45171
ZIP 45171 is Sardinia, Ohio, mostly in Brown County; area codes 326 and 937; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Brown +1 more
- Metro area
- Cincinnati, OH-KY-IN
- Population
- 5,752
- Coordinates
- 39.0136, -83.7964
Weather right now
Asking the National Weather Service…
Where 45171 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 45171 into a pocket calculator and turn it upside down: ILISh — not quite a word, sorry.
- ➕ As a number, 45,171 = 3 × 3 × 3 × 7 × 239. Its digits add up to 18, a total 2,332 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1011000001110011 - 🏠 Its numerical neighbours: 45169 (Sabina, OH, 35 mi away) and 45172 (Sinking Spring, OH, 22 mi away).
- 🔄 Backwards, 45171 becomes 17154, which is not a ZIP code at all.
- 👥 24 other ZIP codes are made of exactly the same digits (11547, 11754, 14517, 14571, 14715, 14751, …). The farthest-flung twin is 75141 in Hutchins, TX, 845 miles away.
- 🧭 Farther south than 50% of all ZIP codes, and farther east than 60%.
- 🎯790 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 45171 and you would come out at 39.01°S, 96.20°E — 1,206 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 55m of daylight. Shortest: 9h 25m.
- 📏 At 80.9 square miles of land, 45171 is bigger than 73% of ZIP codes — room for about 61 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 5,752This ZIP5,752 |
|---|---|
| Households | 2,340This ZIP2,340 |
| Housing units | 2,905This ZIP2,905 |
| Median age | 44.2This ZIP44.2Ohio39.7US 38.9 |
| Median household income | $73,838This ZIP$73,838Ohio$71,389US $80,734 |
| Median home value | $182,700This ZIP$182,700Ohio$214,800US $332,700 |
| Median gross rent | $899This ZIP$899Ohio$1,034US $1,413 |
| Bachelor's degree or higher | 19.0%This ZIP19.0% |
| Mean commute | 42.1 minThis ZIP42.1 min |
| Population density | 71.1 / sq miThis ZIP71.1 / sq mi |
Business and tax activity
| Business establishments | 59This ZIP59 |
|---|---|
| Employees | 423This ZIP423 |
| Annual payroll | $15,823,000This ZIP$15,823,000 |
| Tax returns filed | 2,850This ZIP2,850 |
| Total adjusted gross income | $186,462,000This ZIP$186,462,000 |
Land area
| Land area | 80.87 sq miThis ZIP80.87 sq mi |
|---|---|
| Water area | 0.54 sq miThis ZIP0.54 sq mi |
Counties 45171 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Brown County | 58.0% |
| Highland County | 42.0% |
Other place names in 45171
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 45171
| ZIP | City | Distance |
|---|---|---|
45155 | Mowrystown, OH | 3.1 mi |
45154 | Mount Orab, OH | 7.3 mi |
45697 | Winchester, OH | 8.7 mi |
45168 | Russellville, OH | 11.4 mi |
45121 | Georgetown, OH | 11.8 mi |
45679 | Seaman, OH | 12.4 mi |
45118 | Fayetteville, OH | 12.8 mi |
45130 | Hamersville, OH | 13.1 mi |
45618 | Cherry Fork, OH | 13.1 mi |
45176 | Williamsburg, OH | 13.3 mi |
Find every ZIP code within 10 miles of 45171 →
Questions about this ZIP code
Where is ZIP code 45171?
45171 is in Sardinia, Ohio, in Brown County, part of the Cincinnati, OH-KY-IN metropolitan area. Its published point location is 39.0136, -83.7964.
What county is 45171 in?
45171 spans 2 counties: Brown County and Highland County. Most of it falls in Brown 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 45171?
Sardinia uses area codes 326 and 937, from NANPA's telephone records.
What time zone is 45171 in?
45171 uses America/New_York.
How many people live in 45171?
About 5,752 people live in ZIP code 45171, in 2,340 households, at 71.1 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 45171?
$73,838 a year, against $71,389 across Ohio.
What ZIP codes are near 45171?
The closest are 45155 (3.1 mi), 45154 (7.3 mi), 45697 (8.7 mi), 45168 (11.4 mi) and 45121 (11.8 mi).
Is 45171 a PO Box ZIP code?
45171 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “45171 ZIP Code — Sardinia, Ohio (Brown County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45171
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/45171.json Underlying data is public domain or openly licensed — sources, vintages and licences.