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ZIP code 45309 is located in Darke County, Ohio, centered near Brookville, with a total population of 11,905 and a median age of 45.4. This is a suburban community with a notably high senior population — 25.2% of residents are 65 or older (approximately 2,999 individuals), well above the national average of 17%. This creates strong demand for Medicare services, local healthcare providers, and senior support programs. The racial and ethnic composition includes 92.5% White, 2.4% Asian. Approximately 22.0% of adults hold a bachelor's degree or higher — SHIP counselors and community health workers can help residents navigate Medicare enrollment and plan choices.
The median household income is $72,570, near the national median. Many residents may find Medicare Advantage plans with $0 premiums to be an attractive option, while others may prefer Original Medicare with a Medigap supplement for broader provider access. The poverty rate is relatively low at 5.7%. The unemployment rate is 5.0%. The median home value is $197,100 and median monthly rent is $905. Medicare beneficiaries in Darke County should explore all available plan options during Open Enrollment (October 15 – December 7) or consult the Ohio SHIP (State Health Insurance Assistance Program) for free, unbiased counseling on choosing the right coverage.