Zip Code 45331
Greenville, Ohio — Darke County
📍 ZIP code 45331 is in Greenville, Darke County, Ohio.
ZIP code 45331 is located in Greenville, Darke County, Ohio. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 22,298. The area code for ZIP code 45331 is 937.
Quick Answer
Zip code 45331 is in Greenville, Ohio (Darke County). It has a population of 22,298, median household income of $53,797, and median home value of $159,100.
Population
22,298
Income
$53,797
Home Value
$159,100
Climate
85°F / 19°F
About Zip Code 45331
Zip code 45331 is located in Greenville, Ohio, within Darke County. Home to approximately 22,298 residents, this area sits at an elevation of 1017 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 937.
The median household income is $53,797 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $159,100, and the cost of living index is 60 (40% below the national average of 100).
Summers average a high of 85°F while winters drop to 19°F. The area receives about 40 in of rain and 30 in of snow annually. The zip code covers 149.5 square miles of land area and 0.6 square miles of water.
Key Statistics
22,298
$53,797
$159,100
Eastern (EST/EDT)
937
1017 ft
149.5 sq mi
42.7
10,400
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Compare With Nearby Zip Codes
| Metric | 45331 | 45352 | 45303 | 45328 | 45346 | 45390 |
|---|---|---|---|---|---|---|
| City | Greenville, OH | Palestine, OH | Ansonia, OH | Gettysburg, OH | New Madison, OH | Union City, OH |
| Population | 22,298 | 177 | 2,169 | 538 | 2,022 | 3,349 |
| Median Income | $53,797 | $63,542 | $54,669 | $63,594 | $81,076 | $46,974 |
| Home Value | $159,100 | $62,500 | $125,300 | $106,300 | $162,300 | $111,500 |
| Cost of Living | 60 | 60 | 60 | 60 | 72 | 60 |
| Median Age | 42.7 | 38.6 | 38.4 | 34.8 | 48.4 | 39.6 |
Cost of Living
100 = National Average. Greenville's cost of living is 40% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
3.0x
Demographics
Zip code 45331 has a population of 22,298 people with a median age of 42.7. There are 10,400 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Greenville (45331) population trend from 2010 to 2024
↓ 0.0%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
85°F
19°F
40 in
30 in
Greenville experiences warm summers with average highs around 85°F. Winters are cold with lows averaging 19°F. The area receives about 30 in of snow per year.
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Housing & Economy
Median Home Value
$159,100
Median Household Income
$53,797
With 10,400 housing units across 149.5 square miles, 45331 has a housing density of 70 units per square mile. The home price-to-income ratio is 3.0x.
Location & Geography
Latitude
40.0986°
Longitude
-84.6505°
Land Area
149.5 sq mi
Water Area
0.6 sq mi
Nearby Zip Codes
Zip codes closest to 45331 (Greenville, OH) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 45331's $53,797. A way to compare Greenville 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 45331 (Greenville, 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 Greenville, Ohio?
Greenville, Ohio uses zip code 45331.
What county is zip code 45331 in?
Zip code 45331 is located in Darke County, Ohio.
What is the population of zip code 45331?
The population of zip code 45331 is 22,298 with a median age of 42.7.
Is 45331 in Greenville, Ohio?
Yes, zip code 45331 is in Greenville, Darke County, Ohio. The area code is 937.
Frequently Asked Questions
What city is zip code 45331 in?
Zip code 45331 is in Greenville, Ohio. It is part of Darke County and uses the Eastern (EST/EDT) timezone.
What is zip code 45331?
Zip code 45331 is a U.S. postal code in Greenville, Ohio (Darke County). It has a population of 22,298 and covers 149.5 square miles.
What is the population of zip code 45331?
The population of zip code 45331 (Greenville, OH) is 22,298 with a median age of 42.7. There are approximately 10,400 housing units in this area.
What is the median income in zip code 45331?
The median household income in zip code 45331 (Greenville, OH) is $53,797 per year. The cost of living index is 60 (100 = national average).
What is the average home price in zip code 45331?
The median home value in zip code 45331 (Greenville, OH) is $159,100. The cost of living index is 60 compared to the national average of 100.
What county is zip code 45331 in?
Zip code 45331 is located in Darke County, Ohio. The primary city is Greenville.
What is the area code for zip code 45331?
Zip code 45331 in Greenville, OH uses area code 937. It is located in the Eastern (EST/EDT) timezone.
Is zip code 45331 a good place to live?
Zip code 45331 (Greenville, OH) has a cost of living index of 60 (100 = national average), a median household income of $53,797, and median home values of $159,100. The median age is 42.7. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 45331?
The cost of living index for zip code 45331 (Greenville, OH) is 60, where 100 represents the national average. This area is below the national average. Median home value: $159,100.
What schools serve zip code 45331?
Zip code 45331 in Greenville, Ohio is served by the local school district of Darke 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.