Clay County Historical Age Data
ACS 2010-2014 data
Total population: 227,984
Median Age (
see rank)
| Clay County | 36.50 years old |
| Missouri | 38.10 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| Clay County | 35.50 years old |
| Missouri | 36.70 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| Clay County | 37.60 years old |
| Missouri | 39.50 years old |
| U.S. | 38.80 years old |
| | Clay County | % of the Total Population | Missouri | U.S. |
| Under 5 years | 15,677 | 6.88%, see rank | 6.29% | 6.36% |
| 5 to 9 years | 16,746 | 7.35%, see rank | 6.50% | 6.51% |
| 10 to 14 years | 16,019 | 7.03%, see rank | 6.55% | 6.59% |
| 15 to 19 years | 14,699 | 6.45%, see rank | 6.78% | 6.85% |
| 20 to 24 years | 13,286 | 5.83%, see rank | 7.04% | 7.13% |
| 25 to 34 years | 32,610 | 14.30%, see rank | 13.15% | 13.47% |
| 35 to 44 years | 32,404 | 14.21%, see rank | 12.20% | 12.96% |
| 45 to 54 years | 32,478 | 14.25%, see rank | 14.18% | 14.09% |
| 55 to 64 years | 26,876 | 11.79%, see rank | 12.67% | 12.29% |
| 65 to 74 years | 15,612 | 6.85%, see rank | 8.07% | 7.64% |
| 75 to 84 | 8,234 | 3.61%, see rank | 4.59% | 4.25% |
| 85 years and over | 3,343 | 1.47%, see rank | 1.98% | 1.85% |
US Census 2010 data
Total population: 221,939
Median Age (
see rank)
| Clay County | 36.20 years old |
| Missouri | 37.90 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Clay County | 35.20 years old |
| Missouri | 36.50 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Clay County | 37.20 years old |
| Missouri | 39.20 years old |
| U.S. | 38.50 years old |
| | Clay County | % of the Total Population | Missouri | U.S. |
| Under 5 years | 16,302 | 7.35%, see rank | 6.52% | 6.54% |
| 5 to 9 years | 16,276 | 7.33%, see rank | 6.52% | 6.59% |
| 10 to 14 years | 15,500 | 6.98%, see rank | 6.63% | 6.70% |
| 15 to 19 years | 14,431 | 6.50%, see rank | 7.08% | 7.14% |
| 20 to 24 years | 12,755 | 5.75%, see rank | 6.90% | 6.99% |
| 25 to 34 years | 31,857 | 14.35%, see rank | 12.95% | 13.30% |
| 35 to 44 years | 31,894 | 14.37%, see rank | 12.50% | 13.30% |
| 45 to 54 years | 32,798 | 14.78%, see rank | 14.84% | 14.58% |
| 55 to 64 years | 25,162 | 11.34%, see rank | 12.08% | 11.82% |
| 65 to 74 years | 13,921 | 6.27%, see rank | 7.52% | 7.03% |
| 75 to 84 | 7,979 | 3.60%, see rank | 4.58% | 4.23% |
| 85 years and over | 3,064 | 1.38%, see rank | 1.90% | 1.78% |
ACS 2008-2012 data
Total population: 222,048
Median Age (
see rank)
| Clay County | 36.40 years old |
| Missouri | 37.90 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Clay County | 35.30 years old |
| Missouri | 36.50 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Clay County | 37.40 years old |
| Missouri | 39.20 years old |
| U.S. | 38.50 years old |
| | Clay County | % of the Total Population | Missouri | U.S. |
| Under 5 years | 15,973 | 7.19%, see rank | 6.44% | 6.51% |
| 5 to 9 years | 16,880 | 7.60%, see rank | 6.51% | 6.57% |
| 10 to 14 years | 14,846 | 6.69%, see rank | 6.63% | 6.68% |
| 15 to 19 years | 14,268 | 6.43%, see rank | 7.04% | 7.09% |
| 20 to 24 years | 13,124 | 5.91%, see rank | 6.95% | 7.04% |
| 25 to 34 years | 31,938 | 14.38%, see rank | 12.96% | 13.32% |
| 35 to 44 years | 32,083 | 14.45%, see rank | 12.57% | 13.34% |
| 45 to 54 years | 32,423 | 14.60%, see rank | 14.66% | 14.44% |
| 55 to 64 years | 25,298 | 11.39%, see rank | 12.13% | 11.84% |
| 65 to 74 years | 14,128 | 6.36%, see rank | 7.60% | 7.12% |
| 75 to 84 | 7,785 | 3.51%, see rank | 4.57% | 4.25% |
| 85 years and over | 3,302 | 1.49%, see rank | 1.93% | 1.78% |
ACS 2006-2010 data
Total population: 215,015
Median Age (
see rank)
| Clay County | 36.00 years old |
| Missouri | 37.60 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| Clay County | 35.00 years old |
| Missouri | 36.20 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| Clay County | 37.10 years old |
| Missouri | 38.90 years old |
| U.S. | 38.10 years old |
| | Clay County | % of the Total Population | Missouri | U.S. |
| Under 5 years | 15,953 | 7.42%, see rank | 6.53% | 6.62% |
| 5 to 9 years | 16,538 | 7.69%, see rank | 6.51% | 6.62% |
| 10 to 14 years | 14,115 | 6.56%, see rank | 6.77% | 6.79% |
| 15 to 19 years | 14,051 | 6.53%, see rank | 7.26% | 7.28% |
| 20 to 24 years | 12,756 | 5.93%, see rank | 6.96% | 6.98% |
| 25 to 34 years | 31,163 | 14.49%, see rank | 12.74% | 13.22% |
| 35 to 44 years | 31,833 | 14.81%, see rank | 13.15% | 13.89% |
| 45 to 54 years | 31,489 | 14.65%, see rank | 14.84% | 14.57% |
| 55 to 64 years | 23,402 | 10.88%, see rank | 11.52% | 11.28% |
| 65 to 74 years | 12,947 | 6.02%, see rank | 7.25% | 6.74% |
| 75 to 84 | 7,804 | 3.63%, see rank | 4.61% | 4.30% |
| 85 years and over | 2,964 | 1.38%, see rank | 1.87% | 1.70% |
ACS 2005-2009 data
Total population: 217,596
Median Age (
see rank)
| Clay County | 35.70 years old |
| Missouri | 37.30 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| Clay County | 34.70 years old |
| Missouri | 35.90 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| Clay County | 36.90 years old |
| Missouri | 38.70 years old |
| U.S. | 37.90 years old |
| | Clay County | % of the Total Population | Missouri | U.S. |
| Under 5 years | 15,873 | 7.29%, see rank | 6.70% | 6.92% |
| 5 to 9 years | 16,109 | 7.40%, see rank | 6.45% | 6.59% |
| 10 to 14 years | 14,065 | 6.46%, see rank | 6.78% | 6.83% |
| 15 to 19 years | 14,131 | 6.49%, see rank | 7.16% | 7.15% |
| 20 to 24 years | 13,239 | 6.08%, see rank | 7.13% | 7.02% |
| 25 to 34 years | 33,290 | 15.30%, see rank | 12.83% | 13.42% |
| 35 to 44 years | 32,765 | 15.06%, see rank | 13.57% | 14.18% |
| 45 to 54 years | 31,608 | 14.53%, see rank | 14.77% | 14.48% |
| 55 to 64 years | 22,799 | 10.48%, see rank | 11.12% | 10.81% |
| 65 to 74 years | 12,641 | 5.81%, see rank | 6.95% | 6.50% |
| 75 to 84 | 8,187 | 3.76%, see rank | 4.67% | 4.40% |
| 85 years and over | 2,889 | 1.33%, see rank | 1.88% | 1.71% |
US Census 2000 data
Total population: 184,006
Median Age (
see rank)
| Clay County | 35.00 years old |
| Missouri | 36.10 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| Clay County | 34.10 years old |
| Missouri | 34.80 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| Clay County | 35.90 years old |
| Missouri | 37.40 years old |
| U.S. | 36.50 years old |
| | Clay County | % of the Total Population | Missouri | U.S. |
| Under 5 years | 13,213 | 7.18%, see rank | 6.61% | 6.81% |
| 5 to 9 years | 13,292 | 7.22%, see rank | 7.13% | 7.30% |
| 10 to 14 years | 13,112 | 7.13%, see rank | 7.36% | 7.29% |
| 15 to 19 years | 12,647 | 6.87%, see rank | 7.39% | 7.18% |
| 20 to 24 years | 11,333 | 6.16%, see rank | 6.60% | 6.74% |
| 25 to 34 years | 28,281 | 15.37%, see rank | 13.20% | 14.18% |
| 35 to 44 years | 31,243 | 16.98%, see rank | 15.86% | 16.04% |
| 45 to 54 years | 25,298 | 13.75%, see rank | 13.27% | 13.39% |
| 55 to 64 years | 15,739 | 8.55%, see rank | 9.07% | 8.63% |
| 65 to 74 years | 10,887 | 5.92%, see rank | 7.03% | 6.54% |
| 75 to 84 | 6,843 | 3.72%, see rank | 4.71% | 4.39% |
| 85 years and over | 2,118 | 1.15%, 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.
