Mercer County Historical Age Data
ACS 2010-2014 data
Total population: 40,789
Median Age (
see rank)
| Mercer County | 39.80 years old |
| Ohio | 39.10 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| Mercer County | 39.20 years old |
| Ohio | 37.60 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| Mercer County | 40.80 years old |
| Ohio | 40.50 years old |
| U.S. | 38.80 years old |
| | Mercer County | % of the Total Population | Ohio | U.S. |
| Under 5 years | 2,746 | 6.73%, see rank | 6.06% | 6.36% |
| 5 to 9 years | 2,945 | 7.22%, see rank | 6.41% | 6.51% |
| 10 to 14 years | 2,933 | 7.19%, see rank | 6.59% | 6.59% |
| 15 to 19 years | 2,857 | 7.00%, see rank | 6.87% | 6.85% |
| 20 to 24 years | 2,231 | 5.47%, see rank | 6.77% | 7.13% |
| 25 to 34 years | 4,481 | 10.99%, see rank | 12.46% | 13.47% |
| 35 to 44 years | 4,719 | 11.57%, see rank | 12.43% | 12.96% |
| 45 to 54 years | 5,772 | 14.15%, see rank | 14.45% | 14.09% |
| 55 to 64 years | 5,560 | 13.63%, see rank | 13.23% | 12.29% |
| 65 to 74 years | 3,275 | 8.03%, see rank | 7.99% | 7.64% |
| 75 to 84 | 2,134 | 5.23%, see rank | 4.67% | 4.25% |
| 85 years and over | 1,136 | 2.79%, see rank | 2.09% | 1.85% |
US Census 2010 data
Total population: 40,814
Median Age (
see rank)
| Mercer County | 39.40 years old |
| Ohio | 38.80 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Mercer County | 38.00 years old |
| Ohio | 37.40 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Mercer County | 40.70 years old |
| Ohio | 40.00 years old |
| U.S. | 38.50 years old |
| | Mercer County | % of the Total Population | Ohio | U.S. |
| Under 5 years | 2,900 | 7.11%, see rank | 6.25% | 6.54% |
| 5 to 9 years | 2,878 | 7.05%, see rank | 6.48% | 6.59% |
| 10 to 14 years | 3,049 | 7.47%, see rank | 6.72% | 6.70% |
| 15 to 19 years | 3,023 | 7.41%, see rank | 7.14% | 7.14% |
| 20 to 24 years | 2,092 | 5.13%, see rank | 6.61% | 6.99% |
| 25 to 34 years | 4,492 | 11.01%, see rank | 12.22% | 13.30% |
| 35 to 44 years | 4,727 | 11.58%, see rank | 12.83% | 13.30% |
| 45 to 54 years | 6,134 | 15.03%, see rank | 15.10% | 14.58% |
| 55 to 64 years | 5,215 | 12.78%, see rank | 12.59% | 11.82% |
| 65 to 74 years | 3,040 | 7.45%, see rank | 7.37% | 7.03% |
| 75 to 84 | 2,292 | 5.62%, see rank | 4.69% | 4.23% |
| 85 years and over | 972 | 2.38%, see rank | 2.00% | 1.78% |
ACS 2008-2012 data
Total population: 40,866
Median Age (
see rank)
| Mercer County | 39.40 years old |
| Ohio | 38.80 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Mercer County | 38.20 years old |
| Ohio | 37.40 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Mercer County | 40.70 years old |
| Ohio | 40.10 years old |
| U.S. | 38.50 years old |
| | Mercer County | % of the Total Population | Ohio | U.S. |
| Under 5 years | 2,829 | 6.92%, see rank | 6.18% | 6.51% |
| 5 to 9 years | 2,887 | 7.06%, see rank | 6.50% | 6.57% |
| 10 to 14 years | 3,030 | 7.41%, see rank | 6.68% | 6.68% |
| 15 to 19 years | 3,025 | 7.40%, see rank | 7.09% | 7.09% |
| 20 to 24 years | 2,092 | 5.12%, see rank | 6.65% | 7.04% |
| 25 to 34 years | 4,532 | 11.09%, see rank | 12.32% | 13.32% |
| 35 to 44 years | 4,798 | 11.74%, see rank | 12.85% | 13.34% |
| 45 to 54 years | 6,070 | 14.85%, see rank | 14.95% | 14.44% |
| 55 to 64 years | 5,206 | 12.74%, see rank | 12.61% | 11.84% |
| 65 to 74 years | 3,113 | 7.62%, see rank | 7.46% | 7.12% |
| 75 to 84 | 2,234 | 5.47%, see rank | 4.71% | 4.25% |
| 85 years and over | 1,050 | 2.57%, see rank | 2.00% | 1.78% |
ACS 2006-2010 data
Total population: 40,958
Median Age (
see rank)
| Mercer County | 38.50 years old |
| Ohio | 38.30 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| Mercer County | 37.00 years old |
| Ohio | 36.90 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| Mercer County | 39.80 years old |
| Ohio | 39.60 years old |
| U.S. | 38.10 years old |
| | Mercer County | % of the Total Population | Ohio | U.S. |
| Under 5 years | 2,893 | 7.06%, see rank | 6.29% | 6.62% |
| 5 to 9 years | 2,866 | 7.00%, see rank | 6.57% | 6.62% |
| 10 to 14 years | 3,103 | 7.58%, see rank | 6.81% | 6.79% |
| 15 to 19 years | 3,153 | 7.70%, see rank | 7.27% | 7.28% |
| 20 to 24 years | 2,115 | 5.16%, see rank | 6.55% | 6.98% |
| 25 to 34 years | 4,465 | 10.90%, see rank | 12.29% | 13.22% |
| 35 to 44 years | 5,003 | 12.21%, see rank | 13.44% | 13.89% |
| 45 to 54 years | 6,290 | 15.36%, see rank | 15.16% | 14.57% |
| 55 to 64 years | 4,792 | 11.70%, see rank | 11.85% | 11.28% |
| 65 to 74 years | 2,990 | 7.30%, see rank | 7.09% | 6.74% |
| 75 to 84 | 2,537 | 6.19%, see rank | 4.78% | 4.30% |
| 85 years and over | 751 | 1.83%, see rank | 1.89% | 1.70% |
ACS 2005-2009 data
Total population: 40,761
Median Age (
see rank)
| Mercer County | 38.10 years old |
| Ohio | 37.90 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| Mercer County | 36.60 years old |
| Ohio | 36.50 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| Mercer County | 39.70 years old |
| Ohio | 39.40 years old |
| U.S. | 37.90 years old |
| | Mercer County | % of the Total Population | Ohio | U.S. |
| Under 5 years | 2,857 | 7.01%, see rank | 6.44% | 6.92% |
| 5 to 9 years | 2,927 | 7.18%, see rank | 6.48% | 6.59% |
| 10 to 14 years | 3,084 | 7.57%, see rank | 6.76% | 6.83% |
| 15 to 19 years | 3,225 | 7.91%, see rank | 7.14% | 7.15% |
| 20 to 24 years | 2,504 | 6.14%, see rank | 6.53% | 7.02% |
| 25 to 34 years | 3,970 | 9.74%, see rank | 12.76% | 13.42% |
| 35 to 44 years | 5,253 | 12.89%, see rank | 13.82% | 14.18% |
| 45 to 54 years | 6,386 | 15.67%, see rank | 15.17% | 14.48% |
| 55 to 64 years | 4,568 | 11.21%, see rank | 11.32% | 10.81% |
| 65 to 74 years | 2,920 | 7.16%, see rank | 6.92% | 6.50% |
| 75 to 84 | 2,363 | 5.80%, see rank | 4.80% | 4.40% |
| 85 years and over | 704 | 1.73%, see rank | 1.85% | 1.71% |
US Census 2000 data
Total population: 40,924
Median Age (
see rank)
| Mercer County | 35.70 years old |
| Ohio | 36.20 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| Mercer County | 34.30 years old |
| Ohio | 34.90 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| Mercer County | 37.10 years old |
| Ohio | 37.50 years old |
| U.S. | 36.50 years old |
| | Mercer County | % of the Total Population | Ohio | U.S. |
| Under 5 years | 2,975 | 7.27%, see rank | 6.65% | 6.81% |
| 5 to 9 years | 3,399 | 8.31%, see rank | 7.19% | 7.30% |
| 10 to 14 years | 3,564 | 8.71%, see rank | 7.29% | 7.29% |
| 15 to 19 years | 3,351 | 8.19%, see rank | 7.20% | 7.18% |
| 20 to 24 years | 2,070 | 5.06%, see rank | 6.42% | 6.74% |
| 25 to 34 years | 4,701 | 11.49%, see rank | 13.39% | 14.18% |
| 35 to 44 years | 6,237 | 15.24%, see rank | 15.90% | 16.04% |
| 45 to 54 years | 5,325 | 13.01%, see rank | 13.80% | 13.39% |
| 55 to 64 years | 3,366 | 8.23%, see rank | 8.89% | 8.63% |
| 65 to 74 years | 3,089 | 7.55%, see rank | 6.96% | 6.54% |
| 75 to 84 | 2,182 | 5.33%, see rank | 4.76% | 4.39% |
| 85 years and over | 665 | 1.62%, see rank | 1.56% | 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.
