45309
ZIP 45309 is Brookville, Ohio, mostly in Montgomery County; area codes 937 and 326; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Montgomery +3 more
- Metro area
- Dayton-Kettering-Beavercreek, OH
- Population
- 11,876
- Coordinates
- 39.8424, -84.4166
Weather right now
Asking the National Weather Service…
Where 45309 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 45309 into a pocket calculator and turn it upside down: GOESh — not quite a word, sorry.
- ➕ As a number, 45,309 = 3 × 11 × 1373. Its digits add up to 21, a total 2,594 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1011000011111101 - 🏠 Its numerical neighbours: 45308 (Bradford, OH, 20 mi away) and 45310 (Burkettsville, OH, 37 mi away).
- 🔄 Backwards, 45309 becomes 90354, which is not a ZIP code at all.
- 👥 52 other ZIP codes are made of exactly the same digits (04359, 04539, 04935, 04953, 05439, 09354, …). The farthest-flung twin is 09354 in APO AE, a military post office, 4,175 miles away.
- 🧭 Farther north than 55% of all ZIP codes, and farther east than 58%.
- 🎯751 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 45309 and you would come out at 39.84°S, 95.58°E — 1,255 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 00m of daylight. Shortest: 9h 20m.
- 📏 At 65.9 square miles of land, 45309 is bigger than 67% of ZIP codes — room for about 50 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 11,876This ZIP11,876 |
|---|---|
| Households | 4,648This ZIP4,648 |
| Housing units | 4,990This ZIP4,990 |
| Median age | 46.7This ZIP46.7Ohio39.7US 38.9 |
| Median household income | $75,409This ZIP$75,409Ohio$71,389US $80,734 |
| Median home value | $214,700This ZIP$214,700Ohio$214,800US $332,700 |
| Median gross rent | $982This ZIP$982Ohio$1,034US $1,413 |
| Bachelor's degree or higher | 24.6%This ZIP24.6% |
| Mean commute | 23.3 minThis ZIP23.3 min |
| Population density | 180.1 / sq miThis ZIP180.1 / sq mi |
Business and tax activity
| Business establishments | 209This ZIP209 |
|---|---|
| Employees | 2,426This ZIP2,426 |
| Annual payroll | $106,299,000This ZIP$106,299,000 |
| Tax returns filed | 5,890This ZIP5,890 |
| Total adjusted gross income | $449,066,000This ZIP$449,066,000 |
Land area
| Land area | 65.95 sq miThis ZIP65.95 sq mi |
|---|---|
| Water area | 0.00 sq miThis ZIP0.00 sq mi |
Counties 45309 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Montgomery County | 94.7% |
| Darke County | 2.4% |
| Miami County | 2.3% |
| Preble County | 0.6% |
Other place names in 45309
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 45309
| ZIP | City | Distance |
|---|---|---|
45315 | Clayton, OH | 4.3 mi |
45354 | Phillipsburg, OH | 4.8 mi |
45378 | Verona, OH | 5.6 mi |
45426 | Dayton, OH | 6.2 mi |
45322 | Englewood, OH | 6.3 mi |
45338 | Lewisburg, OH | 6.8 mi |
45345 | New Lebanon, OH | 7.2 mi |
45361 | Potsdam, OH | 8.4 mi |
45415 | Dayton, OH | 8.5 mi |
45416 | Dayton, OH | 8.8 mi |
Find every ZIP code within 10 miles of 45309 →
Questions about this ZIP code
Where is ZIP code 45309?
45309 is in Brookville, Ohio, in Montgomery County, part of the Dayton-Kettering-Beavercreek, OH metropolitan area. Its published point location is 39.8424, -84.4166.
What county is 45309 in?
45309 spans 4 counties: Montgomery County, Darke County, Miami County and Preble County. Most of it falls in Montgomery County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 45309?
Brookville uses area codes 937 and 326, from NANPA's telephone records.
What time zone is 45309 in?
45309 uses America/New_York.
How many people live in 45309?
About 11,876 people live in ZIP code 45309, in 4,648 households, at 180.1 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 45309?
$75,409 a year, against $71,389 across Ohio.
What ZIP codes are near 45309?
The closest are 45315 (4.3 mi), 45354 (4.8 mi), 45378 (5.6 mi), 45426 (6.2 mi) and 45322 (6.3 mi).
Is 45309 a PO Box ZIP code?
45309 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “45309 ZIP Code — Brookville, Ohio (Montgomery County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45309
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/45309.json Underlying data is public domain or openly licensed — sources, vintages and licences.