Marion County Historical Age Data
ACS 2010-2014 data
Total population: 19,965
Median Age (
see rank)
| Marion County | 38.40 years old |
| Kentucky | 38.30 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| Marion County | 36.80 years old |
| Kentucky | 37.00 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| Marion County | 39.50 years old |
| Kentucky | 39.70 years old |
| U.S. | 38.80 years old |
| | Marion County | % of the Total Population | Kentucky | U.S. |
| Under 5 years | 1,292 | 6.47%, see rank | 6.34% | 6.36% |
| 5 to 9 years | 1,319 | 6.61%, see rank | 6.44% | 6.51% |
| 10 to 14 years | 1,428 | 7.15%, see rank | 6.56% | 6.59% |
| 15 to 19 years | 1,167 | 5.85%, see rank | 6.59% | 6.85% |
| 20 to 24 years | 1,156 | 5.79%, see rank | 7.01% | 7.13% |
| 25 to 34 years | 2,750 | 13.77%, see rank | 12.91% | 13.47% |
| 35 to 44 years | 2,648 | 13.26%, see rank | 12.97% | 12.96% |
| 45 to 54 years | 2,969 | 14.87%, see rank | 14.30% | 14.09% |
| 55 to 64 years | 2,455 | 12.30%, see rank | 12.86% | 12.29% |
| 65 to 74 years | 1,526 | 7.64%, see rank | 8.08% | 7.64% |
| 75 to 84 | 790 | 3.96%, see rank | 4.25% | 4.25% |
| 85 years and over | 465 | 2.33%, see rank | 1.69% | 1.85% |
US Census 2010 data
Total population: 19,820
Median Age (
see rank)
| Marion County | 37.80 years old |
| Kentucky | 38.10 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Marion County | 36.20 years old |
| Kentucky | 36.70 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Marion County | 39.70 years old |
| Kentucky | 39.30 years old |
| U.S. | 38.50 years old |
| | Marion County | % of the Total Population | Kentucky | U.S. |
| Under 5 years | 1,322 | 6.67%, see rank | 6.51% | 6.54% |
| 5 to 9 years | 1,312 | 6.62%, see rank | 6.52% | 6.59% |
| 10 to 14 years | 1,374 | 6.93%, see rank | 6.55% | 6.70% |
| 15 to 19 years | 1,316 | 6.64%, see rank | 6.84% | 7.14% |
| 20 to 24 years | 1,076 | 5.43%, see rank | 6.68% | 6.99% |
| 25 to 34 years | 2,784 | 14.05%, see rank | 13.05% | 13.30% |
| 35 to 44 years | 2,695 | 13.60%, see rank | 13.29% | 13.30% |
| 45 to 54 years | 3,025 | 15.26%, see rank | 14.82% | 14.58% |
| 55 to 64 years | 2,336 | 11.79%, see rank | 12.42% | 11.82% |
| 65 to 74 years | 1,387 | 7.00%, see rank | 7.50% | 7.03% |
| 75 to 84 | 826 | 4.17%, see rank | 4.23% | 4.23% |
| 85 years and over | 367 | 1.85%, see rank | 1.59% | 1.78% |
ACS 2008-2012 data
Total population: 19,872
Median Age (
see rank)
| Marion County | 38.20 years old |
| Kentucky | 38.00 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Marion County | 36.30 years old |
| Kentucky | 36.70 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Marion County | 39.60 years old |
| Kentucky | 39.30 years old |
| U.S. | 38.50 years old |
| | Marion County | % of the Total Population | Kentucky | U.S. |
| Under 5 years | 1,354 | 6.81%, see rank | 6.47% | 6.51% |
| 5 to 9 years | 1,168 | 5.88%, see rank | 6.47% | 6.57% |
| 10 to 14 years | 1,492 | 7.51%, see rank | 6.61% | 6.68% |
| 15 to 19 years | 1,384 | 6.96%, see rank | 6.78% | 7.09% |
| 20 to 24 years | 1,058 | 5.32%, see rank | 6.80% | 7.04% |
| 25 to 34 years | 2,669 | 13.43%, see rank | 12.98% | 13.32% |
| 35 to 44 years | 2,764 | 13.91%, see rank | 13.34% | 13.34% |
| 45 to 54 years | 2,977 | 14.98%, see rank | 14.66% | 14.44% |
| 55 to 64 years | 2,373 | 11.94%, see rank | 12.45% | 11.84% |
| 65 to 74 years | 1,413 | 7.11%, see rank | 7.59% | 7.12% |
| 75 to 84 | 760 | 3.82%, see rank | 4.21% | 4.25% |
| 85 years and over | 460 | 2.31%, see rank | 1.64% | 1.78% |
ACS 2006-2010 data
Total population: 19,619
Median Age (
see rank)
| Marion County | 37.80 years old |
| Kentucky | 37.70 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| Marion County | 35.60 years old |
| Kentucky | 36.30 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| Marion County | 39.80 years old |
| Kentucky | 39.00 years old |
| U.S. | 38.10 years old |
| | Marion County | % of the Total Population | Kentucky | U.S. |
| Under 5 years | 1,340 | 6.83%, see rank | 6.49% | 6.62% |
| 5 to 9 years | 1,254 | 6.39%, see rank | 6.53% | 6.62% |
| 10 to 14 years | 1,406 | 7.17%, see rank | 6.65% | 6.79% |
| 15 to 19 years | 1,421 | 7.24%, see rank | 6.96% | 7.28% |
| 20 to 24 years | 1,063 | 5.42%, see rank | 6.73% | 6.98% |
| 25 to 34 years | 2,654 | 13.53%, see rank | 13.03% | 13.22% |
| 35 to 44 years | 2,817 | 14.36%, see rank | 13.86% | 13.89% |
| 45 to 54 years | 2,897 | 14.77%, see rank | 14.80% | 14.57% |
| 55 to 64 years | 2,329 | 11.87%, see rank | 11.89% | 11.28% |
| 65 to 74 years | 1,273 | 6.49%, see rank | 7.24% | 6.74% |
| 75 to 84 | 912 | 4.65%, see rank | 4.23% | 4.30% |
| 85 years and over | 253 | 1.29%, see rank | 1.59% | 1.70% |
ACS 2005-2009 data
Total population: 19,245
Median Age (
see rank)
| Marion County | 37.60 years old |
| Kentucky | 37.30 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| Marion County | 34.60 years old |
| Kentucky | 35.80 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| Marion County | 39.70 years old |
| Kentucky | 38.70 years old |
| U.S. | 37.90 years old |
| | Marion County | % of the Total Population | Kentucky | U.S. |
| Under 5 years | 1,322 | 6.87%, see rank | 6.66% | 6.92% |
| 5 to 9 years | 1,313 | 6.82%, see rank | 6.43% | 6.59% |
| 10 to 14 years | 1,282 | 6.66%, see rank | 6.57% | 6.83% |
| 15 to 19 years | 1,488 | 7.73%, see rank | 6.86% | 7.15% |
| 20 to 24 years | 1,199 | 6.23%, see rank | 7.03% | 7.02% |
| 25 to 34 years | 2,482 | 12.90%, see rank | 13.30% | 13.42% |
| 35 to 44 years | 2,887 | 15.00%, see rank | 14.13% | 14.18% |
| 45 to 54 years | 2,741 | 14.24%, see rank | 14.71% | 14.48% |
| 55 to 64 years | 2,231 | 11.59%, see rank | 11.42% | 10.81% |
| 65 to 74 years | 1,203 | 6.25%, see rank | 6.97% | 6.50% |
| 75 to 84 | 894 | 4.65%, see rank | 4.33% | 4.40% |
| 85 years and over | 203 | 1.05%, see rank | 1.58% | 1.71% |
US Census 2000 data
Total population: 18,212
Median Age (
see rank)
| Marion County | 35.40 years old |
| Kentucky | 35.90 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| Marion County | 34.20 years old |
| Kentucky | 34.60 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| Marion County | 36.80 years old |
| Kentucky | 37.10 years old |
| U.S. | 36.50 years old |
| | Marion County | % of the Total Population | Kentucky | U.S. |
| Under 5 years | 1,216 | 6.68%, see rank | 6.58% | 6.81% |
| 5 to 9 years | 1,304 | 7.16%, see rank | 6.91% | 7.30% |
| 10 to 14 years | 1,296 | 7.12%, see rank | 6.91% | 7.29% |
| 15 to 19 years | 1,280 | 7.03%, see rank | 7.15% | 7.18% |
| 20 to 24 years | 1,301 | 7.14%, see rank | 7.00% | 6.74% |
| 25 to 34 years | 2,575 | 14.14%, see rank | 14.06% | 14.18% |
| 35 to 44 years | 2,946 | 16.18%, see rank | 15.90% | 16.04% |
| 45 to 54 years | 2,443 | 13.41%, see rank | 13.78% | 13.39% |
| 55 to 64 years | 1,512 | 8.30%, see rank | 9.22% | 8.63% |
| 65 to 74 years | 1,240 | 6.81%, see rank | 6.78% | 6.54% |
| 75 to 84 | 751 | 4.12%, see rank | 4.27% | 4.39% |
| 85 years and over | 348 | 1.91%, see rank | 1.44% | 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.
