Marion County Historical Age Data
ACS 2010-2014 data
Total population: 33,308
Median Age (
see rank)
Marion County | 38.80 years old |
Iowa | 38.00 years old |
U.S. | 37.40 years old |
Median Age, Male (
see rank)
Marion County | 37.40 years old |
Iowa | 36.70 years old |
U.S. | 36.10 years old |
Median Age, Female (
see rank)
Marion County | 39.90 years old |
Iowa | 39.40 years old |
U.S. | 38.80 years old |
| Marion County | % of the Total Population | Iowa | U.S. |
Under 5 years | 2,125 | 6.38%, see rank | 6.39% | 6.36% |
5 to 9 years | 2,313 | 6.94%, see rank | 6.62% | 6.51% |
10 to 14 years | 2,322 | 6.97%, see rank | 6.58% | 6.59% |
15 to 19 years | 2,598 | 7.80%, see rank | 6.96% | 6.85% |
20 to 24 years | 2,309 | 6.93%, see rank | 7.21% | 7.13% |
25 to 34 years | 3,729 | 11.20%, see rank | 12.65% | 13.47% |
35 to 44 years | 3,818 | 11.46%, see rank | 11.80% | 12.96% |
45 to 54 years | 4,596 | 13.80%, see rank | 13.73% | 14.09% |
55 to 64 years | 4,160 | 12.49%, see rank | 12.80% | 12.29% |
65 to 74 years | 2,731 | 8.20%, see rank | 7.81% | 7.64% |
75 to 84 | 1,872 | 5.62%, see rank | 4.98% | 4.25% |
85 years and over | 735 | 2.21%, see rank | 2.48% | 1.85% |
US Census 2010 data
Total population: 33,309
Median Age (
see rank)
Marion County | 38.60 years old |
Iowa | 38.10 years old |
U.S. | 37.20 years old |
Median Age, Male (
see rank)
Marion County | 37.30 years old |
Iowa | 36.60 years old |
U.S. | 35.80 years old |
Median Age, Female (
see rank)
Marion County | 39.80 years old |
Iowa | 39.50 years old |
U.S. | 38.50 years old |
| Marion County | % of the Total Population | Iowa | U.S. |
Under 5 years | 2,220 | 6.66%, see rank | 6.63% | 6.54% |
5 to 9 years | 2,286 | 6.86%, see rank | 6.59% | 6.59% |
10 to 14 years | 2,356 | 7.07%, see rank | 6.59% | 6.70% |
15 to 19 years | 2,674 | 8.03%, see rank | 7.12% | 7.14% |
20 to 24 years | 2,224 | 6.68%, see rank | 7.00% | 6.99% |
25 to 34 years | 3,590 | 10.78%, see rank | 12.56% | 13.30% |
35 to 44 years | 3,929 | 11.80%, see rank | 11.97% | 13.30% |
45 to 54 years | 4,860 | 14.59%, see rank | 14.43% | 14.58% |
55 to 64 years | 3,978 | 11.94%, see rank | 12.24% | 11.82% |
65 to 74 years | 2,622 | 7.87%, see rank | 7.37% | 7.03% |
75 to 84 | 1,745 | 5.24%, see rank | 5.04% | 4.23% |
85 years and over | 825 | 2.48%, see rank | 2.45% | 1.78% |
ACS 2008-2012 data
Total population: 33,388
Median Age (
see rank)
Marion County | 38.80 years old |
Iowa | 38.00 years old |
U.S. | 37.20 years old |
Median Age, Male (
see rank)
Marion County | 37.00 years old |
Iowa | 36.60 years old |
U.S. | 35.80 years old |
Median Age, Female (
see rank)
Marion County | 40.40 years old |
Iowa | 39.40 years old |
U.S. | 38.50 years old |
| Marion County | % of the Total Population | Iowa | U.S. |
Under 5 years | 2,202 | 6.60%, see rank | 6.53% | 6.51% |
5 to 9 years | 2,186 | 6.55%, see rank | 6.58% | 6.57% |
10 to 14 years | 2,429 | 7.28%, see rank | 6.60% | 6.68% |
15 to 19 years | 2,919 | 8.74%, see rank | 7.14% | 7.09% |
20 to 24 years | 1,982 | 5.94%, see rank | 7.08% | 7.04% |
25 to 34 years | 3,695 | 11.07%, see rank | 12.55% | 13.32% |
35 to 44 years | 3,998 | 11.97%, see rank | 12.02% | 13.34% |
45 to 54 years | 4,724 | 14.15%, see rank | 14.28% | 14.44% |
55 to 64 years | 3,994 | 11.96%, see rank | 12.27% | 11.84% |
65 to 74 years | 2,652 | 7.94%, see rank | 7.45% | 7.12% |
75 to 84 | 1,856 | 5.56%, see rank | 5.08% | 4.25% |
85 years and over | 751 | 2.25%, see rank | 2.42% | 1.78% |
ACS 2006-2010 data
Total population: 33,378
Median Age (
see rank)
Marion County | 38.70 years old |
Iowa | 38.00 years old |
U.S. | 36.90 years old |
Median Age, Male (
see rank)
Marion County | 37.20 years old |
Iowa | 36.60 years old |
U.S. | 35.60 years old |
Median Age, Female (
see rank)
Marion County | 40.30 years old |
Iowa | 39.30 years old |
U.S. | 38.10 years old |
| Marion County | % of the Total Population | Iowa | U.S. |
Under 5 years | 2,161 | 6.47%, see rank | 6.56% | 6.62% |
5 to 9 years | 2,213 | 6.63%, see rank | 6.57% | 6.62% |
10 to 14 years | 2,482 | 7.44%, see rank | 6.64% | 6.79% |
15 to 19 years | 2,670 | 8.00%, see rank | 7.28% | 7.28% |
20 to 24 years | 2,254 | 6.75%, see rank | 7.14% | 6.98% |
25 to 34 years | 3,548 | 10.63%, see rank | 12.25% | 13.22% |
35 to 44 years | 4,149 | 12.43%, see rank | 12.56% | 13.89% |
45 to 54 years | 4,867 | 14.58%, see rank | 14.61% | 14.57% |
55 to 64 years | 3,821 | 11.45%, see rank | 11.58% | 11.28% |
65 to 74 years | 2,557 | 7.66%, see rank | 7.21% | 6.74% |
75 to 84 | 1,862 | 5.58%, see rank | 5.24% | 4.30% |
85 years and over | 794 | 2.38%, see rank | 2.36% | 1.70% |
ACS 2005-2009 data
Total population: 32,650
Median Age (
see rank)
Marion County | 39.20 years old |
Iowa | 37.90 years old |
U.S. | 36.50 years old |
Median Age, Male (
see rank)
Marion County | 37.40 years old |
Iowa | 36.50 years old |
U.S. | 35.20 years old |
Median Age, Female (
see rank)
Marion County | 40.50 years old |
Iowa | 39.30 years old |
U.S. | 37.90 years old |
| Marion County | % of the Total Population | Iowa | U.S. |
Under 5 years | 2,066 | 6.33%, see rank | 6.61% | 6.92% |
5 to 9 years | 1,952 | 5.98%, see rank | 6.38% | 6.59% |
10 to 14 years | 2,454 | 7.52%, see rank | 6.59% | 6.83% |
15 to 19 years | 2,858 | 8.75%, see rank | 7.37% | 7.15% |
20 to 24 years | 2,052 | 6.28%, see rank | 7.65% | 7.02% |
25 to 34 years | 3,450 | 10.57%, see rank | 11.90% | 13.42% |
35 to 44 years | 4,241 | 12.99%, see rank | 12.95% | 14.18% |
45 to 54 years | 4,777 | 14.63%, see rank | 14.71% | 14.48% |
55 to 64 years | 3,588 | 10.99%, see rank | 11.11% | 10.81% |
65 to 74 years | 2,460 | 7.53%, see rank | 7.05% | 6.50% |
75 to 84 | 1,905 | 5.83%, see rank | 5.30% | 4.40% |
85 years and over | 847 | 2.59%, see rank | 2.38% | 1.71% |
US Census 2000 data
Total population: 32,052
Median Age (
see rank)
Marion County | 37.20 years old |
Iowa | 36.60 years old |
U.S. | 35.30 years old |
Median Age, Male (
see rank)
Marion County | 36.10 years old |
Iowa | 35.20 years old |
U.S. | 34.00 years old |
Median Age, Female (
see rank)
Marion County | 38.10 years old |
Iowa | 38.00 years old |
U.S. | 36.50 years old |
| Marion County | % of the Total Population | Iowa | U.S. |
Under 5 years | 2,015 | 6.29%, see rank | 6.44% | 6.81% |
5 to 9 years | 2,267 | 7.07%, see rank | 6.92% | 7.30% |
10 to 14 years | 2,371 | 7.40%, see rank | 7.19% | 7.29% |
15 to 19 years | 2,591 | 8.08%, see rank | 7.74% | 7.18% |
20 to 24 years | 2,140 | 6.68%, see rank | 6.96% | 6.74% |
25 to 34 years | 3,654 | 11.40%, see rank | 12.41% | 14.18% |
35 to 44 years | 4,833 | 15.08%, see rank | 15.21% | 16.04% |
45 to 54 years | 4,168 | 13.00%, see rank | 13.42% | 13.39% |
55 to 64 years | 2,912 | 9.09%, see rank | 8.80% | 8.63% |
65 to 74 years | 2,343 | 7.31%, see rank | 7.24% | 6.54% |
75 to 84 | 1,900 | 5.93%, see rank | 5.44% | 4.39% |
85 years and over | 858 | 2.68%, 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.