45342 ZIP Code — Miamisburg, OH
Montgomery County, Ohio
ZIP code 45342 is located in Miamisburg, Ohio, within Montgomery County. It covers approximately 34.31 square miles and serves a population of 36,127 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 326/937.
About ZIP code 45342
The housing stock consists of a mix of housing types. Most homes were built in the 1980s, giving the area an established character. Median home value is $188,000. Owner-occupancy sits near the national average at 62%.
Median household income is $75,606.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 24 minutes is near the national average.
Educational attainment is near the national average, with 33% of residents holding a bachelor's degree or higher.
36,127
population
34.31
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
45342 ZIP code map
Cities in ZIP code 45342
Below are the cities the US Postal Service accepts for ZIP code 45342. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Miamisburg | Acceptable |
| Miamisburg | Preferred |
Nearby ZIP codes
45449 Dayton (2.4 mi)
45439 Dayton (5.1 mi)
45459 Dayton (5.9 mi)
45458 Dayton (6.3 mi)
45327 Germantown (6.6 mi)
45429 Dayton (6.6 mi)
45066 Springboro (6.7 mi)
45409 Dayton (7.5 mi)
45409 Dayton (7.5 mi)
45005 Franklin (7.6 mi)
45005 Franklin (7.6 mi)
45419 Dayton (7.6 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 36,127 |
| Population density | 1,053 / sq mi |
| State FIPS | 39 |
| County FIPS | 113 |
| Geography | |
|---|---|
| Land area | 34.31 sq mi |
| Water area | 0.44 sq mi |
| Latitude | 39.6374 |
| Longitude | -84.2718 |
| Timezone | Eastern (ET) |
| Area code | 326/937 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 36.5% | 46.3% | 43.3% |
| $50k – $100k | 32.0% | 30.6% | 31.4% |
| $100k – $200k | 27.2% | 18.5% | 20.0% |
| Over $200k | 4.4% | 4.5% | 5.2% |
Demographics & statistics
36,127
Population
1,053
People per sq mi
38.5
Median age
$75,606
Median household income
$39,315
Per capita income
$188,000
Median home value
$1,170
Median monthly rent
61.5%
Home ownership
9.6%
Poverty rate
5.4%
Unemployment
10,107
Housing units
32.7%
Bachelor's or higher
Age distribution
Male
Female
1,036
Under 5
1,011
1,236
5–9
1,206
1,102
10–14
1,076
1,062
15–19
1,037
1,165
20–24
1,136
2,731
25–34
2,664
2,302
35–44
2,245
2,345
45–54
2,288
1,041
55–59
1,016
1,433
60–64
1,399
1,697
65–74
1,655
766
75–84
748
370
85+
360
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 8,305 | 23.0% |
| 18 and over | 27,822 | 77.0% |
| 65 and over | 5,596 | 15.5% |
| Median age | 38.5 years | |
Race & ethnicity
White
83.6%
Black or African American
4.6%
Two or more races
3.8%
Asian
3.7%
Hispanic or Latino
2.5%
Other race
1.5%
American Indian / Alaska Native
0.2%
| Group | Count | % |
|---|---|---|
| White | 30,964 | 83.6% |
| Black or African American | 1,716 | 4.6% |
| Two or more races | 1,405 | 3.8% |
| Asian | 1,389 | 3.7% |
| Hispanic or Latino | 914 | 2.5% |
| Other race | 565 | 1.5% |
| American Indian / Alaska Native | 88 | 0.2% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 36.5% | 46.3% | 43.3% |
| $50k – $100k | 32.0% | 30.6% | 31.4% |
| $100k – $200k | 27.2% | 18.5% | 20.0% |
| Over $200k | 4.4% | 4.5% | 5.2% |
Under $10k
2.7%
$10k–$15k
2.9%
$15k–$25k
5.1%
$25k–$35k
6.1%
$35k–$50k
13.9%
$50k–$75k
19.0%
$75k–$100k
13.4%
$100k–$150k
20.4%
$150k–$200k
8.5%
$200k+
8.1%
| Range | % of households |
|---|---|
| Under $10k | 2.7% |
| $10k–$15k | 2.9% |
| $15k–$25k | 5.1% |
| $25k–$35k | 6.1% |
| $35k–$50k | 13.9% |
| $50k–$75k | 19.0% |
| $75k–$100k | 13.4% |
| $100k–$150k | 20.4% |
| $150k–$200k | 8.5% |
| $200k+ | 8.1% |
| Median income | $75,606 |
Housing
Home values
Under $50k
7.8%
$50k–$100k
8.6%
$100k–$150k
16.6%
$150k–$200k
22.5%
$200k–$300k
30.4%
$300k–$500k
12.4%
$500k–$1M
1.3%
$1M+
0.4%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $188,000 |
| Median rent / month | $1,170 |
| Owner occupied | 61.5% |
| Renter occupied | 38.5% |
| Vacant | 6.6% |
| Single-family detached | 59.2% |
| Large apartment buildings | 8.0% |
| Mobile homes | 5.9% |
| Median rooms | 5.6 |
| Avg household size (owned) | 2.59 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.7% |
| 2010–2019 | 5.0% |
| 2000–2009 | 15.6% |
| 1990–1999 | 15.9% |
| 1980–1989 | 17.5% |
| 1970–1979 | 12.5% |
| 1960–1969 | 8.8% |
| 1950–1959 | 9.0% |
| 1940–1949 | 2.8% |
| 1939 or earlier | 12.3% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.5% |
| 1 bedroom | 9.6% |
| 2 bedrooms | 29.4% |
| 3 bedrooms | 43.6% |
| 4 bedrooms | 12.7% |
| 5+ bedrooms | 3.2% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 4.7% |
| 1 vehicle | 36.5% |
| 2 vehicles | 35.9% |
| 3 or more | 22.9% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 58.5% |
| Electricity | 33.4% |
| Propane / LP gas | 4.8% |
| Fuel oil | 2.0% |
| Wood | 0.4% |
| No fuel used | 0.6% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 7,364 | 49.9% |
| Cohabiting couple | 1,163 | 7.9% |
| Male householder, no spouse | 2,666 | 18.1% |
| Female householder, no spouse | 3,550 | 24.1% |
| Households with children under 18 | 4,888 | 33.2% |
| Households with seniors (65+) | 4,026 | 27.3% |
| Average household size | 2.43 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 31.5% | 25.6% |
| Married | 55.9% | 50.6% |
| Separated | 0.5% | 2.2% |
| Widowed | 3.0% | 10.2% |
| Divorced | 9.1% | 11.4% |
Education
Less than 9th grade
2.1%
Some HS, no diploma
4.4%
HS graduate
28.9%
Some college, no degree
19.9%
Associate's degree
11.9%
Bachelor's degree
21.8%
Graduate / professional
11.0%
| Metric | % |
|---|---|
| HS diploma or higher | 93.4% |
| Bachelor's or higher | 32.7% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 348 | 4.3% |
| Kindergarten | 761 | 9.5% |
| Elementary school | 3,376 | 42.0% |
| High school | 1,925 | 23.9% |
| College / grad school | 1,637 | 20.3% |
Employment
Industry of employment
Education & healthcare
22.8%
Manufacturing
13.7%
Professional & management
12.5%
Retail trade
10.6%
Arts, food & hospitality
9.6%
Construction
7.4%
Finance & real estate
6.2%
Transportation & utilities
5.3%
Public administration
4.4%
Other services
3.4%
Wholesale trade
2.3%
Information
1.7%
Agriculture & mining
0.1%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 42.3% |
| Service | 14.7% |
| Sales & office | 19.2% |
| Natural resources & construction | 8.5% |
| Production & transportation | 15.2% |
Employment type
| Type | % |
|---|---|
| Private sector | 83.7% |
| Government | 12.8% |
| Self-employed | 3.4% |
| Unpaid family workers | 0.1% |
Commute
| Method | % |
|---|---|
| Drive alone | 79.1% |
| Carpool | 8.4% |
| Public transit | 0.3% |
| Walk | 1.0% |
| Work from home | 10.2% |
| Other means | 0.9% |
| Avg commute (minutes) | 24.1 |
Poverty
All people
9.6%
Under 18 years
14.5%
18 and over
8.1%
Married-couple families
3.3%
Female-led households
21.4%
Income support
| Source | % of households |
|---|---|
| Social Security | 28.2% |
| Retirement income | 23.7% |
| Supplemental Security | 4.1% |
| Cash public assistance | 1.5% |
| Food stamps / SNAP | 7.3% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 35.8% |
| High blood pressure | 31.5% |
| High cholesterol | 31.8% |
| Diabetes | 10.0% |
| Heart disease | 6.3% |
| Stroke | 2.9% |
| Asthma | 10.1% |
| Arthritis | 26.4% |
| Kidney disease | 2.7% |
| Pulmonary disease | 7.9% |
| Cancer | 6.7% |
| Behavior / access | % |
|---|---|
| Smoking | 19.9% |
| Binge drinking | 18.3% |
| No physical activity | 24.6% |
| Less than 7 hrs sleep | 36.2% |
| Depression | 23.0% |
| Fair or poor health | 14.2% |
| Poor mental health | 16.3% |
| Poor physical health | 9.8% |
| No health insurance | 11.2% |
| Visited doctor (checkup) | 77.8% |
| Visited dentist | 64.4% |
| Cholesterol screening | 88.6% |
| Teeth loss | 13.9% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 2,516 | 9.1% |
| Disability | % |
|---|---|
| Any disability | 13.3% |
| Under 18 | 6.8% |
| 18–64 years | 9.9% |
| 65 and over | 37.7% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 72.3% |
| Public insurance | 32.0% |
| No insurance | 7.9% |
| Uninsured under 19 | 4.9% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 34,080 | 94.3% |
| Spanish | 742 | 2.2% |
| Other Indo-European | 219 | 0.6% |
| Asian & Pacific Islander | 180 | 0.5% |
| Other languages | 343 | 1.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 33,912 | 93.9% |
| Born in same state | 33,655 | 93.2% |
| Born in different state | 24,824 | 68.7% |
| Foreign born | 257 | 0.7% |
| Naturalized citizen | 2,215 | 6.1% |
| Not a US citizen | 957 | 43.2% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 5,948 | 16.5% |
| French | 4,724 | 13.1% |
| Arab | 2,760 | 7.6% |
| English | 551 | 1.5% |
| Irish | 185 | 0.5% |
| Ancestry | Count | % |
|---|---|---|
| German | 171 | 0.5% |
| Polish | 136 | 0.4% |
| Dutch | 103 | 0.3% |
| Norwegian | 40 | 0.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 40.8% |
| Internet access | 95.4% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 45342
What city is ZIP code 45342 in?
ZIP code 45342 is primarily assigned to Miamisburg, Ohio.
What county is ZIP code 45342 in?
ZIP code 45342 falls within Montgomery County, Ohio.
Does ZIP code 45342 have a large veteran population?
9% of civilians in ZIP code 45342 are veterans, above the national average of ~7%.
What is the typical home value in ZIP code 45342?
The median home value in ZIP code 45342 is $188,000.
What is the population of ZIP code 45342?
ZIP code 45342 has an estimated population of 36,127 residents, with a density of 1,053 people per square mile.
What is the median household income in ZIP code 45342?
The median household income in ZIP code 45342 is $75,606, above the national median of ~$75,000.
What timezone is ZIP code 45342 in?
ZIP code 45342 observes the EST timezone.