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Ohio ZIP Codes
Montgomery County
Dayton, OH
45420
45420 ZIP Code — Dayton, OH
Montgomery County, Ohio
ZIP code 45420 is located in
Dayton ,
Ohio ,
within Montgomery County .
It covers approximately 6.44 square miles and serves a population of
23,600 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 326/937 .
About ZIP code 45420
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1950s, giving the area an established character. Median home value is $107,500. Owner-occupancy sits near the national average at 62%.
Median household income is $54,425.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 20 minutes is near the national average.
Educational attainment is near the national average, with 25% of residents holding a bachelor's degree or higher.
Health indicators show elevated rates of smoking (23%) compared to national benchmarks.
45420 ZIP code map
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Cities in ZIP code 45420
Below are the cities the US Postal Service accepts for ZIP code 45420. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
23,600
Population density
3,665 / sq mi
State FIPS
39
County FIPS
113
Geography
Land area
6.44 sq mi
Water area
0.02 sq mi
Latitude
39.7172
Longitude
-84.1362
Timezone
Eastern (ET)
Area code
326/937
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
53.7%
46.3%
43.3%
$50k – $100k
32.6%
30.6%
31.4%
$100k – $200k
13.3%
18.5%
20.0%
Over $200k
0.5%
4.5%
5.2%
Demographics & statistics
$54,425
Median household income
$107,500
Median home value
25.4%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 4,449 18.9%
18 and over 19,151 81.1%
65 and over 3,833 16.2%
Median age 39.8 years
Race & ethnicity
Black or African American
6.6%
Group Count %
White 19,946 83%
Black or African American 1,593 6.6%
Two or more races 1,167 4.9%
Asian 728 3%
Hispanic or Latino 432 1.8%
Other race 161 0.7%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
53.7%
46.3%
43.3%
$50k – $100k
32.6%
30.6%
31.4%
$100k – $200k
13.3%
18.5%
20.0%
Over $200k
0.5%
4.5%
5.2%
Range % of households
Under $10k 4.2%
$10k–$15k 6.0%
$15k–$25k 9.6%
$25k–$35k 12.0%
$35k–$50k 14.3%
$50k–$75k 20.2%
$75k–$100k 15.2%
$100k–$150k 12.5%
$150k–$200k 4.6%
$200k+ 1.4%
Median income $54,425
Housing
Housing overview
Metric Value
Median home value $107,500
Median rent / month $899
Owner occupied 62.1%
Renter occupied 37.9%
Vacant 6.0%
Single-family detached 72.0%
Large apartment buildings 6.4%
Mobile homes 0.1%
Median rooms 5.3
Avg household size (owned) 2.06
Year built
Era %
2020 or later 0.1%
2010–2019 0.6%
2000–2009 1.3%
1990–1999 3.6%
1980–1989 3.7%
1970–1979 6.8%
1960–1969 14.8%
1950–1959 28.4%
1940–1949 14.8%
1939 or earlier 25.9%
Bedrooms
Size % of units
No bedroom (studio) 1.7%
1 bedroom 12.7%
2 bedrooms 34.7%
3 bedrooms 40.9%
4 bedrooms 8.9%
5+ bedrooms 1.0%
Vehicles per household
Vehicles % of households
No vehicle 8.1%
1 vehicle 43.0%
2 vehicles 36.9%
3 or more 12.0%
Heating fuel
Fuel type %
Utility gas 82.1%
Electricity 15.1%
Propane / LP gas 2.2%
Wood 0.1%
No fuel used 0.3%
Households & families
Household type Count %
Married-couple family 3,847 33.2%
Cohabiting couple 876 7.6%
Male householder, no spouse 3,105 26.8%
Female householder, no spouse 3,747 32.4%
Households with children under 18 2,562 22.1%
Households with seniors (65+) 3,154 27.2%
Average household size 2.03
Marital status
Status Male Female
Never married 36.1% 28.0%
Married 41.5% 39.9%
Separated 1.3% 2.3%
Widowed 3.5% 7.1%
Divorced 17.6% 22.7%
Education
Some college, no degree
25.2%
Graduate / professional
8.3%
Metric %
HS diploma or higher 92.4%
Bachelor's or higher 25.4%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 288 6.1%
Kindergarten 341 7.2%
Elementary school 1,837 38.8%
High school 812 17.1%
College / grad school 1,462 30.8%
Employment
Industry of employment
Education & healthcare
28.6%
Professional & management
10.0%
Arts, food & hospitality
9.2%
Transportation & utilities
5.3%
Finance & real estate
4.5%
Public administration
2.5%
Agriculture & mining
0.2%
Occupation
Category %
Management, business & arts 35.5%
Service 20.1%
Sales & office 20.5%
Natural resources & construction 7.9%
Production & transportation 15.9%
Employment type
Type %
Private sector 84.3%
Government 11.4%
Self-employed 4.3%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 84.5%
Carpool 8.0%
Public transit 0.9%
Walk 1.1%
Work from home 5.1%
Other means 0.4%
Avg commute (minutes) 19.9
Poverty
Married-couple families
2.3%
Female-led households
26.5%
Income support
Source % of households
Social Security 28.4%
Retirement income 22.5%
Supplemental Security 4.9%
Cash public assistance 3.3%
Food stamps / SNAP 11.1%
Health indicators
Condition %
Obesity 38.4%
High blood pressure 33.6%
High cholesterol 31.7%
Diabetes 11.3%
Heart disease 7.1%
Stroke 3.4%
Asthma 10.9%
Arthritis 28.5%
Kidney disease 3.1%
Pulmonary disease 9.6%
Cancer 6.8%
Behavior / access %
Smoking 22.9%
Binge drinking 18.2%
No physical activity 27.4%
Less than 7 hrs sleep 37.3%
Depression 24.7%
Fair or poor health 16.9%
Poor mental health 17.8%
Poor physical health 11.5%
No health insurance 12.3%
Visited doctor (checkup) 77.9%
Visited dentist 59.8%
Cholesterol screening 87.1%
Teeth loss 16.6%
Veterans & disability
Veterans Count %
Civilian veterans 1,371 7.2%
Disability %
Any disability 16.2%
Under 18 8.4%
18–64 years 14.0%
65 and over 34.0%
Health insurance coverage
Type %
Private insurance 67.3%
Public insurance 36.7%
No insurance 7.1%
Uninsured under 19 6.1%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 22,286 94.4%
Spanish 715 3.2%
Other Indo-European 126 0.6%
Asian & Pacific Islander 178 0.8%
Other languages 45 0.2%
Place of birth & citizenship
Origin Count %
Native born (US) 22,068 93.5%
Born in same state 21,807 92.4%
Born in different state 17,858 75.7%
Foreign born 261 1.1%
Naturalized citizen 1,532 6.5%
Not a US citizen 467 30.5%
Ancestry
Ancestry Count %
Italian 3,566 15.1%
French 2,566 10.9%
Arab 1,142 4.8%
English 312 1.3%
Irish 144 0.6%
Ancestry Count %
Polish 44 0.2%
German 32 0.1%
Norwegian 25 0.1%
Dutch 7 0%
Technology access
Metric % of households
Computer access 49.0%
Internet access 90.8%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 45420
What city is ZIP code 45420 in?
ZIP code 45420 is primarily assigned to Dayton, Ohio.
What county is ZIP code 45420 in?
ZIP code 45420 falls within Montgomery County, Ohio.
What is the typical home value in ZIP code 45420?
The median home value in ZIP code 45420 is $107,500.
What is the population of ZIP code 45420?
ZIP code 45420 has an estimated population of 23,600 residents, with a density of 3,662 people per square mile.
What is the median household income in ZIP code 45420?
The median household income in ZIP code 45420 is $54,425, below the national median of ~$75,000.
What timezone is ZIP code 45420 in?
ZIP code 45420 observes the EST timezone.
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