In the county, the population was distributed as 5.7% under the age of 5, 6.5% at 5–9 years, 6.8% at 10–14 years, 6.0% at 15–19 years, 6.1% at 20–24 years, 5.7% at 25–29 years, 5.8% at 30–34 years, 6.6% at 35–39 years, 6.9% at 40–44 years, 8.1% at 45–49 years, 7.2% at 50–54 years, 7.0% at 55–59 years, 7.6% at 60–64 years, 6.0% at 65–69 years, 3.6% at 70–74 years, 2.4% at 75–79 years, 1.3% at 80–84 years, and 0.8% over age 85. The median age was 40.6 years - 11,164 were male and 11,166 were female.