |
| 35 to 44 years | 211 | 11.04%, see rank | 11.44% | 13.30% |
| 45 to 54 years | 225 | 11.77%, see rank | 14.36% | 14.58% |
| 55 to 64 years | 135 | 7.06%, see rank | 12.01% | 11.82% |
| 65 to 74 years | 100 | 5.23%, see rank | 7.08% | 7.03% |
| 75 to 84 | 23 | 1.20%, see rank | 4.88% | 4.23% |
| 85 years and over | 14 | 0.73%, see rank | 2.36% | 1.78% |
ACS 2008-2012 data
Total population: 1,950
Median Age (
see rank)
| Buffalo County | 26.40 years old |
| South Dakota | 37.10 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Buffalo County | 25.20 years old |
| South Dakota | 35.70 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Buffalo County | 27.80 years old |
| South Dakota | 38.50 years old |
| U.S. | 38.50 years old |
| | Buffalo County | % of the Total Population | South Dakota | U.S. |
| Under 5 years | 232 | 11.90%, see rank | 7.14% | 6.51% |
| 5 to 9 years | 215 | 11.03%, see rank | 6.69% | 6.57% |
| 10 to 14 years | 157 | 8.05%, see rank | 6.73% | 6.68% |
| 15 to 19 years | 158 | 8.10%, see rank | 7.20% | 7.09% |
| 20 to 24 years | 183 | 9.38%, see rank | 7.06% | 7.04% |
| 25 to 34 years | 247 | 12.67%, see rank | 12.84% | 13.32% |
| 35 to 44 years | 248 | 12.72%, see rank | 11.55% | 13.34% |
| 45 to 54 years | 239 | 12.26%, see rank | 14.25% | 14.44% |
| 55 to 64 years | 105 | 5.38%, see rank | 12.14% | 11.84% |
| 65 to 74 years | 102 | 5.23%, see rank | 7.11% | 7.12% |
| 75 to 84 | 40 | 2.05%, see rank | 4.91% | 4.25% |
| 85 years and over | 24 | 1.23%, see rank | 2.37% | 1.78% |
ACS 2006-2010 data
Total population: 1,932
Median Age (
see rank)
| Buffalo County | 23.40 years old |
| South Dakota | 37.20 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| Buffalo County | 23.00 years old |
| South Dakota | 35.80 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| Buffalo County | 24.00 years old |
| South Dakota | 38.50 years old |
| U.S. | 38.10 years old |
| | Buffalo County | % of the Total Population | South Dakota | U.S. |
| Under 5 years | 222 | 11.49%, see rank | 7.07% | 6.62% |
| 5 to 9 years | 222 | 11.49%, see rank | 6.54% | 6.62% |
| 10 to 14 years | 165 | 8.54%, see rank | 7.00% | 6.79% |
| 15 to 19 years | 230 | 11.90%, see rank | 7.35% | 7.28% |
| 20 to 24 years | 161 | 8.33%, see rank | 7.21% | 6.98% |
| 25 to 34 years | 204 | 10.56%, see rank | 12.43% | 13.22% |
| 35 to 44 years | 260 | 13.46%, see rank | 12.10% | 13.89% |
| 45 to 54 years | 237 | 12.27%, see rank | 14.72% | 14.57% |
| 55 to 64 years | 140 | 7.25%, see rank | 11.32% | 11.28% |
| 65 to 74 years | 54 | 2.80%, see rank | 6.87% | 6.74% |
| 75 to 84 | 30 | 1.55%, see rank | 5.07% | 4.30% |
| 85 years and over | 7 | 0.36%, see rank | 2.32% | 1.70% |
ACS 2005-2009 data
Total population: 2,091
Median Age (
see rank)
| Buffalo County | 23.40 years old |
| South Dakota | 37.00 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| Buffalo County | 22.90 years old |
| South Dakota | 35.50 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| Buffalo County | 25.10 years old |
| South Dakota | 38.40 years old |
| U.S. | 37.90 years old |
| | Buffalo County | % of the Total Population | South Dakota | U.S. |
| Under 5 years | 273 | 13.06%, see rank | 7.07% | 6.92% |
| 5 to 9 years | 228 | 10.90%, see rank | 6.43% | 6.59% |
| 10 to 14 years | 153 | 7.32%, see rank | 6.83% | 6.83% |
| 15 to 19 years | 241 | 11.53%, see rank | 7.56% | 7.15% |
| 20 to 24 years | 190 | 9.09%, see rank | 7.61% | 7.02% |
| 25 to 34 years | 254 | 12.15%, see rank | 12.29% | 13.42% |
| 35 to 44 years | 294 | 14.06%, see rank | 12.31% | 14.18% |
| 45 to 54 years | 168 | 8.03%, see rank | 14.58% | 14.48% |
| 55 to 64 years | 186 | 8.90%, see rank | 10.99% | 10.81% |
| 65 to 74 years | 74 | 3.54%, see rank | 6.80% | 6.50% |
| 75 to 84 | 24 | 1.15%, see rank | 5.20% | 4.40% |
| 85 years and over | 6 | 0.29%, see rank | 2.35% | 1.71% |
US Census 2000 data
Total population: 2,032
Median Age (
see rank)
| Buffalo County | 23.40 years old |
| South Dakota | 35.60 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| Buffalo County | 21.40 years old |
| South Dakota | 34.40 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| Buffalo County | 25.30 years old |
| South Dakota | 36.70 years old |
| U.S. | 36.50 years old |
| | Buffalo County | % of the Total Population | South Dakota | U.S. |
| Under 5 years | 216 | 10.63%, see rank | 6.77% | 6.81% |
| 5 to 9 years | 231 | 11.37%, see rank | 7.22% | 7.30% |
| 10 to 14 years | 241 | 11.86%, see rank | 7.88% | 7.29% |
| 15 to 19 years | 244 | 12.01%, see rank | 8.27% | 7.18% |
| 20 to 24 years | 131 | 6.45%, see rank | 7.00% | 6.74% |
| 25 to 34 years | 247 | 12.16%, see rank | 12.06% | 14.18% |
| 35 to 44 years | 262 | 12.89%, see rank | 15.29% | 16.04% |
| 45 to 54 years | 182 | 8.96%, see rank | 12.94% | 13.39% |
| 55 to 64 years | 145 | 7.14%, see rank | 8.26% | 8.63% |
| 65 to 74 years | 72 | 3.54%, see rank | 7.04% | 6.54% |
| 75 to 84 | 52 | 2.56%, see rank | 5.16% | 4.39% |
| 85 years and over | 9 | 0.44%, 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.
