51031 Zip Code Historical Age Data
ACS 2010-2014 data
Total population: 12,114
Median Age (
see rank)
| 51031 Zip Code | 40.60 years old |
| Iowa | 38.00 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| 51031 Zip Code | 38.60 years old |
| Iowa | 36.70 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| 51031 Zip Code | 42.60 years old |
| Iowa | 39.40 years old |
| U.S. | 38.80 years old |
| | 51031 Zip Code | % of the Total Population | Iowa | U.S. |
| Under 5 years | 822 | 6.79%, see rank | 6.39% | 6.36% |
| 5 to 9 years | 678 | 5.60%, see rank | 6.62% | 6.51% |
| 10 to 14 years | 805 | 6.65%, see rank | 6.58% | 6.59% |
| 15 to 19 years | 788 | 6.50%, see rank | 6.96% | 6.85% |
| 20 to 24 years | 632 | 5.22%, see rank | 7.21% | 7.13% |
| 25 to 34 years | 1,495 | 12.34%, see rank | 12.65% | 13.47% |
| 35 to 44 years | 1,393 | 11.50%, see rank | 11.80% | 12.96% |
| 45 to 54 years | 1,686 | 13.92%, see rank | 13.73% | 14.09% |
| 55 to 64 years | 1,829 | 15.10%, see rank | 12.80% | 12.29% |
| 65 to 74 years | 878 | 7.25%, see rank | 7.81% | 7.64% |
| 75 to 84 | 779 | 6.43%, see rank | 4.98% | 4.25% |
| 85 years and over | 329 | 2.72%, see rank | 2.48% | 1.85% |
US Census 2010 data
Total population: 12,336
Median Age (
see rank)
| 51031 Zip Code | 39.40 years old |
| Iowa | 38.10 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| 51031 Zip Code | 37.50 years old |
| Iowa | 36.60 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| 51031 Zip Code | 41.30 years old |
| Iowa | 39.50 years old |
| U.S. | 38.50 years old |
| | 51031 Zip Code | % of the Total Population | Iowa | U.S. |
| Under 5 years | 841 | 6.82%, see rank | 6.63% | 6.54% |
| 5 to 9 years | 865 | 7.01%, see rank | 6.59% | 6.59% |
| 10 to 14 years | 942 | 7.64%, see rank | 6.59% | 6.70% |
| 15 to 19 years | 889 | 7.21%, see rank | 7.12% | 7.14% |
| 20 to 24 years | 568 | 4.60%, see rank | 7.00% | 6.99% |
| 25 to 34 years | 1,425 | 11.55%, see rank | 12.56% | 13.30% |
| 35 to 44 years | 1,455 | 11.79%, see rank | 11.97% | 13.30% |
| 45 to 54 years | 1,957 | 15.86%, see rank | 14.43% | 14.58% |
| 55 to 64 years | 1,454 | 11.79%, see rank | 12.24% | 11.82% |
| 65 to 74 years | 900 | 7.30%, see rank | 7.37% | 7.03% |
| 75 to 84 | 696 | 5.64%, see rank | 5.04% | 4.23% |
| 85 years and over | 344 | 2.79%, see rank | 2.45% | 1.78% |
ACS 2008-2012 data
Total population: 12,070
Median Age (
see rank)
| 51031 Zip Code | 41.00 years old |
| Iowa | 38.00 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| 51031 Zip Code | 38.60 years old |
| Iowa | 36.60 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| 51031 Zip Code | 43.60 years old |
| Iowa | 39.40 years old |
| U.S. | 38.50 years old |
| | 51031 Zip Code | % of the Total Population | Iowa | U.S. |
| Under 5 years | 846 | 7.01%, see rank | 6.53% | 6.51% |
| 5 to 9 years | 596 | 4.94%, see rank | 6.58% | 6.57% |
| 10 to 14 years | 828 | 6.86%, see rank | 6.60% | 6.68% |
| 15 to 19 years | 830 | 6.88%, see rank | 7.14% | 7.09% |
| 20 to 24 years | 662 | 5.48%, see rank | 7.08% | 7.04% |
| 25 to 34 years | 1,389 | 11.51%, see rank | 12.55% | 13.32% |
| 35 to 44 years | 1,490 | 12.34%, see rank | 12.02% | 13.34% |
| 45 to 54 years | 1,867 | 15.47%, see rank | 14.28% | 14.44% |
| 55 to 64 years | 1,641 | 13.60%, see rank | 12.27% | 11.84% |
| 65 to 74 years | 820 | 6.79%, see rank | 7.45% | 7.12% |
| 75 to 84 | 941 | 7.80%, see rank | 5.08% | 4.25% |
| 85 years and over | 160 | 1.33%, see rank | 2.42% | 1.78% |
US Census 2000 data
Total population: 11,927
Median Age (
see rank)
| 51031 Zip Code | 36.70 years old |
| Iowa | 36.60 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| 51031 Zip Code | 34.90 years old |
| Iowa | 35.20 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| 51031 Zip Code | 38.00 years old |
| Iowa | 38.00 years old |
| U.S. | 36.50 years old |
| | 51031 Zip Code | % of the Total Population | Iowa | U.S. |
| Under 5 years | 857 | 7.19%, see rank | 6.44% | 6.81% |
| 5 to 9 years | 922 | 7.73%, see rank | 6.92% | 7.30% |
| 10 to 14 years | 948 | 7.95%, see rank | 7.19% | 7.29% |
| 15 to 19 years | 988 | 8.28%, see rank | 7.74% | 7.18% |
| 20 to 24 years | 597 | 5.01%, see rank | 6.96% | 6.74% |
| 25 to 34 years | 1,392 | 11.67%, see rank | 12.41% | 14.18% |
| 35 to 44 years | 1,922 | 16.11%, see rank | 15.21% | 16.04% |
| 45 to 54 years | 1,505 | 12.62%, see rank | 13.42% | 13.39% |
| 55 to 64 years | 974 | 8.17%, see rank | 8.80% | 8.63% |
| 65 to 74 years | 872 | 7.31%, see rank | 7.24% | 6.54% |
| 75 to 84 | 656 | 5.50%, see rank | 5.44% | 4.39% |
| 85 years and over | 294 | 2.46%, 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.
