ZIP code 45172
Where is ZIP code 45172?
Sinking Spring, Ohio
Highland County · PO Box only ZIP code
ZIP code 45172 belongs to Sinking Spring, Ohio in Highland County. 45172 is a PO Box only ZIP code: it is used for post office boxes at the Sinking Spring post office, not for street addresses. It is in the Eastern Time zone and uses area codes 326 and 937. About 308 people live in the 45172 area, where the median household income is $107,951. The closest ZIP codes are 45646 (Latham, 3.1 mi east), 45660 (Peebles, 6.1 mi south) and 45624 (Cynthiana, 7.2 mi north).
| ZIP code | 45172 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Sinking Spring |
| Also accepted | Sinking Spg |
| State | Ohio (OH) |
| County | Highland County |
| Time zone | Eastern Time · now |
| Area codes | 326, 937 |
| Coordinates | 39.0738, -83.3853 map |
| 3-digit prefix | 451 |
Population and income in 45172
| Population | 308 · lower than 87% of Ohio ZIP codes |
|---|---|
| People per square mile | 698 · higher than 66% of Ohio ZIP codes |
| Median age | 31 years · lower than 93% of Ohio ZIP codes |
| Men / women | 64% / 36% |
| Median household income | $107,951 · higher than 93% of Ohio ZIP codes |
| Income per person | $24,280 |
| Below the poverty line | 11% |
| Bachelor’s degree or higher | 1.2% of adults 25+ |
| Median home value | $149,100 · lower than 71% of Ohio ZIP codes |
| Housing units | 95 |
| Households | 95 (3.24 people on average) |
| Owners / renters | 94% / 6.3% |
| Land area | 0.44 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 45172. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 45172
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 45646 | Latham, OH | 3.1 mi E | Standard |
| 45660 | Peebles, OH | 6.1 mi S | Standard |
| 45624 | Cynthiana, OH | 7.2 mi N | PO Box only |
| 45612 | Bainbridge, OH | 11.3 mi NE | Standard |
| 45671 | Rarden, OH | 11.3 mi SE | Standard |
| 45133 | Hillsboro, OH | 13.5 mi NW | Standard |
| 45679 | Seaman, OH | 13.6 mi SW | Standard |
| 45661 | Piketon, OH | 14.3 mi E | Standard |
| 45681 | South Salem, OH | 16.9 mi N | Standard |
| 45657 | Otway, OH | 17.7 mi SE | Standard |
| 45618 | Cherry Fork, OH | 17.9 mi SW | PO Box only |
| 45697 | Winchester, OH | 17.9 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 45172 or measure the distance to another ZIP code.
How to address mail to 45172
PO BOX 123
SINKING SPRING OH 45172
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts SINKING SPG as the city name for 45172. Adding the 4-digit ZIP+4 code (45172-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 45172?
- 45172 is a Sinking Spring, Ohio ZIP code. Sinking Spg is also accepted as the city name.
- What county is 45172 in?
- ZIP code 45172 is in Highland County, Ohio.
- What time zone is ZIP code 45172 in?
- 45172 is in the Eastern Time zone (America/New_York).
- What area code is 45172?
- Phone numbers in ZIP code 45172 use area codes 326 and 937.
- What is the population of ZIP code 45172?
- About 308 people live in ZIP code 45172, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 45172?
- The median household income in 45172 is $107,951 a year, higher than 93% of Ohio ZIP codes.
- Can I use 45172 for a street address?
- No. 45172 is only for PO Boxes. Street addresses in Sinking Spring use another ZIP code.
- What ZIP codes are near 45172?
- The nearest ZIP codes to 45172 are 45646 (Latham, 3.1 miles), 45660 (Peebles, 6.1 miles), 45624 (Cynthiana, 7.2 miles) and 45612 (Bainbridge, 11.3 miles).