Bureau County Historical Age Data
ACS 2010-2014 data
Total population: 34,361
Median Age (
see rank)
| Bureau County | 43.20 years old |
| Illinois | 37.00 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| Bureau County | 42.10 years old |
| Illinois | 35.70 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| Bureau County | 44.20 years old |
| Illinois | 38.40 years old |
| U.S. | 38.80 years old |
| | Bureau County | % of the Total Population | Illinois | U.S. |
| Under 5 years | 1,850 | 5.38%, see rank | 6.30% | 6.36% |
| 5 to 9 years | 2,365 | 6.88%, see rank | 6.58% | 6.51% |
| 10 to 14 years | 2,104 | 6.12%, see rank | 6.71% | 6.59% |
| 15 to 19 years | 2,144 | 6.24%, see rank | 6.94% | 6.85% |
| 20 to 24 years | 1,767 | 5.14%, see rank | 6.95% | 7.13% |
| 25 to 34 years | 3,708 | 10.79%, see rank | 13.84% | 13.47% |
| 35 to 44 years | 4,011 | 11.67%, see rank | 13.20% | 12.96% |
| 45 to 54 years | 4,952 | 14.41%, see rank | 14.17% | 14.09% |
| 55 to 64 years | 4,950 | 14.41%, see rank | 12.13% | 12.29% |
| 65 to 74 years | 3,304 | 9.62%, see rank | 7.18% | 7.64% |
| 75 to 84 | 2,426 | 7.06%, see rank | 4.10% | 4.25% |
| 85 years and over | 780 | 2.27%, see rank | 1.90% | 1.85% |
US Census 2010 data
Total population: 34,978
Median Age (
see rank)
| Bureau County | 42.50 years old |
| Illinois | 36.60 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Bureau County | 41.20 years old |
| Illinois | 35.20 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Bureau County | 43.80 years old |
| Illinois | 37.90 years old |
| U.S. | 38.50 years old |
| | Bureau County | % of the Total Population | Illinois | U.S. |
| Under 5 years | 2,036 | 5.82%, see rank | 6.51% | 6.54% |
| 5 to 9 years | 2,329 | 6.66%, see rank | 6.70% | 6.59% |
| 10 to 14 years | 2,289 | 6.54%, see rank | 6.85% | 6.70% |
| 15 to 19 years | 2,324 | 6.64%, see rank | 7.19% | 7.14% |
| 20 to 24 years | 1,630 | 4.66%, see rank | 6.85% | 6.99% |
| 25 to 34 years | 3,794 | 10.85%, see rank | 13.84% | 13.30% |
| 35 to 44 years | 4,244 | 12.13%, see rank | 13.45% | 13.30% |
| 45 to 54 years | 5,263 | 15.05%, see rank | 14.58% | 14.58% |
| 55 to 64 years | 4,743 | 13.56%, see rank | 11.48% | 11.82% |
| 65 to 74 years | 3,134 | 8.96%, see rank | 6.62% | 7.03% |
| 75 to 84 | 2,118 | 6.06%, see rank | 4.09% | 4.23% |
| 85 years and over | 1,074 | 3.07%, see rank | 1.83% | 1.78% |
ACS 2008-2012 data
Total population: 34,798
Median Age (
see rank)
| Bureau County | 42.60 years old |
| Illinois | 36.60 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Bureau County | 41.30 years old |
| Illinois | 35.30 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Bureau County | 44.00 years old |
| Illinois | 38.00 years old |
| U.S. | 38.50 years old |
| | Bureau County | % of the Total Population | Illinois | U.S. |
| Under 5 years | 1,975 | 5.68%, see rank | 6.50% | 6.51% |
| 5 to 9 years | 2,339 | 6.72%, see rank | 6.68% | 6.57% |
| 10 to 14 years | 2,197 | 6.31%, see rank | 6.82% | 6.68% |
| 15 to 19 years | 2,286 | 6.57%, see rank | 7.16% | 7.09% |
| 20 to 24 years | 1,683 | 4.84%, see rank | 6.88% | 7.04% |
| 25 to 34 years | 3,805 | 10.93%, see rank | 13.84% | 13.32% |
| 35 to 44 years | 4,157 | 11.95%, see rank | 13.49% | 13.34% |
| 45 to 54 years | 5,220 | 15.00%, see rank | 14.46% | 14.44% |
| 55 to 64 years | 4,784 | 13.75%, see rank | 11.52% | 11.84% |
| 65 to 74 years | 3,136 | 9.01%, see rank | 6.71% | 7.12% |
| 75 to 84 | 2,307 | 6.63%, see rank | 4.11% | 4.25% |
| 85 years and over | 909 | 2.61%, see rank | 1.83% | 1.78% |
ACS 2006-2010 data
Total population: 35,083
Median Age (
see rank)
| Bureau County | 41.90 years old |
| Illinois | 36.20 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| Bureau County | 40.50 years old |
| Illinois | 34.90 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| Bureau County | 43.40 years old |
| Illinois | 37.60 years old |
| U.S. | 38.10 years old |
| | Bureau County | % of the Total Population | Illinois | U.S. |
| Under 5 years | 2,068 | 5.89%, see rank | 6.63% | 6.62% |
| 5 to 9 years | 2,199 | 6.27%, see rank | 6.78% | 6.62% |
| 10 to 14 years | 2,349 | 6.70%, see rank | 6.94% | 6.79% |
| 15 to 19 years | 2,421 | 6.90%, see rank | 7.31% | 7.28% |
| 20 to 24 years | 1,733 | 4.94%, see rank | 6.86% | 6.98% |
| 25 to 34 years | 3,790 | 10.80%, see rank | 13.78% | 13.22% |
| 35 to 44 years | 4,454 | 12.70%, see rank | 13.96% | 13.89% |
| 45 to 54 years | 5,280 | 15.05%, see rank | 14.55% | 14.57% |
| 55 to 64 years | 4,510 | 12.86%, see rank | 10.89% | 11.28% |
| 65 to 74 years | 3,006 | 8.57%, see rank | 6.36% | 6.74% |
| 75 to 84 | 2,317 | 6.60%, see rank | 4.17% | 4.30% |
| 85 years and over | 956 | 2.72%, see rank | 1.77% | 1.70% |
ACS 2005-2009 data
Total population: 34,795
Median Age (
see rank)
| Bureau County | 41.80 years old |
| Illinois | 35.90 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| Bureau County | 40.10 years old |
| Illinois | 34.60 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| Bureau County | 43.20 years old |
| Illinois | 37.20 years old |
| U.S. | 37.90 years old |
| | Bureau County | % of the Total Population | Illinois | U.S. |
| Under 5 years | 2,150 | 6.18%, see rank | 6.97% | 6.92% |
| 5 to 9 years | 2,219 | 6.38%, see rank | 6.76% | 6.59% |
| 10 to 14 years | 2,330 | 6.70%, see rank | 6.96% | 6.83% |
| 15 to 19 years | 2,299 | 6.61%, see rank | 7.24% | 7.15% |
| 20 to 24 years | 2,024 | 5.82%, see rank | 7.08% | 7.02% |
| 25 to 34 years | 3,439 | 9.88%, see rank | 13.73% | 13.42% |
| 35 to 44 years | 4,527 | 13.01%, see rank | 14.23% | 14.18% |
| 45 to 54 years | 5,289 | 15.20%, see rank | 14.47% | 14.48% |
| 55 to 64 years | 4,394 | 12.63%, see rank | 10.43% | 10.81% |
| 65 to 74 years | 2,921 | 8.39%, see rank | 6.21% | 6.50% |
| 75 to 84 | 2,203 | 6.33%, see rank | 4.17% | 4.40% |
| 85 years and over | 1,000 | 2.87%, see rank | 1.74% | 1.71% |
US Census 2000 data
Total population: 35,503
Median Age (
see rank)
| Bureau County | 39.60 years old |
| Illinois | 34.70 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| Bureau County | 37.90 years old |
| Illinois | 33.30 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| Bureau County | 41.10 years old |
| Illinois | 36.00 years old |
| U.S. | 36.50 years old |
| | Bureau County | % of the Total Population | Illinois | U.S. |
| Under 5 years | 2,094 | 5.90%, see rank | 7.06% | 6.81% |
| 5 to 9 years | 2,407 | 6.78%, see rank | 7.49% | 7.30% |
| 10 to 14 years | 2,567 | 7.23%, see rank | 7.29% | 7.29% |
| 15 to 19 years | 2,683 | 7.56%, see rank | 7.20% | 7.18% |
| 20 to 24 years | 1,675 | 4.72%, see rank | 6.85% | 6.74% |
| 25 to 34 years | 4,015 | 11.31%, see rank | 14.59% | 14.18% |
| 35 to 44 years | 5,298 | 14.92%, see rank | 15.97% | 16.04% |
| 45 to 54 years | 4,926 | 13.87%, see rank | 13.10% | 13.39% |
| 55 to 64 years | 3,539 | 9.97%, see rank | 8.38% | 8.63% |
| 65 to 74 years | 2,918 | 8.22%, see rank | 6.22% | 6.54% |
| 75 to 84 | 2,452 | 6.91%, see rank | 4.31% | 4.39% |
| 85 years and over | 929 | 2.62%, see rank | 1.55% | 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.
