Zip Code 45373
Troy, Ohio — Miami County
📍 ZIP code 45373 is in Troy, Miami County, Ohio.
ZIP code 45373 is located in Troy, Miami County, Ohio. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 37,274. The area code for ZIP code 45373 is 937.
Quick Answer
Zip code 45373 is in Troy, Ohio (Miami County). It has a population of 37,274, median household income of $78,278, and median home value of $234,400.
Population
37,274
Income
$78,278
Home Value
$234,400
Climate
84°F / 21°F
About Zip Code 45373
Zip code 45373 is located in Troy, Ohio, within Miami County. Home to approximately 37,274 residents, this area sits at an elevation of 827 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 937.
The median household income is $78,278 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $234,400, and the cost of living index is 87 (13% below the national average of 100).
Summers average a high of 84°F while winters drop to 21°F. The area receives about 41 in of rain and 12 in of snow annually. The zip code covers 85.6 square miles of land area and 0.7 square miles of water.
Key Statistics
37,274
$78,278
$234,400
Eastern (EST/EDT)
937
827 ft
85.6 sq mi
39.4
15,691
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Compare With Nearby Zip Codes
| Metric | 45373 | 45312 | 45371 | 45339 | 45359 | 45389 |
|---|---|---|---|---|---|---|
| City | Troy, OH | Casstown, OH | Tipp City, OH | Pleasant Hill, OH | Pleasant Hill, OH | Christiansburg, OH |
| Population | 37,274 | 1,109 | 22,521 | 982 | 2,041 | 701 |
| Median Income | $78,278 | $89,653 | $89,425 | $92,500 | $70,707 | $73,125 |
| Home Value | $234,400 | $253,500 | $272,100 | $232,900 | $186,600 | $95,400 |
| Cost of Living | 87 | 77 | 99 | 88 | 73 | 60 |
| Median Age | 39.4 | 49.3 | 40.6 | 53.2 | 42.1 | 36.1 |
Cost of Living
100 = National Average. Troy's cost of living is 13% below the national average.
vs. State Avg
Below
Affordability
Affordable
Income-to-Home
3.0x
Demographics
Zip code 45373 has a population of 37,274 people with a median age of 39.4. There are 15,691 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Troy (45373) population trend from 2010 to 2024
↓ -20.0%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
84°F
21°F
41 in
12 in
Troy experiences warm summers with average highs around 84°F. Winters are cool with lows averaging 21°F. The area receives about 12 in of snow per year.
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Housing & Economy
Median Home Value
$234,400
Median Household Income
$78,278
With 15,691 housing units across 85.6 square miles, 45373 has a housing density of 183 units per square mile. The home price-to-income ratio is 3.0x.
Location & Geography
Latitude
40.0325°
Longitude
-84.1946°
Land Area
85.6 sq mi
Water Area
0.7 sq mi
Nearby Zip Codes
Zip codes closest to 45373 (Troy, OH) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 45373's $78,278. A way to compare Troy to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 45373 (Troy, OH). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Troy, Ohio?
Troy, Ohio uses zip code 45373.
What county is zip code 45373 in?
Zip code 45373 is located in Miami County, Ohio.
What is the population of zip code 45373?
The population of zip code 45373 is 37,274 with a median age of 39.4.
Is 45373 in Troy, Ohio?
Yes, zip code 45373 is in Troy, Miami County, Ohio. The area code is 937.
Frequently Asked Questions
What city is zip code 45373 in?
Zip code 45373 is in Troy, Ohio. It is part of Miami County and uses the Eastern (EST/EDT) timezone.
What is zip code 45373?
Zip code 45373 is a U.S. postal code in Troy, Ohio (Miami County). It has a population of 37,274 and covers 85.6 square miles.
What is the population of zip code 45373?
The population of zip code 45373 (Troy, OH) is 37,274 with a median age of 39.4. There are approximately 15,691 housing units in this area.
What is the median income in zip code 45373?
The median household income in zip code 45373 (Troy, OH) is $78,278 per year. The cost of living index is 87 (100 = national average).
What is the average home price in zip code 45373?
The median home value in zip code 45373 (Troy, OH) is $234,400. The cost of living index is 87 compared to the national average of 100.
What county is zip code 45373 in?
Zip code 45373 is located in Miami County, Ohio. The primary city is Troy.
What is the area code for zip code 45373?
Zip code 45373 in Troy, OH uses area code 937. It is located in the Eastern (EST/EDT) timezone.
Is zip code 45373 a good place to live?
Zip code 45373 (Troy, OH) has a cost of living index of 87 (100 = national average), a median household income of $78,278, and median home values of $234,400. The median age is 39.4. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 45373?
The cost of living index for zip code 45373 (Troy, OH) is 87, where 100 represents the national average. This area is below the national average. Median home value: $234,400.
What schools serve zip code 45373?
Zip code 45373 in Troy, Ohio is served by the local school district of Miami County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.