County hub small town Ohio

Greene County, OH

Aggregated demographic, housing, and geographic context for the 17 ZIP codes inside Greene County, drawn from public Census ACS and SimpleMaps data.

ZIP codes
17
in this county
Total population
201,037
across all listed ZIPs
Cities
11
distinct city/town names
Avg density
421
people / sq mi
Avg median income
household, ACS
Avg home value
owner-occupied

ZIP codes in Greene County

ZIPCityPopulationDensityMedian income
45324 Fairborn 40,944 477
45385 Xenia 39,178 110
45431 Dayton 26,630 876
45440 Dayton 22,507 945
45432 Dayton 14,786 800
45434 Dayton 12,371 458
45305 Bellbrook 11,048 308
45335 Jamestown 6,996 33
45430 Dayton 6,910 551
45314 Cedarville 6,300 47
45387 Yellow Springs 5,399 73
45370 Spring Valley 3,080 71
45384 Wilberforce 2,348 386
45433 Dayton 1,835 100
45307 Bowersville 299 671
45301 Alpha 276 961
45435 Dayton 130 284

About Greene County

Counties are the workhorse unit of American local government — they administer property taxes, run the courts and sheriff’s office, manage many road and library systems, and in much of the country they collect public health and zoning data that ZIP codes don’t. Greene County in Ohio contains roughly 17 ZIP codes spread across 11 distinct cities and unincorporated communities, with an aggregate population of about 201,037. Reading those ZIPs together at the county level smooths over neighborhood-by-neighborhood noise and surfaces the broader economic and demographic shape of the area. For block-level detail, drill into any individual ZIP profile or compare against the wider Ohio index.

The average density across listed ZIPs sits at roughly 421, which classifies the county overall as a small town environment. That label is a generalization — nearly every county contains both a relatively dense core and quieter outlying ZIPs, and the gap between them is often what determines where you actually want to live or open a business. Average median household income in our enriched ZIPs lands near —, with average owner-occupied home values around —; both numbers move dramatically as you cross from one ZIP to the next, so use the table above as a sorting tool, not a verdict.

If you’re moving into Greene County, the county itself is also where most of your real-life paperwork will land — vehicle registration, voter registration, property recording, and school district enrollment in many states. Knowing the county that contains your prospective ZIP makes it much easier to look up the right tax assessor, election office, or school district website. Our relocation guide walks through the order in which to tackle these handoffs after a move.

For service-area planning, the county is also where most US business licensing and many sales-tax rules are administered. Service businesses scoping Greene County should pair this aggregate view with the individual ZIP profiles to identify the densest, highest-income pockets first, then expand outward along whatever transportation corridor matches their delivery model.