Mount Prospect, IL Historical Age Data
ACS 2010-2014 data
Total population: 54,589
Median Age (
see rank)
| Mount Prospect, IL | 39.90 years old |
| Illinois | 37.00 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| Mount Prospect, IL | 38.60 years old |
| Illinois | 35.70 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| Mount Prospect, IL | 41.20 years old |
| Illinois | 38.40 years old |
| U.S. | 38.80 years old |
| | Mount Prospect, IL | % of the Total Population | Illinois | U.S. |
| Under 5 years | 3,503 | 6.42%, see rank | 6.30% | 6.36% |
| 5 to 9 years | 3,569 | 6.54%, see rank | 6.58% | 6.51% |
| 10 to 14 years | 3,478 | 6.37%, see rank | 6.71% | 6.59% |
| 15 to 19 years | 3,331 | 6.10%, see rank | 6.94% | 6.85% |
| 20 to 24 years | 2,476 | 4.54%, see rank | 6.95% | 7.13% |
| 25 to 34 years | 7,536 | 13.80%, see rank | 13.84% | 13.47% |
| 35 to 44 years | 7,575 | 13.88%, see rank | 13.20% | 12.96% |
| 45 to 54 years | 8,924 | 16.35%, see rank | 14.17% | 14.09% |
| 55 to 64 years | 6,075 | 11.13%, see rank | 12.13% | 12.29% |
| 65 to 74 years | 4,010 | 7.35%, see rank | 7.18% | 7.64% |
| 75 to 84 | 3,074 | 5.63%, see rank | 4.10% | 4.25% |
| 85 years and over | 1,038 | 1.90%, see rank | 1.90% | 1.85% |
US Census 2010 data
Total population: 54,167
Median Age (
see rank)
| Mount Prospect, IL | 39.70 years old |
| Illinois | 36.60 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Mount Prospect, IL | 38.00 years old |
| Illinois | 35.20 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Mount Prospect, IL | 41.60 years old |
| Illinois | 37.90 years old |
| U.S. | 38.50 years old |
| | Mount Prospect, IL | % of the Total Population | Illinois | U.S. |
| Under 5 years | 3,409 | 6.29%, see rank | 6.51% | 6.54% |
| 5 to 9 years | 3,418 | 6.31%, see rank | 6.70% | 6.59% |
| 10 to 14 years | 3,464 | 6.40%, see rank | 6.85% | 6.70% |
| 15 to 19 years | 3,203 | 5.91%, see rank | 7.19% | 7.14% |
| 20 to 24 years | 2,840 | 5.24%, see rank | 6.85% | 6.99% |
| 25 to 34 years | 7,214 | 13.32%, see rank | 13.84% | 13.30% |
| 35 to 44 years | 7,562 | 13.96%, see rank | 13.45% | 13.30% |
| 45 to 54 years | 8,170 | 15.08%, see rank | 14.58% | 14.58% |
| 55 to 64 years | 6,303 | 11.64%, see rank | 11.48% | 11.82% |
| 65 to 74 years | 4,221 | 7.79%, see rank | 6.62% | 7.03% |
| 75 to 84 | 3,244 | 5.99%, see rank | 4.09% | 4.23% |
| 85 years and over | 1,119 | 2.07%, see rank | 1.83% | 1.78% |
ACS 2008-2012 data
Total population: 54,144
Median Age (
see rank)
| Mount Prospect, IL | 39.40 years old |
| Illinois | 36.60 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Mount Prospect, IL | 38.60 years old |
| Illinois | 35.30 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Mount Prospect, IL | 40.30 years old |
| Illinois | 38.00 years old |
| U.S. | 38.50 years old |
| | Mount Prospect, IL | % of the Total Population | Illinois | U.S. |
| Under 5 years | 3,280 | 6.06%, see rank | 6.50% | 6.51% |
| 5 to 9 years | 3,627 | 6.70%, see rank | 6.68% | 6.57% |
| 10 to 14 years | 3,431 | 6.34%, see rank | 6.82% | 6.68% |
| 15 to 19 years | 3,227 | 5.96%, see rank | 7.16% | 7.09% |
| 20 to 24 years | 2,734 | 5.05%, see rank | 6.88% | 7.04% |
| 25 to 34 years | 7,725 | 14.27%, see rank | 13.84% | 13.32% |
| 35 to 44 years | 7,710 | 14.24%, see rank | 13.49% | 13.34% |
| 45 to 54 years | 8,261 | 15.26%, see rank | 14.46% | 14.44% |
| 55 to 64 years | 6,005 | 11.09%, see rank | 11.52% | 11.84% |
| 65 to 74 years | 4,075 | 7.53%, see rank | 6.71% | 7.12% |
| 75 to 84 | 2,782 | 5.14%, see rank | 4.11% | 4.25% |
| 85 years and over | 1,287 | 2.38%, see rank | 1.83% | 1.78% |
ACS 2006-2010 data
Total population: 53,838
Median Age (
see rank)
| Mount Prospect, IL | 39.50 years old |
| Illinois | 36.20 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| Mount Prospect, IL | 37.80 years old |
| Illinois | 34.90 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| Mount Prospect, IL | 41.10 years old |
| Illinois | 37.60 years old |
| U.S. | 38.10 years old |
| | Mount Prospect, IL | % of the Total Population | Illinois | U.S. |
| Under 5 years | 3,131 | 5.82%, see rank | 6.63% | 6.62% |
| 5 to 9 years | 3,465 | 6.44%, see rank | 6.78% | 6.62% |
| 10 to 14 years | 3,286 | 6.10%, see rank | 6.94% | 6.79% |
| 15 to 19 years | 2,943 | 5.47%, see rank | 7.31% | 7.28% |
| 20 to 24 years | 3,352 | 6.23%, see rank | 6.86% | 6.98% |
| 25 to 34 years | 7,907 | 14.69%, see rank | 13.78% | 13.22% |
| 35 to 44 years | 7,159 | 13.30%, see rank | 13.96% | 13.89% |
| 45 to 54 years | 8,281 | 15.38%, see rank | 14.55% | 14.57% |
| 55 to 64 years | 6,146 | 11.42%, see rank | 10.89% | 11.28% |
| 65 to 74 years | 4,120 | 7.65%, see rank | 6.36% | 6.74% |
| 75 to 84 | 2,775 | 5.15%, see rank | 4.17% | 4.30% |
| 85 years and over | 1,273 | 2.36%, see rank | 1.77% | 1.70% |
ACS 2005-2009 data
Total population: 53,290
Median Age (
see rank)
| Mount Prospect, IL | 39.50 years old |
| Illinois | 35.90 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| Mount Prospect, IL | 37.70 years old |
| Illinois | 34.60 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| Mount Prospect, IL | 41.20 years old |
| Illinois | 37.20 years old |
| U.S. | 37.90 years old |
| | Mount Prospect, IL | % of the Total Population | Illinois | U.S. |
| Under 5 years | 3,289 | 6.17%, see rank | 6.97% | 6.92% |
| 5 to 9 years | 3,350 | 6.29%, see rank | 6.76% | 6.59% |
| 10 to 14 years | 3,496 | 6.56%, see rank | 6.96% | 6.83% |
| 15 to 19 years | 3,014 | 5.66%, see rank | 7.24% | 7.15% |
| 20 to 24 years | 2,935 | 5.51%, see rank | 7.08% | 7.02% |
| 25 to 34 years | 7,484 | 14.04%, see rank | 13.73% | 13.42% |
| 35 to 44 years | 7,538 | 14.15%, see rank | 14.23% | 14.18% |
| 45 to 54 years | 8,349 | 15.67%, see rank | 14.47% | 14.48% |
| 55 to 64 years | 5,871 | 11.02%, see rank | 10.43% | 10.81% |
| 65 to 74 years | 4,034 | 7.57%, see rank | 6.21% | 6.50% |
| 75 to 84 | 2,798 | 5.25%, see rank | 4.17% | 4.40% |
| 85 years and over | 1,132 | 2.12%, see rank | 1.74% | 1.71% |
US Census 2000 data
Total population: 56,265
Median Age (
see rank)
| Mount Prospect, IL | 37.20 years old |
| Illinois | 34.70 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| Mount Prospect, IL | 35.50 years old |
| Illinois | 33.30 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| Mount Prospect, IL | 38.90 years old |
| Illinois | 36.00 years old |
| U.S. | 36.50 years old |
| | Mount Prospect, IL | % of the Total Population | Illinois | U.S. |
| Under 5 years | 3,724 | 6.62%, see rank | 7.06% | 6.81% |
| 5 to 9 years | 3,663 | 6.51%, see rank | 7.49% | 7.30% |
| 10 to 14 years | 3,492 | 6.21%, see rank | 7.29% | 7.29% |
| 15 to 19 years | 3,193 | 5.67%, see rank | 7.20% | 7.18% |
| 20 to 24 years | 3,467 | 6.16%, see rank | 6.85% | 6.74% |
| 25 to 34 years | 8,607 | 15.30%, see rank | 14.59% | 14.18% |
| 35 to 44 years | 8,987 | 15.97%, see rank | 15.97% | 16.04% |
| 45 to 54 years | 7,247 | 12.88%, see rank | 13.10% | 13.39% |
| 55 to 64 years | 5,545 | 9.86%, see rank | 8.38% | 8.63% |
| 65 to 74 years | 4,783 | 8.50%, see rank | 6.22% | 6.54% |
| 75 to 84 | 2,881 | 5.12%, see rank | 4.31% | 4.39% |
| 85 years and over | 676 | 1.20%, 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.
