Mercer County Historical Age Data
ACS 2010-2014 data
Total population: 3,735
Median Age (
see rank)
| Mercer County | 43.90 years old |
| Missouri | 38.10 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| Mercer County | 43.00 years old |
| Missouri | 36.70 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| Mercer County | 44.80 years old |
| Missouri | 39.50 years old |
| U.S. | 38.80 years old |
| | Mercer County | % of the Total Population | Missouri | U.S. |
| Under 5 years | 215 | 5.76%, see rank | 6.29% | 6.36% |
| 5 to 9 years | 258 | 6.91%, see rank | 6.50% | 6.51% |
| 10 to 14 years | 262 | 7.01%, see rank | 6.55% | 6.59% |
| 15 to 19 years | 267 | 7.15%, see rank | 6.78% | 6.85% |
| 20 to 24 years | 146 | 3.91%, see rank | 7.04% | 7.13% |
| 25 to 34 years | 350 | 9.37%, see rank | 13.15% | 13.47% |
| 35 to 44 years | 417 | 11.16%, see rank | 12.20% | 12.96% |
| 45 to 54 years | 539 | 14.43%, see rank | 14.18% | 14.09% |
| 55 to 64 years | 526 | 14.08%, see rank | 12.67% | 12.29% |
| 65 to 74 years | 375 | 10.04%, see rank | 8.07% | 7.64% |
| 75 to 84 | 281 | 7.52%, see rank | 4.59% | 4.25% |
| 85 years and over | 99 | 2.65%, see rank | 1.98% | 1.85% |
US Census 2010 data
Total population: 3,785
Median Age (
see rank)
| Mercer County | 43.50 years old |
| Missouri | 37.90 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Mercer County | 42.70 years old |
| Missouri | 36.50 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Mercer County | 44.20 years old |
| Missouri | 39.20 years old |
| U.S. | 38.50 years old |
| | Mercer County | % of the Total Population | Missouri | U.S. |
| Under 5 years | 262 | 6.92%, see rank | 6.52% | 6.54% |
| 5 to 9 years | 243 | 6.42%, see rank | 6.52% | 6.59% |
| 10 to 14 years | 296 | 7.82%, see rank | 6.63% | 6.70% |
| 15 to 19 years | 246 | 6.50%, see rank | 7.08% | 7.14% |
| 20 to 24 years | 149 | 3.94%, see rank | 6.90% | 6.99% |
| 25 to 34 years | 347 | 9.17%, see rank | 12.95% | 13.30% |
| 35 to 44 years | 405 | 10.70%, see rank | 12.50% | 13.30% |
| 45 to 54 years | 585 | 15.46%, see rank | 14.84% | 14.58% |
| 55 to 64 years | 489 | 12.92%, see rank | 12.08% | 11.82% |
| 65 to 74 years | 388 | 10.25%, see rank | 7.52% | 7.03% |
| 75 to 84 | 247 | 6.53%, see rank | 4.58% | 4.23% |
| 85 years and over | 128 | 3.38%, see rank | 1.90% | 1.78% |
ACS 2008-2012 data
Total population: 3,763
Median Age (
see rank)
| Mercer County | 43.70 years old |
| Missouri | 37.90 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Mercer County | 43.10 years old |
| Missouri | 36.50 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Mercer County | 45.20 years old |
| Missouri | 39.20 years old |
| U.S. | 38.50 years old |
| | Mercer County | % of the Total Population | Missouri | U.S. |
| Under 5 years | 251 | 6.67%, see rank | 6.44% | 6.51% |
| 5 to 9 years | 257 | 6.83%, see rank | 6.51% | 6.57% |
| 10 to 14 years | 246 | 6.54%, see rank | 6.63% | 6.68% |
| 15 to 19 years | 238 | 6.32%, see rank | 7.04% | 7.09% |
| 20 to 24 years | 170 | 4.52%, see rank | 6.95% | 7.04% |
| 25 to 34 years | 352 | 9.35%, see rank | 12.96% | 13.32% |
| 35 to 44 years | 410 | 10.90%, see rank | 12.57% | 13.34% |
| 45 to 54 years | 581 | 15.44%, see rank | 14.66% | 14.44% |
| 55 to 64 years | 487 | 12.94%, see rank | 12.13% | 11.84% |
| 65 to 74 years | 382 | 10.15%, see rank | 7.60% | 7.12% |
| 75 to 84 | 273 | 7.25%, see rank | 4.57% | 4.25% |
| 85 years and over | 116 | 3.08%, see rank | 1.93% | 1.78% |
ACS 2006-2010 data
Total population: 3,731
Median Age (
see rank)
| Mercer County | 43.90 years old |
| Missouri | 37.60 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| Mercer County | 43.40 years old |
| Missouri | 36.20 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| Mercer County | 45.40 years old |
| Missouri | 38.90 years old |
| U.S. | 38.10 years old |
| | Mercer County | % of the Total Population | Missouri | U.S. |
| Under 5 years | 247 | 6.62%, see rank | 6.53% | 6.62% |
| 5 to 9 years | 242 | 6.49%, see rank | 6.51% | 6.62% |
| 10 to 14 years | 256 | 6.86%, see rank | 6.77% | 6.79% |
| 15 to 19 years | 258 | 6.92%, see rank | 7.26% | 7.28% |
| 20 to 24 years | 163 | 4.37%, see rank | 6.96% | 6.98% |
| 25 to 34 years | 342 | 9.17%, see rank | 12.74% | 13.22% |
| 35 to 44 years | 403 | 10.80%, see rank | 13.15% | 13.89% |
| 45 to 54 years | 608 | 16.30%, see rank | 14.84% | 14.57% |
| 55 to 64 years | 460 | 12.33%, see rank | 11.52% | 11.28% |
| 65 to 74 years | 372 | 9.97%, see rank | 7.25% | 6.74% |
| 75 to 84 | 288 | 7.72%, see rank | 4.61% | 4.30% |
| 85 years and over | 92 | 2.47%, see rank | 1.87% | 1.70% |
ACS 2005-2009 data
Total population: 3,474
Median Age (
see rank)
| Mercer County | 45.40 years old |
| Missouri | 37.30 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| Mercer County | 43.70 years old |
| Missouri | 35.90 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| Mercer County | 46.70 years old |
| Missouri | 38.70 years old |
| U.S. | 37.90 years old |
| | Mercer County | % of the Total Population | Missouri | U.S. |
| Under 5 years | 211 | 6.07%, see rank | 6.70% | 6.92% |
| 5 to 9 years | 169 | 4.86%, see rank | 6.45% | 6.59% |
| 10 to 14 years | 277 | 7.97%, see rank | 6.78% | 6.83% |
| 15 to 19 years | 183 | 5.27%, see rank | 7.16% | 7.15% |
| 20 to 24 years | 208 | 5.99%, see rank | 7.13% | 7.02% |
| 25 to 34 years | 303 | 8.72%, see rank | 12.83% | 13.42% |
| 35 to 44 years | 365 | 10.51%, see rank | 13.57% | 14.18% |
| 45 to 54 years | 584 | 16.81%, see rank | 14.77% | 14.48% |
| 55 to 64 years | 453 | 13.04%, see rank | 11.12% | 10.81% |
| 65 to 74 years | 352 | 10.13%, see rank | 6.95% | 6.50% |
| 75 to 84 | 293 | 8.43%, see rank | 4.67% | 4.40% |
| 85 years and over | 76 | 2.19%, see rank | 1.88% | 1.71% |
US Census 2000 data
Total population: 3,757
Median Age (
see rank)
| Mercer County | 42.40 years old |
| Missouri | 36.10 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| Mercer County | 40.90 years old |
| Missouri | 34.80 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| Mercer County | 43.90 years old |
| Missouri | 37.40 years old |
| U.S. | 36.50 years old |
| | Mercer County | % of the Total Population | Missouri | U.S. |
| Under 5 years | 209 | 5.56%, see rank | 6.61% | 6.81% |
| 5 to 9 years | 225 | 5.99%, see rank | 7.13% | 7.30% |
| 10 to 14 years | 245 | 6.52%, see rank | 7.36% | 7.29% |
| 15 to 19 years | 283 | 7.53%, see rank | 7.39% | 7.18% |
| 20 to 24 years | 155 | 4.13%, see rank | 6.60% | 6.74% |
| 25 to 34 years | 348 | 9.26%, see rank | 13.20% | 14.18% |
| 35 to 44 years | 562 | 14.96%, see rank | 15.86% | 16.04% |
| 45 to 54 years | 479 | 12.75%, see rank | 13.27% | 13.39% |
| 55 to 64 years | 424 | 11.29%, see rank | 9.07% | 8.63% |
| 65 to 74 years | 408 | 10.86%, see rank | 7.03% | 6.54% |
| 75 to 84 | 285 | 7.59%, see rank | 4.71% | 4.39% |
| 85 years and over | 134 | 3.57%, see rank | 1.76% | 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.
