Union County Historical Age Data
ACS 2010-2014 data
Total population: 14,751
Median Age (
see rank)
| Union County | 40.50 years old |
| South Dakota | 36.80 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| Union County | 39.90 years old |
| South Dakota | 35.60 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| Union County | 41.20 years old |
| South Dakota | 38.20 years old |
| U.S. | 38.80 years old |
| | Union County | % of the Total Population | South Dakota | U.S. |
| Under 5 years | 890 | 6.03%, see rank | 7.10% | 6.36% |
| 5 to 9 years | 1,178 | 7.99%, see rank | 6.91% | 6.51% |
| 10 to 14 years | 1,071 | 7.26%, see rank | 6.64% | 6.59% |
| 15 to 19 years | 1,044 | 7.08%, see rank | 6.95% | 6.85% |
| 20 to 24 years | 646 | 4.38%, see rank | 7.15% | 7.13% |
| 25 to 34 years | 1,535 | 10.41%, see rank | 13.12% | 13.47% |
| 35 to 44 years | 1,905 | 12.91%, see rank | 11.34% | 12.96% |
| 45 to 54 years | 2,157 | 14.62%, see rank | 13.41% | 14.09% |
| 55 to 64 years | 2,128 | 14.43%, see rank | 12.72% | 12.29% |
| 65 to 74 years | 1,196 | 8.11%, see rank | 7.51% | 7.64% |
| 75 to 84 | 708 | 4.80%, see rank | 4.78% | 4.25% |
| 85 years and over | 293 | 1.99%, see rank | 2.36% | 1.85% |
US Census 2010 data
Total population: 14,399
Median Age (
see rank)
| Union County | 40.20 years old |
| South Dakota | 36.90 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Union County | 40.00 years old |
| South Dakota | 35.60 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Union County | 40.50 years old |
| South Dakota | 38.20 years old |
| U.S. | 38.50 years old |
| | Union County | % of the Total Population | South Dakota | U.S. |
| Under 5 years | 978 | 6.79%, see rank | 7.32% | 6.54% |
| 5 to 9 years | 1,051 | 7.30%, see rank | 6.82% | 6.59% |
| 10 to 14 years | 1,088 | 7.56%, see rank | 6.63% | 6.70% |
| 15 to 19 years | 940 | 6.53%, see rank | 7.08% | 7.14% |
| 20 to 24 years | 553 | 3.84%, see rank | 7.07% | 6.99% |
| 25 to 34 years | 1,649 | 11.45%, see rank | 12.95% | 13.30% |
| 35 to 44 years | 1,902 | 13.21%, see rank | 11.44% | 13.30% |
| 45 to 54 years | 2,214 | 15.38%, see rank | 14.36% | 14.58% |
| 55 to 64 years | 2,002 | 13.90%, see rank | 12.01% | 11.82% |
| 65 to 74 years | 1,030 | 7.15%, see rank | 7.08% | 7.03% |
| 75 to 84 | 717 | 4.98%, see rank | 4.88% | 4.23% |
| 85 years and over | 275 | 1.91%, see rank | 2.36% | 1.78% |
ACS 2008-2012 data
Total population: 14,377
Median Age (
see rank)
| Union County | 40.40 years old |
| South Dakota | 37.10 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Union County | 39.80 years old |
| South Dakota | 35.70 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Union County | 40.80 years old |
| South Dakota | 38.50 years old |
| U.S. | 38.50 years old |
| | Union County | % of the Total Population | South Dakota | U.S. |
| Under 5 years | 919 | 6.39%, see rank | 7.14% | 6.51% |
| 5 to 9 years | 1,101 | 7.66%, see rank | 6.69% | 6.57% |
| 10 to 14 years | 963 | 6.70%, see rank | 6.73% | 6.68% |
| 15 to 19 years | 951 | 6.61%, see rank | 7.20% | 7.09% |
| 20 to 24 years | 579 | 4.03%, see rank | 7.06% | 7.04% |
| 25 to 34 years | 1,585 | 11.02%, see rank | 12.84% | 13.32% |
| 35 to 44 years | 1,920 | 13.35%, see rank | 11.55% | 13.34% |
| 45 to 54 years | 2,151 | 14.96%, see rank | 14.25% | 14.44% |
| 55 to 64 years | 2,066 | 14.37%, see rank | 12.14% | 11.84% |
| 65 to 74 years | 1,084 | 7.54%, see rank | 7.11% | 7.12% |
| 75 to 84 | 769 | 5.35%, see rank | 4.91% | 4.25% |
| 85 years and over | 289 | 2.01%, see rank | 2.37% | 1.78% |
ACS 2006-2010 data
Total population: 13,903
Median Age (
see rank)
| Union County | 40.10 years old |
| South Dakota | 37.20 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| Union County | 39.50 years old |
| South Dakota | 35.80 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| Union County | 40.60 years old |
| South Dakota | 38.50 years old |
| U.S. | 38.10 years old |
| | Union County | % of the Total Population | South Dakota | U.S. |
| Under 5 years | 883 | 6.35%, see rank | 7.07% | 6.62% |
| 5 to 9 years | 968 | 6.96%, see rank | 6.54% | 6.62% |
| 10 to 14 years | 1,030 | 7.41%, see rank | 7.00% | 6.79% |
| 15 to 19 years | 936 | 6.73%, see rank | 7.35% | 7.28% |
| 20 to 24 years | 621 | 4.47%, see rank | 7.21% | 6.98% |
| 25 to 34 years | 1,621 | 11.66%, see rank | 12.43% | 13.22% |
| 35 to 44 years | 1,885 | 13.56%, see rank | 12.10% | 13.89% |
| 45 to 54 years | 2,172 | 15.62%, see rank | 14.72% | 14.57% |
| 55 to 64 years | 1,804 | 12.98%, see rank | 11.32% | 11.28% |
| 65 to 74 years | 968 | 6.96%, see rank | 6.87% | 6.74% |
| 75 to 84 | 796 | 5.73%, see rank | 5.07% | 4.30% |
| 85 years and over | 219 | 1.58%, see rank | 2.32% | 1.70% |
ACS 2005-2009 data
Total population: 13,947
Median Age (
see rank)
| Union County | 40.00 years old |
| South Dakota | 37.00 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| Union County | 38.60 years old |
| South Dakota | 35.50 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| Union County | 40.70 years old |
| South Dakota | 38.40 years old |
| U.S. | 37.90 years old |
| | Union County | % of the Total Population | South Dakota | U.S. |
| Under 5 years | 864 | 6.19%, see rank | 7.07% | 6.92% |
| 5 to 9 years | 910 | 6.52%, see rank | 6.43% | 6.59% |
| 10 to 14 years | 1,033 | 7.41%, see rank | 6.83% | 6.83% |
| 15 to 19 years | 940 | 6.74%, see rank | 7.56% | 7.15% |
| 20 to 24 years | 846 | 6.07%, see rank | 7.61% | 7.02% |
| 25 to 34 years | 1,559 | 11.18%, see rank | 12.29% | 13.42% |
| 35 to 44 years | 1,889 | 13.54%, see rank | 12.31% | 14.18% |
| 45 to 54 years | 2,216 | 15.89%, see rank | 14.58% | 14.48% |
| 55 to 64 years | 1,785 | 12.80%, see rank | 10.99% | 10.81% |
| 65 to 74 years | 909 | 6.52%, see rank | 6.80% | 6.50% |
| 75 to 84 | 785 | 5.63%, see rank | 5.20% | 4.40% |
| 85 years and over | 211 | 1.51%, see rank | 2.35% | 1.71% |
US Census 2000 data
Total population: 12,584
Median Age (
see rank)
| Union County | 36.90 years old |
| South Dakota | 35.60 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| Union County | 36.20 years old |
| South Dakota | 34.40 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| Union County | 37.50 years old |
| South Dakota | 36.70 years old |
| U.S. | 36.50 years old |
| | Union County | % of the Total Population | South Dakota | U.S. |
| Under 5 years | 868 | 6.90%, see rank | 6.77% | 6.81% |
| 5 to 9 years | 979 | 7.78%, see rank | 7.22% | 7.30% |
| 10 to 14 years | 943 | 7.49%, see rank | 7.88% | 7.29% |
| 15 to 19 years | 922 | 7.33%, see rank | 8.27% | 7.18% |
| 20 to 24 years | 604 | 4.80%, see rank | 7.00% | 6.74% |
| 25 to 34 years | 1,601 | 12.72%, see rank | 12.06% | 14.18% |
| 35 to 44 years | 1,979 | 15.73%, see rank | 15.29% | 16.04% |
| 45 to 54 years | 1,889 | 15.01%, see rank | 12.94% | 13.39% |
| 55 to 64 years | 1,097 | 8.72%, see rank | 8.26% | 8.63% |
| 65 to 74 years | 856 | 6.80%, see rank | 7.04% | 6.54% |
| 75 to 84 | 622 | 4.94%, see rank | 5.16% | 4.39% |
| 85 years and over | 224 | 1.78%, 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.
