Sioux County Historical Age Data
ACS 2010-2014 data
Total population: 34,261
Median Age (
see rank)
| Sioux County | 33.20 years old |
| Iowa | 38.00 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| Sioux County | 32.40 years old |
| Iowa | 36.70 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| Sioux County | 34.00 years old |
| Iowa | 39.40 years old |
| U.S. | 38.80 years old |
| | Sioux County | % of the Total Population | Iowa | U.S. |
| Under 5 years | 2,580 | 7.53%, see rank | 6.39% | 6.36% |
| 5 to 9 years | 2,722 | 7.94%, see rank | 6.62% | 6.51% |
| 10 to 14 years | 2,399 | 7.00%, see rank | 6.58% | 6.59% |
| 15 to 19 years | 3,091 | 9.02%, see rank | 6.96% | 6.85% |
| 20 to 24 years | 3,113 | 9.09%, see rank | 7.21% | 7.13% |
| 25 to 34 years | 4,089 | 11.93%, see rank | 12.65% | 13.47% |
| 35 to 44 years | 3,520 | 10.27%, see rank | 11.80% | 12.96% |
| 45 to 54 years | 4,089 | 11.93%, see rank | 13.73% | 14.09% |
| 55 to 64 years | 3,769 | 11.00%, see rank | 12.80% | 12.29% |
| 65 to 74 years | 2,259 | 6.59%, see rank | 7.81% | 7.64% |
| 75 to 84 | 1,835 | 5.36%, see rank | 4.98% | 4.25% |
| 85 years and over | 795 | 2.32%, see rank | 2.48% | 1.85% |
US Census 2010 data
Total population: 33,704
Median Age (
see rank)
| Sioux County | 32.70 years old |
| Iowa | 38.10 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Sioux County | 31.70 years old |
| Iowa | 36.60 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Sioux County | 33.80 years old |
| Iowa | 39.50 years old |
| U.S. | 38.50 years old |
| | Sioux County | % of the Total Population | Iowa | U.S. |
| Under 5 years | 2,639 | 7.83%, see rank | 6.63% | 6.54% |
| 5 to 9 years | 2,555 | 7.58%, see rank | 6.59% | 6.59% |
| 10 to 14 years | 2,385 | 7.08%, see rank | 6.59% | 6.70% |
| 15 to 19 years | 3,090 | 9.17%, see rank | 7.12% | 7.14% |
| 20 to 24 years | 2,985 | 8.86%, see rank | 7.00% | 6.99% |
| 25 to 34 years | 4,045 | 12.00%, see rank | 12.56% | 13.30% |
| 35 to 44 years | 3,429 | 10.17%, see rank | 11.97% | 13.30% |
| 45 to 54 years | 4,305 | 12.77%, see rank | 14.43% | 14.58% |
| 55 to 64 years | 3,463 | 10.27%, see rank | 12.24% | 11.82% |
| 65 to 74 years | 2,195 | 6.51%, see rank | 7.37% | 7.03% |
| 75 to 84 | 1,742 | 5.17%, see rank | 5.04% | 4.23% |
| 85 years and over | 871 | 2.58%, see rank | 2.45% | 1.78% |
ACS 2008-2012 data
Total population: 33,776
Median Age (
see rank)
| Sioux County | 32.90 years old |
| Iowa | 38.00 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Sioux County | 32.10 years old |
| Iowa | 36.60 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Sioux County | 34.10 years old |
| Iowa | 39.40 years old |
| U.S. | 38.50 years old |
| | Sioux County | % of the Total Population | Iowa | U.S. |
| Under 5 years | 2,601 | 7.70%, see rank | 6.53% | 6.51% |
| 5 to 9 years | 2,587 | 7.66%, see rank | 6.58% | 6.57% |
| 10 to 14 years | 2,314 | 6.85%, see rank | 6.60% | 6.68% |
| 15 to 19 years | 3,129 | 9.26%, see rank | 7.14% | 7.09% |
| 20 to 24 years | 3,099 | 9.18%, see rank | 7.08% | 7.04% |
| 25 to 34 years | 4,063 | 12.03%, see rank | 12.55% | 13.32% |
| 35 to 44 years | 3,386 | 10.02%, see rank | 12.02% | 13.34% |
| 45 to 54 years | 4,268 | 12.64%, see rank | 14.28% | 14.44% |
| 55 to 64 years | 3,500 | 10.36%, see rank | 12.27% | 11.84% |
| 65 to 74 years | 2,188 | 6.48%, see rank | 7.45% | 7.12% |
| 75 to 84 | 1,754 | 5.19%, see rank | 5.08% | 4.25% |
| 85 years and over | 887 | 2.63%, see rank | 2.42% | 1.78% |
ACS 2006-2010 data
Total population: 33,377
Median Age (
see rank)
| Sioux County | 32.70 years old |
| Iowa | 38.00 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| Sioux County | 31.80 years old |
| Iowa | 36.60 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| Sioux County | 34.00 years old |
| Iowa | 39.30 years old |
| U.S. | 38.10 years old |
| | Sioux County | % of the Total Population | Iowa | U.S. |
| Under 5 years | 2,600 | 7.79%, see rank | 6.56% | 6.62% |
| 5 to 9 years | 2,509 | 7.52%, see rank | 6.57% | 6.62% |
| 10 to 14 years | 2,215 | 6.64%, see rank | 6.64% | 6.79% |
| 15 to 19 years | 3,277 | 9.82%, see rank | 7.28% | 7.28% |
| 20 to 24 years | 3,065 | 9.18%, see rank | 7.14% | 6.98% |
| 25 to 34 years | 3,885 | 11.64%, see rank | 12.25% | 13.22% |
| 35 to 44 years | 3,421 | 10.25%, see rank | 12.56% | 13.89% |
| 45 to 54 years | 4,383 | 13.13%, see rank | 14.61% | 14.57% |
| 55 to 64 years | 3,195 | 9.57%, see rank | 11.58% | 11.28% |
| 65 to 74 years | 2,158 | 6.47%, see rank | 7.21% | 6.74% |
| 75 to 84 | 1,702 | 5.10%, see rank | 5.24% | 4.30% |
| 85 years and over | 967 | 2.90%, see rank | 2.36% | 1.70% |
ACS 2005-2009 data
Total population: 32,069
Median Age (
see rank)
| Sioux County | 33.20 years old |
| Iowa | 37.90 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| Sioux County | 31.90 years old |
| Iowa | 36.50 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| Sioux County | 34.70 years old |
| Iowa | 39.30 years old |
| U.S. | 37.90 years old |
| | Sioux County | % of the Total Population | Iowa | U.S. |
| Under 5 years | 2,557 | 7.97%, see rank | 6.61% | 6.92% |
| 5 to 9 years | 2,253 | 7.03%, see rank | 6.38% | 6.59% |
| 10 to 14 years | 2,154 | 6.72%, see rank | 6.59% | 6.83% |
| 15 to 19 years | 3,327 | 10.37%, see rank | 7.37% | 7.15% |
| 20 to 24 years | 3,128 | 9.75%, see rank | 7.65% | 7.02% |
| 25 to 34 years | 3,237 | 10.09%, see rank | 11.90% | 13.42% |
| 35 to 44 years | 3,403 | 10.61%, see rank | 12.95% | 14.18% |
| 45 to 54 years | 4,257 | 13.27%, see rank | 14.71% | 14.48% |
| 55 to 64 years | 2,975 | 9.28%, see rank | 11.11% | 10.81% |
| 65 to 74 years | 2,050 | 6.39%, see rank | 7.05% | 6.50% |
| 75 to 84 | 1,744 | 5.44%, see rank | 5.30% | 4.40% |
| 85 years and over | 984 | 3.07%, see rank | 2.38% | 1.71% |
US Census 2000 data
Total population: 31,589
Median Age (
see rank)
| Sioux County | 32.80 years old |
| Iowa | 36.60 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| Sioux County | 31.60 years old |
| Iowa | 35.20 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| Sioux County | 34.20 years old |
| Iowa | 38.00 years old |
| U.S. | 36.50 years old |
| | Sioux County | % of the Total Population | Iowa | U.S. |
| Under 5 years | 2,092 | 6.62%, see rank | 6.44% | 6.81% |
| 5 to 9 years | 2,293 | 7.26%, see rank | 6.92% | 7.30% |
| 10 to 14 years | 2,533 | 8.02%, see rank | 7.19% | 7.29% |
| 15 to 19 years | 3,492 | 11.05%, see rank | 7.74% | 7.18% |
| 20 to 24 years | 2,973 | 9.41%, see rank | 6.96% | 6.74% |
| 25 to 34 years | 3,126 | 9.90%, see rank | 12.41% | 14.18% |
| 35 to 44 years | 4,298 | 13.61%, see rank | 15.21% | 16.04% |
| 45 to 54 years | 3,610 | 11.43%, see rank | 13.42% | 13.39% |
| 55 to 64 years | 2,419 | 7.66%, see rank | 8.80% | 8.63% |
| 65 to 74 years | 2,254 | 7.14%, see rank | 7.24% | 6.54% |
| 75 to 84 | 1,802 | 5.70%, see rank | 5.44% | 4.39% |
| 85 years and over | 697 | 2.21%, see rank | 2.23% | 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.
