45373 ZIP Code — Troy, OH

Miami County, Ohio

ZIP code 45373 is located in Troy, Ohio, within Miami County. It covers approximately 87.69 square miles and serves a population of 37,714 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 326/937.

About ZIP code 45373

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $212,400. Owner-occupancy sits near the national average at 72%.

Median household income is $77,348. 32% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 21 minutes is near the national average.

Educational attainment is near the national average, with 32% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of smoking (22%) compared to national benchmarks.

37,714
population
87.69
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
45373 ZIP code map
Cities in ZIP code 45373

Below are the cities the US Postal Service accepts for ZIP code 45373. Using any city not on this list may result in mail delivery delays.

City Status
Troy Preferred
Nearby ZIP codes
45374 Troy (1.2 mi) 45312 Casstown (5.7 mi) 45371 Tipp City (6.5 mi) 45339 Ludlow Falls (8.8 mi) 45359 Pleasant Hill (8.8 mi) 45356 Piqua (9.9 mi) 45377 Vandalia (10.2 mi) 45383 West Milton (10.3 mi) 45318 Covington (10.6 mi) 45344 New Carlisle (11.1 mi) 45317 Conover (12.8 mi) 45322 Englewood (12.9 mi)
Demographics updated 06/2026
Population
Total population 37,714
Population density 430 / sq mi
State FIPS 39
County FIPS 109
Geography
Land area 87.69 sq mi
Water area 0.71 sq mi
Latitude 40.0326
Longitude -84.1825
Timezone Eastern (ET)
Area code 326/937
Total population by age
Gender
Race & ethnicity
Economics updated 06/2026
Household income
Income range This ZIP County avg State avg
Under $50k 33.6% 38.3% 43.3%
$50k – $100k 35.3% 36.3% 31.4%
$100k – $200k 26.5% 21.9% 20.0%
Over $200k 4.6% 3.5% 5.2%

Demographics & statistics

37,714
Population
430
People per sq mi
40.0
Median age
$77,348
Median household income
$38,131
Per capita income
$212,400
Median home value
$887
Median monthly rent
71.9%
Home ownership
7.5%
Poverty rate
4.0%
Unemployment
11,742
Housing units
31.5%
Bachelor's or higher

Age distribution

Male Female
935
Under 5
981
1,237
5–9
1,297
1,272
10–14
1,335
1,289
15–19
1,352
1,063
20–24
1,116
2,038
25–34
2,139
2,617
35–44
2,747
2,371
45–54
2,487
1,240
55–59
1,302
1,075
60–64
1,129
1,864
65–74
1,956
1,076
75–84
1,130
325
85+
341
← Male
Female →

Age summary

GroupCount%
Under 188,87423.5%
18 and over28,84076.5%
65 and over6,69217.7%
Median age40.0 years

Race & ethnicity

White 86.2%
Two or more races 4.9%
Asian 3.2%
Black or African American 2.6%
Hispanic or Latino 2.4%
Other race 0.6%
American Indian / Alaska Native 0.1%
GroupCount%
White33,30186.2%
Two or more races1,8744.9%
Asian1,2473.2%
Black or African American1,0212.6%
Hispanic or Latino9082.4%
Other race2290.6%
American Indian / Alaska Native420.1%

Household income

Income range This ZIP County avg State avg
Under $50k 33.6% 38.3% 43.3%
$50k – $100k 35.3% 36.3% 31.4%
$100k – $200k 26.5% 21.9% 20.0%
Over $200k 4.6% 3.5% 5.2%
Under $10k 3.5%
$10k–$15k 2.6%
$15k–$25k 6.7%
$25k–$35k 5.4%
$35k–$50k 13.1%
$50k–$75k 16.9%
$75k–$100k 14.2%
$100k–$150k 20.4%
$150k–$200k 9.5%
$200k+ 7.7%
Range% of households
Under $10k3.5%
$10k–$15k2.6%
$15k–$25k6.7%
$25k–$35k5.4%
$35k–$50k13.1%
$50k–$75k16.9%
$75k–$100k14.2%
$100k–$150k20.4%
$150k–$200k9.5%
$200k+7.7%
Median income$77,348

Housing

Home values

Under $50k 2.0%
$50k–$100k 7.0%
$100k–$150k 18.5%
$150k–$200k 18.8%
$200k–$300k 25.1%
$300k–$500k 22.5%
$500k–$1M 5.9%
$1M+ 0.2%

Housing overview

MetricValue
Median home value$212,400
Median rent / month$887
Owner occupied71.9%
Renter occupied28.1%
Vacant6.3%
Single-family detached78.1%
Large apartment buildings3.1%
Mobile homes0.2%
Median rooms6.1
Avg household size (owned)2.65

Year built

Era%
2020 or later0.4%
2010–20196.4%
2000–200912.7%
1990–199913.5%
1980–19896.9%
1970–197917.2%
1960–196911.9%
1950–19598.8%
1940–19496.0%
1939 or earlier16.2%

Bedrooms

Size% of units
No bedroom (studio)1.8%
1 bedroom7.1%
2 bedrooms20.6%
3 bedrooms43.0%
4 bedrooms23.1%
5+ bedrooms4.4%

Vehicles per household

Vehicles% of households
No vehicle6.8%
1 vehicle27.1%
2 vehicles39.8%
3 or more26.2%

Heating fuel

Fuel type%
Utility gas68.1%
Electricity25.7%
Propane / LP gas3.6%
Fuel oil1.4%
Wood0.9%

Households & families

Household typeCount%
Married-couple family7,99353.5%
Cohabiting couple9806.6%
Male householder, no spouse2,23815.0%
Female householder, no spouse3,71724.9%
Households with children under 185,03133.7%
Households with seniors (65+)4,60530.8%
Average household size2.49

Marital status

StatusMaleFemale
Never married31.7%22.9%
Married56.8%53.7%
Separated0.5%1.5%
Widowed3.0%8.2%
Divorced8.0%13.7%

Education

Less than 9th grade 1.0%
Some HS, no diploma 5.9%
HS graduate 33.3%
Some college, no degree 18.2%
Associate's degree 10.2%
Bachelor's degree 20.0%
Graduate / professional 11.5%
Metric%
HS diploma or higher93.1%
Bachelor's or higher31.5%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool6987.6%
Kindergarten4014.3%
Elementary school3,98543.1%
High school2,35025.4%
College / grad school1,81019.6%

Employment

Industry of employment

Manufacturing 26.2%
Education & healthcare 20.1%
Retail trade 9.9%
Professional & management 9.2%
Arts, food & hospitality 8.7%
Construction 4.8%
Other services 4.5%
Public administration 4.3%
Transportation & utilities 4.0%
Finance & real estate 4.0%
Wholesale trade 2.1%
Agriculture & mining 1.3%
Information 0.9%

Occupation

Category%
Management, business & arts40.3%
Service16.1%
Sales & office19.9%
Natural resources & construction6.1%
Production & transportation17.6%

Employment type

Type%
Private sector84.4%
Government10.7%
Self-employed4.8%
Unpaid family workers0.0%

Commute

Method%
Drive alone80.7%
Carpool8.1%
Public transit0.3%
Walk0.7%
Work from home8.5%
Other means1.7%
Avg commute (minutes)20.5

Poverty

All people 7.5%
Under 18 years 10.2%
18 and over 6.7%
Married-couple families 1.6%
Female-led households 22.6%

Income support

Source% of households
Social Security32.3%
Retirement income26.9%
Supplemental Security5.0%
Cash public assistance3.1%
Food stamps / SNAP9.3%

Health indicators

Condition%
Obesity34.9%
High blood pressure32.8%
High cholesterol31.3%
Diabetes10.7%
Heart disease6.8%
Stroke3.1%
Asthma10.0%
Arthritis27.2%
Kidney disease2.9%
Pulmonary disease8.3%
Cancer6.8%
Behavior / access%
Smoking22.4%
Binge drinking18.6%
No physical activity25.8%
Less than 7 hrs sleep35.7%
Depression23.9%
Fair or poor health14.1%
Poor mental health16.3%
Poor physical health10.3%
No health insurance11.6%
Visited doctor (checkup)73.4%
Visited dentist63.4%
Cholesterol screening88.6%
Teeth loss13.9%

Veterans & disability

VeteransCount%
Civilian veterans2,4228.4%
Disability%
Any disability11.3%
Under 185.4%
18–64 years8.1%
65 and over30.3%

Health insurance coverage

Type%
Private insurance74.2%
Public insurance33.7%
No insurance4.1%
Uninsured under 192.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only35,79894.9%
Spanish8632.4%
Other Indo-European570.2%
Asian & Pacific Islander2620.7%
Other languages5441.5%

Place of birth & citizenship

OriginCount%
Native born (US)36,03795.6%
Born in same state35,78694.9%
Born in different state28,98776.9%
Foreign born2510.7%
Naturalized citizen1,6774.4%
Not a US citizen81348.5%

Ancestry

AncestryCount%
Italian4,53512%
French4,40811.7%
Arab2,6327%
English5571.5%
Irish1220.3%
AncestryCount%
German800.2%
Norwegian780.2%
Polish730.2%
Dutch180%

Technology access

Metric% of households
Computer access39.6%
Internet access93.7%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 45373

What city is ZIP code 45373 in?

ZIP code 45373 is primarily assigned to Troy, Ohio.

What county is ZIP code 45373 in?

ZIP code 45373 falls within Miami County, Ohio.

What is the population of ZIP code 45373?

ZIP code 45373 has an estimated population of 37,714 residents, with a density of 430 people per square mile.

What is the typical home value in ZIP code 45373?

The median home value in ZIP code 45373 is $212,400.

What is the median household income in ZIP code 45373?

The median household income in ZIP code 45373 is $77,348, above the national median of ~$75,000.

What timezone is ZIP code 45373 in?

ZIP code 45373 observes the EST timezone.

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