Jefferson County Historical Age Data
ACS 2010-2014 data
Total population: 21,830
Median Age (
see rank)
Jefferson County | 40.10 years old |
Oregon | 38.90 years old |
U.S. | 37.40 years old |
Median Age, Male (
see rank)
Jefferson County | 37.90 years old |
Oregon | 37.90 years old |
U.S. | 36.10 years old |
Median Age, Female (
see rank)
Jefferson County | 41.60 years old |
Oregon | 40.00 years old |
U.S. | 38.80 years old |
| Jefferson County | % of the Total Population | Oregon | U.S. |
Under 5 years | 1,512 | 6.93%, see rank | 5.94% | 6.36% |
5 to 9 years | 1,439 | 6.59%, see rank | 6.15% | 6.51% |
10 to 14 years | 1,534 | 7.03%, see rank | 6.18% | 6.59% |
15 to 19 years | 1,614 | 7.39%, see rank | 6.35% | 6.85% |
20 to 24 years | 1,200 | 5.50%, see rank | 6.73% | 7.13% |
25 to 34 years | 2,410 | 11.04%, see rank | 13.65% | 13.47% |
35 to 44 years | 2,618 | 11.99%, see rank | 13.02% | 12.96% |
45 to 54 years | 2,820 | 12.92%, see rank | 13.44% | 14.09% |
55 to 64 years | 3,076 | 14.09%, see rank | 13.61% | 12.29% |
65 to 74 years | 2,314 | 10.60%, see rank | 8.49% | 7.64% |
75 to 84 | 993 | 4.55%, see rank | 4.36% | 4.25% |
85 years and over | 300 | 1.37%, see rank | 2.08% | 1.85% |
US Census 2010 data
Total population: 21,720
Median Age (
see rank)
Jefferson County | 39.60 years old |
Oregon | 38.40 years old |
U.S. | 37.20 years old |
Median Age, Male (
see rank)
Jefferson County | 39.10 years old |
Oregon | 37.30 years old |
U.S. | 35.80 years old |
Median Age, Female (
see rank)
Jefferson County | 40.10 years old |
Oregon | 39.50 years old |
U.S. | 38.50 years old |
| Jefferson County | % of the Total Population | Oregon | U.S. |
Under 5 years | 1,551 | 7.14%, see rank | 6.20% | 6.54% |
5 to 9 years | 1,442 | 6.64%, see rank | 6.19% | 6.59% |
10 to 14 years | 1,540 | 7.09%, see rank | 6.33% | 6.70% |
15 to 19 years | 1,535 | 7.07%, see rank | 6.65% | 7.14% |
20 to 24 years | 1,221 | 5.62%, see rank | 6.61% | 6.99% |
25 to 34 years | 2,399 | 11.05%, see rank | 13.68% | 13.30% |
35 to 44 years | 2,701 | 12.44%, see rank | 13.04% | 13.30% |
45 to 54 years | 3,048 | 14.03%, see rank | 14.07% | 14.58% |
55 to 64 years | 2,952 | 13.59%, see rank | 13.30% | 11.82% |
65 to 74 years | 2,086 | 9.60%, see rank | 7.57% | 7.03% |
75 to 84 | 968 | 4.46%, see rank | 4.32% | 4.23% |
85 years and over | 277 | 1.28%, see rank | 2.03% | 1.78% |
ACS 2008-2012 data
Total population: 21,746
Median Age (
see rank)
Jefferson County | 40.10 years old |
Oregon | 38.40 years old |
U.S. | 37.20 years old |
Median Age, Male (
see rank)
Jefferson County | 38.80 years old |
Oregon | 37.30 years old |
U.S. | 35.80 years old |
Median Age, Female (
see rank)
Jefferson County | 40.80 years old |
Oregon | 39.50 years old |
U.S. | 38.50 years old |
| Jefferson County | % of the Total Population | Oregon | U.S. |
Under 5 years | 1,563 | 7.19%, see rank | 6.12% | 6.51% |
5 to 9 years | 1,553 | 7.14%, see rank | 6.23% | 6.57% |
10 to 14 years | 1,403 | 6.45%, see rank | 6.28% | 6.68% |
15 to 19 years | 1,509 | 6.94%, see rank | 6.59% | 7.09% |
20 to 24 years | 1,325 | 6.09%, see rank | 6.70% | 7.04% |
25 to 34 years | 2,452 | 11.28%, see rank | 13.67% | 13.32% |
35 to 44 years | 2,581 | 11.87%, see rank | 13.07% | 13.34% |
45 to 54 years | 3,025 | 13.91%, see rank | 13.98% | 14.44% |
55 to 64 years | 3,002 | 13.80%, see rank | 13.28% | 11.84% |
65 to 74 years | 2,127 | 9.78%, see rank | 7.70% | 7.12% |
75 to 84 | 931 | 4.28%, see rank | 4.37% | 4.25% |
85 years and over | 275 | 1.26%, see rank | 2.02% | 1.78% |
ACS 2006-2010 data
Total population: 21,652
Median Age (
see rank)
Jefferson County | 39.10 years old |
Oregon | 38.10 years old |
U.S. | 36.90 years old |
Median Age, Male (
see rank)
Jefferson County | 39.40 years old |
Oregon | 37.00 years old |
U.S. | 35.60 years old |
Median Age, Female (
see rank)
Jefferson County | 38.90 years old |
Oregon | 39.10 years old |
U.S. | 38.10 years old |
| Jefferson County | % of the Total Population | Oregon | U.S. |
Under 5 years | 1,609 | 7.43%, see rank | 6.23% | 6.62% |
5 to 9 years | 1,755 | 8.11%, see rank | 6.28% | 6.62% |
10 to 14 years | 1,245 | 5.75%, see rank | 6.38% | 6.79% |
15 to 19 years | 1,726 | 7.97%, see rank | 6.82% | 7.28% |
20 to 24 years | 1,296 | 5.99%, see rank | 6.70% | 6.98% |
25 to 34 years | 2,154 | 9.95%, see rank | 13.53% | 13.22% |
35 to 44 years | 2,825 | 13.05%, see rank | 13.38% | 13.89% |
45 to 54 years | 3,092 | 14.28%, see rank | 14.52% | 14.57% |
55 to 64 years | 2,812 | 12.99%, see rank | 12.68% | 11.28% |
65 to 74 years | 1,905 | 8.80%, see rank | 7.10% | 6.74% |
75 to 84 | 1,060 | 4.90%, see rank | 4.43% | 4.30% |
85 years and over | 173 | 0.80%, see rank | 1.97% | 1.70% |
ACS 2005-2009 data
Total population: 20,097
Median Age (
see rank)
Jefferson County | 36.30 years old |
Oregon | 37.70 years old |
U.S. | 36.50 years old |
Median Age, Male (
see rank)
Jefferson County | 35.50 years old |
Oregon | 36.70 years old |
U.S. | 35.20 years old |
Median Age, Female (
see rank)
Jefferson County | 36.80 years old |
Oregon | 38.80 years old |
U.S. | 37.90 years old |
| Jefferson County | % of the Total Population | Oregon | U.S. |
Under 5 years | 1,617 | 8.05%, see rank | 6.41% | 6.92% |
5 to 9 years | 1,695 | 8.43%, see rank | 6.31% | 6.59% |
10 to 14 years | 1,273 | 6.33%, see rank | 6.40% | 6.83% |
15 to 19 years | 1,372 | 6.83%, see rank | 6.74% | 7.15% |
20 to 24 years | 1,380 | 6.87%, see rank | 6.90% | 7.02% |
25 to 34 years | 2,343 | 11.66%, see rank | 13.51% | 13.42% |
35 to 44 years | 2,434 | 12.11%, see rank | 13.58% | 14.18% |
45 to 54 years | 2,815 | 14.01%, see rank | 14.80% | 14.48% |
55 to 64 years | 2,644 | 13.16%, see rank | 12.19% | 10.81% |
65 to 74 years | 1,565 | 7.79%, see rank | 6.78% | 6.50% |
75 to 84 | 804 | 4.00%, see rank | 4.43% | 4.40% |
85 years and over | 155 | 0.77%, see rank | 1.96% | 1.71% |
US Census 2000 data
Total population: 19,009
Median Age (
see rank)
Jefferson County | 34.80 years old |
Oregon | 36.30 years old |
U.S. | 35.30 years old |
Median Age, Male (
see rank)
Jefferson County | 34.40 years old |
Oregon | 35.10 years old |
U.S. | 34.00 years old |
Median Age, Female (
see rank)
Jefferson County | 35.20 years old |
Oregon | 37.50 years old |
U.S. | 36.50 years old |
| Jefferson County | % of the Total Population | Oregon | U.S. |
Under 5 years | 1,467 | 7.72%, see rank | 6.52% | 6.81% |
5 to 9 years | 1,588 | 8.35%, see rank | 6.85% | 7.30% |
10 to 14 years | 1,687 | 8.87%, see rank | 7.08% | 7.29% |
15 to 19 years | 1,362 | 7.17%, see rank | 7.14% | 7.18% |
20 to 24 years | 1,017 | 5.35%, see rank | 6.73% | 6.74% |
25 to 34 years | 2,431 | 12.79%, see rank | 13.76% | 14.18% |
35 to 44 years | 2,680 | 14.10%, see rank | 15.39% | 16.04% |
45 to 54 years | 2,439 | 12.83%, see rank | 14.82% | 13.39% |
55 to 64 years | 1,975 | 10.39%, see rank | 8.90% | 8.63% |
65 to 74 years | 1,438 | 7.56%, see rank | 6.41% | 6.54% |
75 to 84 | 698 | 3.67%, see rank | 4.72% | 4.39% |
85 years and over | 227 | 1.19%, see rank | 1.68% | 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.