Seneca, IL Historical Age Data
ACS 2010-2014 data
Total population: 2,629
Median Age (
see rank)
Seneca, IL | 34.20 years old |
Illinois | 37.00 years old |
U.S. | 37.40 years old |
Median Age, Male (
see rank)
Seneca, IL | 27.90 years old |
Illinois | 35.70 years old |
U.S. | 36.10 years old |
Median Age, Female (
see rank)
Seneca, IL | 41.20 years old |
Illinois | 38.40 years old |
U.S. | 38.80 years old |
| Seneca, IL | % of the Total Population | Illinois | U.S. |
Under 5 years | 165 | 6.28%, see rank | 6.30% | 6.36% |
5 to 9 years | 169 | 6.43%, see rank | 6.58% | 6.51% |
10 to 14 years | 206 | 7.84%, see rank | 6.71% | 6.59% |
15 to 19 years | 295 | 11.22%, see rank | 6.94% | 6.85% |
20 to 24 years | 253 | 9.62%, see rank | 6.95% | 7.13% |
25 to 34 years | 235 | 8.94%, see rank | 13.84% | 13.47% |
35 to 44 years | 293 | 11.14%, see rank | 13.20% | 12.96% |
45 to 54 years | 468 | 17.80%, see rank | 14.17% | 14.09% |
55 to 64 years | 240 | 9.13%, see rank | 12.13% | 12.29% |
65 to 74 years | 134 | 5.10%, see rank | 7.18% | 7.64% |
75 to 84 | 150 | 5.71%, see rank | 4.10% | 4.25% |
85 years and over | 21 | 0.80%, see rank | 1.90% | 1.85% |
US Census 2010 data
Total population: 2,371
Median Age (
see rank)
Seneca, IL | 37.30 years old |
Illinois | 36.60 years old |
U.S. | 37.20 years old |
Median Age, Male (
see rank)
Seneca, IL | 35.20 years old |
Illinois | 35.20 years old |
U.S. | 35.80 years old |
Median Age, Female (
see rank)
Seneca, IL | 39.10 years old |
Illinois | 37.90 years old |
U.S. | 38.50 years old |
| Seneca, IL | % of the Total Population | Illinois | U.S. |
Under 5 years | 119 | 5.02%, see rank | 6.51% | 6.54% |
5 to 9 years | 162 | 6.83%, see rank | 6.70% | 6.59% |
10 to 14 years | 223 | 9.41%, see rank | 6.85% | 6.70% |
15 to 19 years | 233 | 9.83%, see rank | 7.19% | 7.14% |
20 to 24 years | 160 | 6.75%, see rank | 6.85% | 6.99% |
25 to 34 years | 236 | 9.95%, see rank | 13.84% | 13.30% |
35 to 44 years | 336 | 14.17%, see rank | 13.45% | 13.30% |
45 to 54 years | 360 | 15.18%, see rank | 14.58% | 14.58% |
55 to 64 years | 250 | 10.54%, see rank | 11.48% | 11.82% |
65 to 74 years | 166 | 7.00%, see rank | 6.62% | 7.03% |
75 to 84 | 93 | 3.92%, see rank | 4.09% | 4.23% |
85 years and over | 33 | 1.39%, see rank | 1.83% | 1.78% |
ACS 2008-2012 data
Total population: 2,476
Median Age (
see rank)
Seneca, IL | 31.20 years old |
Illinois | 36.60 years old |
U.S. | 37.20 years old |
Median Age, Male (
see rank)
Seneca, IL | 28.50 years old |
Illinois | 35.30 years old |
U.S. | 35.80 years old |
Median Age, Female (
see rank)
Seneca, IL | 38.10 years old |
Illinois | 38.00 years old |
U.S. | 38.50 years old |
| Seneca, IL | % of the Total Population | Illinois | U.S. |
Under 5 years | 203 | 8.20%, see rank | 6.50% | 6.51% |
5 to 9 years | 168 | 6.79%, see rank | 6.68% | 6.57% |
10 to 14 years | 219 | 8.84%, see rank | 6.82% | 6.68% |
15 to 19 years | 267 | 10.78%, see rank | 7.16% | 7.09% |
20 to 24 years | 200 | 8.08%, see rank | 6.88% | 7.04% |
25 to 34 years | 262 | 10.58%, see rank | 13.84% | 13.32% |
35 to 44 years | 355 | 14.34%, see rank | 13.49% | 13.34% |
45 to 54 years | 326 | 13.17%, see rank | 14.46% | 14.44% |
55 to 64 years | 208 | 8.40%, see rank | 11.52% | 11.84% |
65 to 74 years | 136 | 5.49%, see rank | 6.71% | 7.12% |
75 to 84 | 105 | 4.24%, see rank | 4.11% | 4.25% |
85 years and over | 27 | 1.09%, see rank | 1.83% | 1.78% |
ACS 2006-2010 data
Total population: 2,407
Median Age (
see rank)
Seneca, IL | 33.90 years old |
Illinois | 36.20 years old |
U.S. | 36.90 years old |
Median Age, Male (
see rank)
Seneca, IL | 31.70 years old |
Illinois | 34.90 years old |
U.S. | 35.60 years old |
Median Age, Female (
see rank)
Seneca, IL | 37.60 years old |
Illinois | 37.60 years old |
U.S. | 38.10 years old |
| Seneca, IL | % of the Total Population | Illinois | U.S. |
Under 5 years | 192 | 7.98%, see rank | 6.63% | 6.62% |
5 to 9 years | 225 | 9.35%, see rank | 6.78% | 6.62% |
10 to 14 years | 218 | 9.06%, see rank | 6.94% | 6.79% |
15 to 19 years | 193 | 8.02%, see rank | 7.31% | 7.28% |
20 to 24 years | 132 | 5.48%, see rank | 6.86% | 6.98% |
25 to 34 years | 296 | 12.30%, see rank | 13.78% | 13.22% |
35 to 44 years | 387 | 16.08%, see rank | 13.96% | 13.89% |
45 to 54 years | 224 | 9.31%, see rank | 14.55% | 14.57% |
55 to 64 years | 230 | 9.56%, see rank | 10.89% | 11.28% |
65 to 74 years | 182 | 7.56%, see rank | 6.36% | 6.74% |
75 to 84 | 105 | 4.36%, see rank | 4.17% | 4.30% |
85 years and over | 23 | 0.96%, see rank | 1.77% | 1.70% |
ACS 2005-2009 data
Total population: 1,969
Median Age (
see rank)
Seneca, IL | 32.70 years old |
Illinois | 35.90 years old |
U.S. | 36.50 years old |
Median Age, Male (
see rank)
Seneca, IL | 31.10 years old |
Illinois | 34.60 years old |
U.S. | 35.20 years old |
Median Age, Female (
see rank)
Seneca, IL | 35.00 years old |
Illinois | 37.20 years old |
U.S. | 37.90 years old |
| Seneca, IL | % of the Total Population | Illinois | U.S. |
Under 5 years | 135 | 6.86%, see rank | 6.97% | 6.92% |
5 to 9 years | 167 | 8.48%, see rank | 6.76% | 6.59% |
10 to 14 years | 218 | 11.07%, see rank | 6.96% | 6.83% |
15 to 19 years | 177 | 8.99%, see rank | 7.24% | 7.15% |
20 to 24 years | 103 | 5.23%, see rank | 7.08% | 7.02% |
25 to 34 years | 260 | 13.20%, see rank | 13.73% | 13.42% |
35 to 44 years | 374 | 18.99%, see rank | 14.23% | 14.18% |
45 to 54 years | 207 | 10.51%, see rank | 14.47% | 14.48% |
55 to 64 years | 175 | 8.89%, see rank | 10.43% | 10.81% |
65 to 74 years | 97 | 4.93%, see rank | 6.21% | 6.50% |
75 to 84 | 34 | 1.73%, see rank | 4.17% | 4.40% |
85 years and over | 22 | 1.12%, see rank | 1.74% | 1.71% |
US Census 2000 data
Total population: 2,053
Median Age (
see rank)
Seneca, IL | 35.70 years old |
Illinois | 34.70 years old |
U.S. | 35.30 years old |
Median Age, Male (
see rank)
Seneca, IL | 35.40 years old |
Illinois | 33.30 years old |
U.S. | 34.00 years old |
Median Age, Female (
see rank)
Seneca, IL | 36.10 years old |
Illinois | 36.00 years old |
U.S. | 36.50 years old |
| Seneca, IL | % of the Total Population | Illinois | U.S. |
Under 5 years | 128 | 6.23%, see rank | 7.06% | 6.81% |
5 to 9 years | 175 | 8.52%, see rank | 7.49% | 7.30% |
10 to 14 years | 211 | 10.28%, see rank | 7.29% | 7.29% |
15 to 19 years | 166 | 8.09%, see rank | 7.20% | 7.18% |
20 to 24 years | 86 | 4.19%, see rank | 6.85% | 6.74% |
25 to 34 years | 235 | 11.45%, see rank | 14.59% | 14.18% |
35 to 44 years | 348 | 16.95%, see rank | 15.97% | 16.04% |
45 to 54 years | 271 | 13.20%, see rank | 13.10% | 13.39% |
55 to 64 years | 190 | 9.25%, see rank | 8.38% | 8.63% |
65 to 74 years | 133 | 6.48%, see rank | 6.22% | 6.54% |
75 to 84 | 83 | 4.04%, see rank | 4.31% | 4.39% |
85 years and over | 27 | 1.32%, 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.