States101
O'Brien County, Iowa Gender Ratios
Gender Ratio:
Men
Women
Total Population:
Men
Women
There are more men than women in O'Brien County, Iowa. Total population of O'Brien County, Iowa is estimated at 14,056 people with 7,060 male and 6,996 female. There are 64 more men than women in the county, which is 0.46% of the total population.
The O'Brien County, Iowa Gender Ratio is 101 men to 100 women (101:100) or 1.01. O'Brien County, Iowa's gender ratio is higher than the Iowa State average of 99 men to 100 women (99:100) or 0.99. The gender ratio is also higher than the national average of 97 men to 100 women (97:100) or 0.97.
O'Brien County, Iowa Gender Ratios By Age
Gender Ratios vary by age group as well as location. The table below shows the gender ratios breakdown in O'Brien County, Iowa by age.
| Age Range | O'Brien County Ratio | Iowa State Ratio | Nationwide Ratio |
|---|---|---|---|
| 0 to 4 | 93 to 100 | 104 to 100 | 104 to 100 |
| 5 to 9 | 113 to 100 | 104 to 100 | 104 to 100 |
| 10 to 14 | 121 to 100 | 105 to 100 | 104 to 100 |
| 15 to 19 | 112 to 100 | 105 to 100 | 105 to 100 |
| 20 to 24 | 119 to 100 | 106 to 100 | 105 to 100 |
| 25 to 29 | 110 to 100 | 105 to 100 | 100 to 100 |
| 30 to 34 | 122 to 100 | 104 to 100 | 100 to 100 |
| 35 to 39 | 111 to 100 | 104 to 100 | 100 to 100 |
| 40 to 44 | 104 to 100 | 102 to 100 | 100 to 100 |
| 45 to 49 | 115 to 100 | 102 to 100 | 100 to 100 |
| 50 to 54 | 97 to 100 | 99 to 100 | 100 to 100 |
| 55 to 59 | 109 to 100 | 99 to 100 | 93 to 100 |
| 60 to 64 | 99 to 100 | 99 to 100 | 93 to 100 |
| 65 to 69 | 98 to 100 | 94 to 100 | 79 to 100 |
| 70 to 74 | 91 to 100 | 88 to 100 | 79 to 100 |
| 75 to 79 | 71 to 100 | 80 to 100 | 79 to 100 |
| 80 to 84 | 65 to 100 | 69 to 100 | 79 to 100 |
| 85 and over | 50 to 100 | 50 to 100 | 79 to 100 |
Cities in O'Brien County, Iowa
Gender Ratios on this page are an aggregate of the gender ratios in the following cities within the region:
Archer, Calumet, Hartley, Paullina, Primghar, Sanborn, Sheldon, and Sutherland.