45431 ZIP Code — Dayton, OH
Greene County, Ohio
ZIP code 45431 is located in Dayton, Ohio, within Greene County. It covers approximately 11.73 square miles and serves a population of 26,446 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 326/937/937/740.
About ZIP code 45431
The housing stock consists of a mix of housing types. Most homes were built in the 1950s, giving the area an established character. Median home value is $181,700. Owner-occupancy sits near the national average at 53%.
Median household income is $75,293.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 19 minutes is near the national average.
Educational attainment is near the national average, with 37% of residents holding a bachelor's degree or higher.
Notable community characteristics include a notable veteran presence at 13% of civilians, above the national average of 7%.
26,446
population
11.73
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
45431 ZIP code map
Cities in ZIP code 45431
Below are the cities the US Postal Service accepts for ZIP code 45431. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Dayton | Acceptable |
| Dayton | Acceptable |
| Dayton | Preferred |
Nearby ZIP codes
45435 Dayton (0.8 mi)
45432 Dayton (2.1 mi)
45433 Dayton (2.7 mi)
45430 Dayton (3.7 mi)
45403 Dayton (3.9 mi)
45434 Dayton (4.5 mi)
45410 Dayton (4.6 mi)
45420 Dayton (4.8 mi)
45404 Dayton (4.9 mi)
45324 Fairborn (5 mi)
45424 Dayton (5.7 mi)
45448 Dayton (6.1 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 26,446 |
| Population density | 2,255 / sq mi |
| State FIPS | 39 |
| County FIPS | 057 |
| Geography | |
|---|---|
| Land area | 11.73 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 39.7694 |
| Longitude | -84.0757 |
| Timezone | Eastern (ET) |
| Area code | 326/937/937/740 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 37.7% | 39.0% | 43.3% |
| $50k – $100k | 33.6% | 31.8% | 31.4% |
| $100k – $200k | 24.3% | 23.4% | 20.0% |
| Over $200k | 4.3% | 5.8% | 5.2% |
Demographics & statistics
26,446
Population
2,255
People per sq mi
34.3
Median age
$75,293
Median household income
$42,466
Per capita income
$181,700
Median home value
$1,240
Median monthly rent
53.2%
Home ownership
9.6%
Poverty rate
2.8%
Unemployment
7,326
Housing units
36.5%
Bachelor's or higher
Age distribution
Male
Female
750
Under 5
747
778
5–9
776
753
10–14
750
685
15–19
682
1,189
20–24
1,185
2,588
25–34
2,580
1,475
35–44
1,470
1,477
45–54
1,472
731
55–59
729
685
60–64
682
1,283
65–74
1,280
704
75–84
702
147
85+
146
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 5,440 | 20.6% |
| 18 and over | 21,006 | 79.4% |
| 65 and over | 4,262 | 16.1% |
| Median age | 34.3 years | |
Race & ethnicity
White
79.6%
Two or more races
6.8%
Asian
5.6%
Black or African American
3.6%
Hispanic or Latino
3.1%
Other race
1.2%
American Indian / Alaska Native
0.1%
Native Hawaiian / Pacific Islander
0.1%
| Group | Count | % |
|---|---|---|
| White | 21,709 | 79.6% |
| Two or more races | 1,867 | 6.8% |
| Asian | 1,521 | 5.6% |
| Black or African American | 993 | 3.6% |
| Hispanic or Latino | 840 | 3.1% |
| Other race | 320 | 1.2% |
| American Indian / Alaska Native | 19 | 0.1% |
| Native Hawaiian / Pacific Islander | 17 | 0.1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 37.7% | 39.0% | 43.3% |
| $50k – $100k | 33.6% | 31.8% | 31.4% |
| $100k – $200k | 24.3% | 23.4% | 20.0% |
| Over $200k | 4.3% | 5.8% | 5.2% |
Under $10k
3.5%
$10k–$15k
2.4%
$15k–$25k
7.6%
$25k–$35k
6.1%
$35k–$50k
10.3%
$50k–$75k
19.8%
$75k–$100k
15.7%
$100k–$150k
19.0%
$150k–$200k
8.4%
$200k+
7.1%
| Range | % of households |
|---|---|
| Under $10k | 3.5% |
| $10k–$15k | 2.4% |
| $15k–$25k | 7.6% |
| $25k–$35k | 6.1% |
| $35k–$50k | 10.3% |
| $50k–$75k | 19.8% |
| $75k–$100k | 15.7% |
| $100k–$150k | 19.0% |
| $150k–$200k | 8.4% |
| $200k+ | 7.1% |
| Median income | $75,293 |
Housing
Home values
Under $50k
4.3%
$50k–$100k
17.3%
$100k–$150k
17.5%
$150k–$200k
20.5%
$200k–$300k
25.4%
$300k–$500k
14.4%
$500k–$1M
0.4%
$1M+
0.2%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $181,700 |
| Median rent / month | $1,240 |
| Owner occupied | 53.2% |
| Renter occupied | 46.8% |
| Vacant | 8.0% |
| Single-family detached | 51.9% |
| Large apartment buildings | 6.9% |
| Mobile homes | 1.7% |
| Median rooms | 5.5 |
| Avg household size (owned) | 2.33 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.1% |
| 2010–2019 | 6.1% |
| 2000–2009 | 20.8% |
| 1990–1999 | 10.2% |
| 1980–1989 | 8.1% |
| 1970–1979 | 10.5% |
| 1960–1969 | 14.1% |
| 1950–1959 | 20.9% |
| 1940–1949 | 7.3% |
| 1939 or earlier | 2.0% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.7% |
| 1 bedroom | 7.7% |
| 2 bedrooms | 28.6% |
| 3 bedrooms | 41.7% |
| 4 bedrooms | 17.3% |
| 5+ bedrooms | 4.0% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 3.9% |
| 1 vehicle | 38.0% |
| 2 vehicles | 40.3% |
| 3 or more | 17.9% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 65.5% |
| Electricity | 30.4% |
| Propane / LP gas | 1.1% |
| Fuel oil | 2.3% |
| Wood | 0.4% |
| No fuel used | 0.1% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 5,171 | 43.7% |
| Cohabiting couple | 821 | 6.9% |
| Male householder, no spouse | 2,557 | 21.6% |
| Female householder, no spouse | 3,295 | 27.8% |
| Households with children under 18 | 2,811 | 23.7% |
| Households with seniors (65+) | 2,899 | 24.5% |
| Average household size | 2.23 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 40.9% | 31.6% |
| Married | 48.8% | 47.1% |
| Separated | 1.6% | 1.9% |
| Widowed | 1.3% | 7.7% |
| Divorced | 7.4% | 11.6% |
Education
Less than 9th grade
2.1%
Some HS, no diploma
4.2%
HS graduate
23.7%
Some college, no degree
22.2%
Associate's degree
11.3%
Bachelor's degree
18.5%
Graduate / professional
18.0%
| Metric | % |
|---|---|
| HS diploma or higher | 93.7% |
| Bachelor's or higher | 36.5% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 357 | 5.5% |
| Kindergarten | 263 | 4.1% |
| Elementary school | 2,415 | 37.5% |
| High school | 1,068 | 16.6% |
| College / grad school | 2,335 | 36.3% |
Employment
Industry of employment
Education & healthcare
20.6%
Professional & management
16.0%
Public administration
13.0%
Retail trade
12.6%
Manufacturing
9.4%
Arts, food & hospitality
9.4%
Transportation & utilities
4.9%
Construction
4.3%
Finance & real estate
3.6%
Other services
3.3%
Information
1.5%
Wholesale trade
1.0%
Agriculture & mining
0.6%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 48.3% |
| Service | 15.9% |
| Sales & office | 18.7% |
| Natural resources & construction | 5.8% |
| Production & transportation | 11.3% |
Employment type
| Type | % |
|---|---|
| Private sector | 73.2% |
| Government | 22.9% |
| Self-employed | 3.9% |
| Unpaid family workers | 0.1% |
Commute
| Method | % |
|---|---|
| Drive alone | 80.9% |
| Carpool | 7.8% |
| Public transit | 0.4% |
| Walk | 0.3% |
| Work from home | 9.8% |
| Other means | 0.9% |
| Avg commute (minutes) | 19.0 |
Poverty
All people
9.6%
Under 18 years
12.0%
18 and over
9.0%
Married-couple families
3.4%
Female-led households
18.4%
Income support
| Source | % of households |
|---|---|
| Social Security | 27.2% |
| Retirement income | 22.6% |
| Supplemental Security | 3.6% |
| Cash public assistance | 1.4% |
| Food stamps / SNAP | 7.6% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 34.4% |
| High blood pressure | 29.5% |
| High cholesterol | 28.7% |
| Diabetes | 9.4% |
| Heart disease | 5.7% |
| Stroke | 2.7% |
| Asthma | 10.1% |
| Arthritis | 23.4% |
| Kidney disease | 2.5% |
| Pulmonary disease | 7.2% |
| Cancer | 5.8% |
| Behavior / access | % |
|---|---|
| Smoking | 18.8% |
| Binge drinking | 18.3% |
| No physical activity | 22.7% |
| Less than 7 hrs sleep | 35.1% |
| Depression | 23.2% |
| Fair or poor health | 13.2% |
| Poor mental health | 16.4% |
| Poor physical health | 9.2% |
| No health insurance | 11.0% |
| Visited doctor (checkup) | 76.4% |
| Visited dentist | 65.6% |
| Cholesterol screening | 87.0% |
| Teeth loss | 13.9% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 2,519 | 12.7% |
| Disability | % |
|---|---|
| Any disability | 12.9% |
| Under 18 | 3.8% |
| 18–64 years | 11.1% |
| 65 and over | 31.2% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 75.1% |
| Public insurance | 32.0% |
| No insurance | 5.5% |
| Uninsured under 19 | 4.5% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 24,949 | 94.3% |
| Spanish | 750 | 3.0% |
| Other Indo-European | 195 | 0.8% |
| Asian & Pacific Islander | 209 | 0.8% |
| Other languages | 312 | 1.3% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 24,788 | 93.7% |
| Born in same state | 24,087 | 91.1% |
| Born in different state | 14,823 | 56.1% |
| Foreign born | 701 | 2.7% |
| Naturalized citizen | 1,658 | 6.3% |
| Not a US citizen | 1,031 | 62.2% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 3,253 | 12.3% |
| French | 2,731 | 10.3% |
| Arab | 1,422 | 5.4% |
| English | 346 | 1.3% |
| Norwegian | 134 | 0.5% |
| Ancestry | Count | % |
|---|---|---|
| Irish | 115 | 0.4% |
| Polish | 109 | 0.4% |
| Dutch | 85 | 0.3% |
| German | 78 | 0.3% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 44.8% |
| Internet access | 96.5% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 45431
What city is ZIP code 45431 in?
ZIP code 45431 is primarily assigned to Dayton, Ohio.
What county is ZIP code 45431 in?
ZIP code 45431 falls within Greene County, Ohio.
Does ZIP code 45431 have a large veteran population?
13% of civilians in ZIP code 45431 are veterans, above the national average of ~7%.
What is the typical home value in ZIP code 45431?
The median home value in ZIP code 45431 is $181,700.
What is the population of ZIP code 45431?
ZIP code 45431 has an estimated population of 26,446 residents, with a density of 2,254 people per square mile.
What is the median household income in ZIP code 45431?
The median household income in ZIP code 45431 is $75,293, above the national median of ~$75,000.
What timezone is ZIP code 45431 in?
ZIP code 45431 observes the EST timezone.