Zip Code 45420
Dayton, Ohio — Montgomery County
📍 ZIP code 45420 is in Dayton, Montgomery County, Ohio.
ZIP code 45420 is located in Dayton, Montgomery County, Ohio. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 23,956. The area code for ZIP code 45420 is 937.
Quick Answer
Zip code 45420 is in Dayton, Ohio (Montgomery County). It has a population of 23,956, median household income of $56,670, and median home value of $116,200.
Population
23,956
Income
$56,670
Home Value
$116,200
Climate
87°F / 20°F
About Zip Code 45420
Zip code 45420 is located in Dayton, Ohio, within Montgomery County. Home to approximately 23,956 residents, this area sits at an elevation of 903 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 937.
The median household income is $56,670 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $116,200, and the cost of living index is 60 (40% below the national average of 100).
Summers average a high of 87°F while winters drop to 20°F. The area receives about 42 in of rain and 12 in of snow annually. The zip code covers 6.2 square miles of land area.
Key Statistics
23,956
$56,670
$116,200
Eastern (EST/EDT)
937
903 ft
6.2 sq mi
39.8
12,391
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Compare With Nearby Zip Codes
| Metric | 45420 | 45419 | 45430 | 45410 | 45432 | 45429 |
|---|---|---|---|---|---|---|
| City | Dayton, OH | Oakwood, OH | Dayton, OH | Dayton, OH | Dayton, OH | Dayton, OH |
| Population | 23,956 | 16,583 | 7,171 | 15,617 | 14,988 | 26,510 |
| Median Income | $56,670 | $85,876 | $107,500 | $46,766 | $83,323 | $77,291 |
| Home Value | $116,200 | $237,700 | $261,700 | $97,800 | $181,900 | $221,200 |
| Cost of Living | 60 | 91 | 106 | 60 | 78 | 84 |
| Median Age | 39.8 | 36.1 | 43.8 | 33.4 | 40.4 | 40.5 |
Cost of Living
100 = National Average. Dayton's cost of living is 40% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
2.1x
Demographics
Zip code 45420 has a population of 23,956 people with a median age of 39.8. There are 12,391 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Dayton (45420) population trend from 2010 to 2024
↑ 171.5%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
87°F
20°F
42 in
12 in
Dayton experiences warm summers with average highs around 87°F. Winters are cold with lows averaging 20°F. The area receives about 12 in of snow per year.
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Housing & Economy
Median Home Value
$116,200
Median Household Income
$56,670
With 12,391 housing units across 6.2 square miles, 45420 has a housing density of 1,999 units per square mile. The home price-to-income ratio is 2.1x.
Location & Geography
Latitude
39.7188°
Longitude
-84.1292°
Land Area
6.2 sq mi
Water Area
0 sq mi
Nearby Zip Codes
Zip codes closest to 45420 (Dayton, OH) with distances:
All Zip Codes in Dayton, OH
Other zip codes serving Dayton:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 45420's $56,670. A way to compare Dayton 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 45420 (Dayton, 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 Dayton, Ohio?
Dayton, Ohio uses zip code 45420 along with 7 other zip codes.
What county is zip code 45420 in?
Zip code 45420 is located in Montgomery County, Ohio.
What is the population of zip code 45420?
The population of zip code 45420 is 23,956 with a median age of 39.8.
Is 45420 in Dayton, Ohio?
Yes, zip code 45420 is in Dayton, Montgomery County, Ohio. The area code is 937.
Frequently Asked Questions
What city is zip code 45420 in?
Zip code 45420 is in Dayton, Ohio. It is part of Montgomery County and uses the Eastern (EST/EDT) timezone.
What is zip code 45420?
Zip code 45420 is a U.S. postal code in Dayton, Ohio (Montgomery County). It has a population of 23,956 and covers 6.2 square miles.
What is the population of zip code 45420?
The population of zip code 45420 (Dayton, OH) is 23,956 with a median age of 39.8. There are approximately 12,391 housing units in this area.
What is the median income in zip code 45420?
The median household income in zip code 45420 (Dayton, OH) is $56,670 per year. The cost of living index is 60 (100 = national average).
What is the average home price in zip code 45420?
The median home value in zip code 45420 (Dayton, OH) is $116,200. The cost of living index is 60 compared to the national average of 100.
What county is zip code 45420 in?
Zip code 45420 is located in Montgomery County, Ohio. The primary city is Dayton.
What is the area code for zip code 45420?
Zip code 45420 in Dayton, OH uses area code 937. It is located in the Eastern (EST/EDT) timezone.
Is zip code 45420 a good place to live?
Zip code 45420 (Dayton, OH) has a cost of living index of 60 (100 = national average), a median household income of $56,670, and median home values of $116,200. The median age is 39.8. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 45420?
The cost of living index for zip code 45420 (Dayton, OH) is 60, where 100 represents the national average. This area is below the national average. Median home value: $116,200.
What schools serve zip code 45420?
Zip code 45420 in Dayton, Ohio is served by the local school district of Montgomery 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.