Twin Falls County Historical Age Data
ACS 2010-2014 data
Total population: 78,933
Median Age (
see rank)
| Twin Falls County | 34.60 years old |
| Idaho | 35.20 years old |
| U.S. | 37.40 years old |
Median Age, Male (
see rank)
| Twin Falls County | 33.60 years old |
| Idaho | 34.40 years old |
| U.S. | 36.10 years old |
Median Age, Female (
see rank)
| Twin Falls County | 35.50 years old |
| Idaho | 36.00 years old |
| U.S. | 38.80 years old |
| | Twin Falls County | % of the Total Population | Idaho | U.S. |
| Under 5 years | 6,209 | 7.87%, see rank | 7.27% | 6.36% |
| 5 to 9 years | 6,622 | 8.39%, see rank | 7.53% | 6.51% |
| 10 to 14 years | 5,571 | 7.06%, see rank | 7.64% | 6.59% |
| 15 to 19 years | 5,331 | 6.75%, see rank | 7.12% | 6.85% |
| 20 to 24 years | 5,301 | 6.72%, see rank | 6.95% | 7.13% |
| 25 to 34 years | 10,783 | 13.66%, see rank | 13.25% | 13.47% |
| 35 to 44 years | 9,148 | 11.59%, see rank | 12.21% | 12.96% |
| 45 to 54 years | 9,684 | 12.27%, see rank | 12.71% | 14.09% |
| 55 to 64 years | 8,924 | 11.31%, see rank | 11.98% | 12.29% |
| 65 to 74 years | 6,225 | 7.89%, see rank | 7.76% | 7.64% |
| 75 to 84 | 3,372 | 4.27%, see rank | 3.98% | 4.25% |
| 85 years and over | 1,763 | 2.23%, see rank | 1.60% | 1.85% |
US Census 2010 data
Total population: 77,230
Median Age (
see rank)
| Twin Falls County | 34.40 years old |
| Idaho | 34.60 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Twin Falls County | 33.60 years old |
| Idaho | 33.70 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Twin Falls County | 35.30 years old |
| Idaho | 35.40 years old |
| U.S. | 38.50 years old |
| | Twin Falls County | % of the Total Population | Idaho | U.S. |
| Under 5 years | 6,367 | 8.24%, see rank | 7.77% | 6.54% |
| 5 to 9 years | 5,919 | 7.66%, see rank | 7.73% | 6.59% |
| 10 to 14 years | 5,543 | 7.18%, see rank | 7.46% | 6.70% |
| 15 to 19 years | 5,616 | 7.27%, see rank | 7.36% | 7.14% |
| 20 to 24 years | 5,279 | 6.84%, see rank | 6.90% | 6.99% |
| 25 to 34 years | 10,450 | 13.53%, see rank | 13.33% | 13.30% |
| 35 to 44 years | 8,759 | 11.34%, see rank | 12.22% | 13.30% |
| 45 to 54 years | 10,002 | 12.95%, see rank | 13.30% | 14.58% |
| 55 to 64 years | 8,589 | 11.12%, see rank | 11.50% | 11.82% |
| 65 to 74 years | 5,653 | 7.32%, see rank | 6.99% | 7.03% |
| 75 to 84 | 3,465 | 4.49%, see rank | 3.82% | 4.23% |
| 85 years and over | 1,588 | 2.06%, see rank | 1.61% | 1.78% |
ACS 2008-2012 data
Total population: 77,122
Median Age (
see rank)
| Twin Falls County | 34.60 years old |
| Idaho | 34.70 years old |
| U.S. | 37.20 years old |
Median Age, Male (
see rank)
| Twin Falls County | 33.60 years old |
| Idaho | 33.80 years old |
| U.S. | 35.80 years old |
Median Age, Female (
see rank)
| Twin Falls County | 35.50 years old |
| Idaho | 35.50 years old |
| U.S. | 38.50 years old |
| | Twin Falls County | % of the Total Population | Idaho | U.S. |
| Under 5 years | 6,214 | 8.06%, see rank | 7.63% | 6.51% |
| 5 to 9 years | 6,034 | 7.82%, see rank | 7.59% | 6.57% |
| 10 to 14 years | 5,475 | 7.10%, see rank | 7.52% | 6.68% |
| 15 to 19 years | 5,546 | 7.19%, see rank | 7.34% | 7.09% |
| 20 to 24 years | 5,287 | 6.86%, see rank | 7.03% | 7.04% |
| 25 to 34 years | 10,386 | 13.47%, see rank | 13.30% | 13.32% |
| 35 to 44 years | 8,846 | 11.47%, see rank | 12.28% | 13.34% |
| 45 to 54 years | 9,925 | 12.87%, see rank | 13.21% | 14.44% |
| 55 to 64 years | 8,593 | 11.14%, see rank | 11.57% | 11.84% |
| 65 to 74 years | 5,761 | 7.47%, see rank | 7.09% | 7.12% |
| 75 to 84 | 3,503 | 4.54%, see rank | 3.88% | 4.25% |
| 85 years and over | 1,552 | 2.01%, see rank | 1.57% | 1.78% |
ACS 2006-2010 data
Total population: 74,929
Median Age (
see rank)
| Twin Falls County | 34.50 years old |
| Idaho | 34.40 years old |
| U.S. | 36.90 years old |
Median Age, Male (
see rank)
| Twin Falls County | 33.90 years old |
| Idaho | 33.50 years old |
| U.S. | 35.60 years old |
Median Age, Female (
see rank)
| Twin Falls County | 35.30 years old |
| Idaho | 35.30 years old |
| U.S. | 38.10 years old |
| | Twin Falls County | % of the Total Population | Idaho | U.S. |
| Under 5 years | 6,048 | 8.07%, see rank | 7.80% | 6.62% |
| 5 to 9 years | 5,501 | 7.34%, see rank | 7.58% | 6.62% |
| 10 to 14 years | 5,635 | 7.52%, see rank | 7.51% | 6.79% |
| 15 to 19 years | 5,420 | 7.23%, see rank | 7.58% | 7.28% |
| 20 to 24 years | 5,254 | 7.01%, see rank | 7.13% | 6.98% |
| 25 to 34 years | 10,023 | 13.38%, see rank | 13.18% | 13.22% |
| 35 to 44 years | 8,681 | 11.59%, see rank | 12.62% | 13.89% |
| 45 to 54 years | 9,803 | 13.08%, see rank | 13.58% | 14.57% |
| 55 to 64 years | 8,175 | 10.91%, see rank | 11.02% | 11.28% |
| 65 to 74 years | 5,421 | 7.23%, see rank | 6.60% | 6.74% |
| 75 to 84 | 3,524 | 4.70%, see rank | 3.85% | 4.30% |
| 85 years and over | 1,444 | 1.93%, see rank | 1.54% | 1.70% |
ACS 2005-2009 data
Total population: 72,578
Median Age (
see rank)
| Twin Falls County | 34.50 years old |
| Idaho | 34.00 years old |
| U.S. | 36.50 years old |
Median Age, Male (
see rank)
| Twin Falls County | 33.50 years old |
| Idaho | 33.20 years old |
| U.S. | 35.20 years old |
Median Age, Female (
see rank)
| Twin Falls County | 35.70 years old |
| Idaho | 34.90 years old |
| U.S. | 37.90 years old |
| | Twin Falls County | % of the Total Population | Idaho | U.S. |
| Under 5 years | 5,728 | 7.89%, see rank | 7.96% | 6.92% |
| 5 to 9 years | 5,129 | 7.07%, see rank | 7.32% | 6.59% |
| 10 to 14 years | 5,508 | 7.59%, see rank | 7.43% | 6.83% |
| 15 to 19 years | 5,148 | 7.09%, see rank | 7.66% | 7.15% |
| 20 to 24 years | 5,128 | 7.07%, see rank | 7.55% | 7.02% |
| 25 to 34 years | 10,110 | 13.93%, see rank | 13.33% | 13.42% |
| 35 to 44 years | 8,464 | 11.66%, see rank | 12.81% | 14.18% |
| 45 to 54 years | 9,361 | 12.90%, see rank | 13.56% | 14.48% |
| 55 to 64 years | 7,592 | 10.46%, see rank | 10.64% | 10.81% |
| 65 to 74 years | 5,185 | 7.14%, see rank | 6.26% | 6.50% |
| 75 to 84 | 3,840 | 5.29%, see rank | 3.91% | 4.40% |
| 85 years and over | 1,385 | 1.91%, see rank | 1.57% | 1.71% |
US Census 2000 data
Total population: 64,284
Median Age (
see rank)
| Twin Falls County | 34.90 years old |
| Idaho | 33.20 years old |
| U.S. | 35.30 years old |
Median Age, Male (
see rank)
| Twin Falls County | 33.30 years old |
| Idaho | 32.20 years old |
| U.S. | 34.00 years old |
Median Age, Female (
see rank)
| Twin Falls County | 36.30 years old |
| Idaho | 34.20 years old |
| U.S. | 36.50 years old |
| | Twin Falls County | % of the Total Population | Idaho | U.S. |
| Under 5 years | 4,679 | 7.28%, see rank | 7.55% | 6.81% |
| 5 to 9 years | 4,755 | 7.40%, see rank | 7.79% | 7.30% |
| 10 to 14 years | 5,147 | 8.01%, see rank | 8.08% | 7.29% |
| 15 to 19 years | 5,581 | 8.68%, see rank | 8.57% | 7.18% |
| 20 to 24 years | 4,429 | 6.89%, see rank | 7.26% | 6.74% |
| 25 to 34 years | 7,616 | 11.85%, see rank | 13.09% | 14.18% |
| 35 to 44 years | 9,115 | 14.18%, see rank | 14.91% | 16.04% |
| 45 to 54 years | 8,239 | 12.82%, see rank | 13.16% | 13.39% |
| 55 to 64 years | 5,551 | 8.64%, see rank | 8.31% | 8.63% |
| 65 to 74 years | 4,430 | 6.89%, see rank | 5.87% | 6.54% |
| 75 to 84 | 3,386 | 5.27%, see rank | 4.01% | 4.39% |
| 85 years and over | 1,356 | 2.11%, see rank | 1.40% | 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.
