Marion County Historical Age Data
ACS 2010-2014 data
Total population: 919,336
Median Age (
see rank)
| Marion County | 34.00 years old |
| Indiana | 37.20 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| Marion County | 33.00 years old |
| Indiana | 35.90 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| Marion County | 35.10 years old |
| Indiana | 38.50 years old |
| U.S. | 38.80 years old |
| | Marion County | % of the Total Population | Indiana | U.S. |
| Under 5 years | 69,365 | 7.55%, see rank | 6.48% | 6.36% |
| 5 to 9 years | 63,735 | 6.93%, see rank | 6.81% | 6.51% |
| 10 to 14 years | 61,249 | 6.66%, see rank | 6.87% | 6.59% |
| 15 to 19 years | 58,769 | 6.39%, see rank | 7.09% | 6.85% |
| 20 to 24 years | 69,237 | 7.53%, see rank | 7.21% | 7.13% |
| 25 to 34 years | 149,528 | 16.26%, see rank | 12.78% | 13.47% |
| 35 to 44 years | 119,226 | 12.97%, see rank | 12.70% | 12.96% |
| 45 to 54 years | 124,295 | 13.52%, see rank | 14.04% | 14.09% |
| 55 to 64 years | 103,593 | 11.27%, see rank | 12.43% | 12.29% |
| 65 to 74 years | 54,740 | 5.95%, see rank | 7.52% | 7.64% |
| 75 to 84 | 31,059 | 3.38%, see rank | 4.22% | 4.25% |
| 85 years and over | 14,540 | 1.58%, see rank | 1.84% | 1.85% |
US Census 2010 data
Total population: 903,393
Median Age (
see rank)
| Marion County | 33.90 years old |
| Indiana | 37.00 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Marion County | 32.80 years old |
| Indiana | 35.70 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Marion County | 35.00 years old |
| Indiana | 38.20 years old |
| U.S. | 38.50 years old |
| | Marion County | % of the Total Population | Indiana | U.S. |
| Under 5 years | 68,160 | 7.54%, see rank | 6.69% | 6.54% |
| 5 to 9 years | 62,286 | 6.89%, see rank | 6.86% | 6.59% |
| 10 to 14 years | 59,490 | 6.59%, see rank | 6.97% | 6.70% |
| 15 to 19 years | 62,576 | 6.93%, see rank | 7.33% | 7.14% |
| 20 to 24 years | 68,582 | 7.59%, see rank | 6.97% | 6.99% |
| 25 to 34 years | 144,481 | 15.99%, see rank | 12.76% | 13.30% |
| 35 to 44 years | 118,971 | 13.17%, see rank | 12.97% | 13.30% |
| 45 to 54 years | 127,404 | 14.10%, see rank | 14.60% | 14.58% |
| 55 to 64 years | 95,341 | 10.55%, see rank | 11.86% | 11.82% |
| 65 to 74 years | 50,572 | 5.60%, see rank | 6.98% | 7.03% |
| 75 to 84 | 31,614 | 3.50%, see rank | 4.22% | 4.23% |
| 85 years and over | 13,916 | 1.54%, see rank | 1.78% | 1.78% |
ACS 2008-2012 data
Total population: 904,535
Median Age (
see rank)
| Marion County | 33.90 years old |
| Indiana | 37.00 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Marion County | 32.80 years old |
| Indiana | 35.60 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Marion County | 35.10 years old |
| Indiana | 38.30 years old |
| U.S. | 38.50 years old |
| | Marion County | % of the Total Population | Indiana | U.S. |
| Under 5 years | 68,480 | 7.57%, see rank | 6.65% | 6.51% |
| 5 to 9 years | 61,902 | 6.84%, see rank | 6.83% | 6.57% |
| 10 to 14 years | 60,430 | 6.68%, see rank | 6.97% | 6.68% |
| 15 to 19 years | 61,109 | 6.76%, see rank | 7.30% | 7.09% |
| 20 to 24 years | 68,364 | 7.56%, see rank | 7.05% | 7.04% |
| 25 to 34 years | 145,744 | 16.11%, see rank | 12.78% | 13.32% |
| 35 to 44 years | 119,350 | 13.19%, see rank | 13.01% | 13.34% |
| 45 to 54 years | 126,221 | 13.95%, see rank | 14.45% | 14.44% |
| 55 to 64 years | 96,098 | 10.62%, see rank | 11.90% | 11.84% |
| 65 to 74 years | 51,145 | 5.65%, see rank | 7.05% | 7.12% |
| 75 to 84 | 32,290 | 3.57%, see rank | 4.29% | 4.25% |
| 85 years and over | 13,402 | 1.48%, see rank | 1.73% | 1.78% |
ACS 2006-2010 data
Total population: 890,976
Median Age (
see rank)
| Marion County | 34.00 years old |
| Indiana | 36.60 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| Marion County | 32.90 years old |
| Indiana | 35.30 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| Marion County | 35.10 years old |
| Indiana | 37.90 years old |
| U.S. | 38.10 years old |
| | Marion County | % of the Total Population | Indiana | U.S. |
| Under 5 years | 67,162 | 7.54%, see rank | 6.77% | 6.62% |
| 5 to 9 years | 61,920 | 6.95%, see rank | 6.91% | 6.62% |
| 10 to 14 years | 58,088 | 6.52%, see rank | 7.01% | 6.79% |
| 15 to 19 years | 62,065 | 6.97%, see rank | 7.41% | 7.28% |
| 20 to 24 years | 66,979 | 7.52%, see rank | 7.00% | 6.98% |
| 25 to 34 years | 142,383 | 15.98%, see rank | 12.80% | 13.22% |
| 35 to 44 years | 122,168 | 13.71%, see rank | 13.52% | 13.89% |
| 45 to 54 years | 126,362 | 14.18%, see rank | 14.62% | 14.57% |
| 55 to 64 years | 88,771 | 9.96%, see rank | 11.27% | 11.28% |
| 65 to 74 years | 49,080 | 5.51%, see rank | 6.69% | 6.74% |
| 75 to 84 | 32,872 | 3.69%, see rank | 4.34% | 4.30% |
| 85 years and over | 13,126 | 1.47%, see rank | 1.67% | 1.70% |
ACS 2005-2009 data
Total population: 878,881
Median Age (
see rank)
| Marion County | 33.70 years old |
| Indiana | 36.40 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| Marion County | 32.50 years old |
| Indiana | 35.10 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| Marion County | 34.80 years old |
| Indiana | 37.80 years old |
| U.S. | 37.90 years old |
| | Marion County | % of the Total Population | Indiana | U.S. |
| Under 5 years | 71,993 | 8.19%, see rank | 6.96% | 6.92% |
| 5 to 9 years | 60,191 | 6.85%, see rank | 6.77% | 6.59% |
| 10 to 14 years | 57,878 | 6.59%, see rank | 6.98% | 6.83% |
| 15 to 19 years | 57,526 | 6.55%, see rank | 7.28% | 7.15% |
| 20 to 24 years | 61,057 | 6.95%, see rank | 7.08% | 7.02% |
| 25 to 34 years | 148,548 | 16.90%, see rank | 13.05% | 13.42% |
| 35 to 44 years | 121,475 | 13.82%, see rank | 13.86% | 14.18% |
| 45 to 54 years | 122,643 | 13.95%, see rank | 14.59% | 14.48% |
| 55 to 64 years | 82,816 | 9.42%, see rank | 10.84% | 10.81% |
| 65 to 74 years | 47,871 | 5.45%, see rank | 6.51% | 6.50% |
| 75 to 84 | 33,347 | 3.79%, see rank | 4.38% | 4.40% |
| 85 years and over | 13,536 | 1.54%, see rank | 1.71% | 1.71% |
US Census 2000 data
Total population: 860,454
Median Age (
see rank)
| Marion County | 33.60 years old |
| Indiana | 35.20 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| Marion County | 32.30 years old |
| Indiana | 33.90 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| Marion County | 34.90 years old |
| Indiana | 36.50 years old |
| U.S. | 36.50 years old |
| | Marion County | % of the Total Population | Indiana | U.S. |
| Under 5 years | 63,640 | 7.40%, see rank | 6.96% | 6.81% |
| 5 to 9 years | 63,107 | 7.33%, see rank | 7.29% | 7.30% |
| 10 to 14 years | 60,397 | 7.02%, see rank | 7.29% | 7.29% |
| 15 to 19 years | 57,565 | 6.69%, see rank | 7.46% | 7.18% |
| 20 to 24 years | 62,811 | 7.30%, see rank | 7.00% | 6.74% |
| 25 to 34 years | 141,612 | 16.46%, see rank | 13.67% | 14.18% |
| 35 to 44 years | 141,604 | 16.46%, see rank | 15.80% | 16.04% |
| 45 to 54 years | 108,992 | 12.67%, see rank | 13.43% | 13.39% |
| 55 to 64 years | 65,192 | 7.58%, see rank | 8.71% | 8.63% |
| 65 to 74 years | 50,148 | 5.83%, see rank | 6.50% | 6.54% |
| 75 to 84 | 33,873 | 3.94%, see rank | 4.37% | 4.39% |
| 85 years and over | 11,513 | 1.34%, see rank | 1.51% | 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.
