45146 ZIP Code — Martinsville, OH

Clinton County, Ohio

ZIP code 45146 is located in Martinsville, Ohio, within Clinton County. It covers approximately 25.89 square miles and serves a population of 1,063 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 937.

About ZIP code 45146

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $150,000. Owner-occupancy is high at 83%, well above the national average.

Median household income is $70,625. The poverty rate of 7% is below the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 38 minutes suggests many residents work outside the immediate area.

College attainment at 16% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (26%) compared to national benchmarks.

Notable community characteristics include a notable veteran presence at 12% of civilians, above the national average of 7%.

Overall, ZIP code 45146 reflects a community defined by a trades-oriented workforce, a strong veteran community, and high homeownership.

1,063

population

25.89

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

45146 ZIP code map

Cities in ZIP code 45146

Below are the cities the US Postal Service accepts for ZIP code 45146. Using any city not on this list may result in mail delivery delays.

City	Status
Martinsville	Preferred

Nearby ZIP codes

45159 New Vienna (5.5 mi) 45142 Lynchburg (8 mi) 45107 Blanchester (9 mi) 45177 Wilmington (9.7 mi) 45113 Clarksville (11.9 mi) 45118 Fayetteville (12.3 mi) 45135 Leesburg (12.9 mi) 45169 Sabina (14 mi) 45162 Pleasant Plain (15.4 mi) 45133 Hillsboro (15.6 mi) 45152 Morrow (17.3 mi) 45122 Goshen (17.8 mi)

Demographics updated 05/2026

Population
Total population	1,063
Population density	41 / sq mi
State FIPS	39
County FIPS	027

Geography
Land area	25.89 sq mi
Water area	0.08 sq mi
Latitude	39.3146
Longitude	-83.7921
Timezone	Eastern (ET)
Area code	937

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	29.8%	43.6%	43.3%
$50k – $100k	36.3%	33.9%	31.4%
$100k – $200k	31.0%	19.7%	20.0%
Over $200k	2.9%	2.9%	5.2%

Demographics & statistics

1,063

Population

People per sq mi

46.5

Median age

$70,625

Median household income

$37,041

Per capita income

$150,000

Median home value

$1,023

Median monthly rent

83.4%

Home ownership

7.2%

Poverty rate

5.3%

Unemployment

378

Housing units

16.1%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

140

45–54

113

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	210	19.8%
18 and over	853	80.2%
65 and over	143	13.5%
Median age	46.5 years

Race & ethnicity

White 97.1%

Two or more races 2.1%

Hispanic or Latino 0.7%

Other race 0.2%

Group	Count	%
White	1,039	97.1%
Two or more races	22	2.1%
Hispanic or Latino	7	0.7%
Other race	2	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	29.8%	43.6%	43.3%
$50k – $100k	36.3%	33.9%	31.4%
$100k – $200k	31.0%	19.7%	20.0%
Over $200k	2.9%	2.9%	5.2%

Under $10k 1.5%

$10k–$15k 4.6%

$15k–$25k 10.7%

$25k–$35k 16.1%

$35k–$50k 6.8%

$50k–$75k 14.6%

$75k–$100k 5.6%

$100k–$150k 17.6%

$150k–$200k 14.9%

$200k+ 7.6%

Range	% of households
Under $10k	1.5%
$10k–$15k	4.6%
$15k–$25k	10.7%
$25k–$35k	16.1%
$35k–$50k	6.8%
$50k–$75k	14.6%
$75k–$100k	5.6%
$100k–$150k	17.6%
$150k–$200k	14.9%
$200k+	7.6%
Median income	$70,625

Housing

Home values

Under $50k 9.4%

$50k–$100k 20.8%

$100k–$150k 19.9%

$150k–$200k 16.4%

$200k–$300k 22.5%

$300k–$500k 11.1%

Housing overview

Metric	Value
Median home value	$150,000
Median rent / month	$1,023
Owner occupied	83.4%
Renter occupied	16.6%
Vacant	8.1%
Single-family detached	90.8%
Large apartment buildings	0.0%
Mobile homes	9.0%
Median rooms	6.3
Avg household size (owned)	2.54

Year built

Era	%
2020 or later	0.0%
2010–2019	3.8%
2000–2009	19.1%
1990–1999	8.1%
1980–1989	7.0%
1970–1979	7.6%
1960–1969	2.7%
1950–1959	7.2%
1940–1949	7.6%
1939 or earlier	37.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	3.6%
2 bedrooms	14.8%
3 bedrooms	51.3%
4 bedrooms	26.5%
5+ bedrooms	3.8%

Vehicles per household

Vehicles	% of households
No vehicle	0.7%
1 vehicle	18.5%
2 vehicles	42.0%
3 or more	38.8%

Heating fuel

Fuel type	%
Utility gas	2.2%
Electricity	52.2%
Propane / LP gas	14.4%
Fuel oil	15.4%
Wood	6.1%

Households & families

Household type	Count	%
Married-couple family	227	55.4%
Cohabiting couple	47	11.5%
Male householder, no spouse	73	17.8%
Female householder, no spouse	63	15.4%
Households with children under 18	100	24.4%
Households with seniors (65+)	114	27.8%
Average household size	2.59

Marital status

Status	Male	Female
Never married	25.7%	14.5%
Married	48.1%	55.4%
Separated	0.4%	0.3%
Widowed	6.5%	11.0%
Divorced	19.2%	18.9%

Education

Less than 9th grade 1.9%

Some HS, no diploma 8.4%

HS graduate 37.4%

Some college, no degree 27.8%

Associate's degree 8.3%

Bachelor's degree 14.0%

Graduate / professional 2.1%

Metric	%
HS diploma or higher	89.7%
Bachelor's or higher	16.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	10	5.3%
Kindergarten	3	1.6%
Elementary school	123	65.1%
High school	29	15.3%
College / grad school	24	12.7%

Employment

Industry of employment

Transportation & utilities 20.9%

Education & healthcare 18.7%

Manufacturing 12.4%

Construction 9.9%

Public administration 9.4%

Arts, food & hospitality 7.2%

Agriculture & mining 6.5%

Retail trade 5.8%

Professional & management 4.0%

Other services 2.8%

Finance & real estate 1.6%

Wholesale trade 0.9%

Occupation

Category	%
Management, business & arts	29.8%
Service	18.3%
Sales & office	10.6%
Natural resources & construction	15.9%
Production & transportation	25.3%

Employment type

Type	%
Private sector	71.0%
Government	18.2%
Self-employed	10.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	78.5%
Carpool	9.5%
Public transit	0.0%
Walk	6.5%
Work from home	5.6%
Other means	0.0%
Avg commute (minutes)	37.5

Poverty

All people 7.2%

Under 18 years 5.9%

18 and over 7.5%

Married-couple families 0.0%

Female-led households 13.3%

Income support

Source	% of households
Social Security	24.1%
Retirement income	26.6%
Supplemental Security	1.5%
Cash public assistance	2.4%
Food stamps / SNAP	10.2%

Health indicators

Condition	%
Obesity	38.7%
High blood pressure	32.8%
High cholesterol	31.9%
Diabetes	11.1%
Heart disease	6.9%
Stroke	3.1%
Asthma	10.6%
Arthritis	28.4%
Kidney disease	2.8%
Pulmonary disease	9.3%
Cancer	6.2%

Behavior / access	%
Smoking	26.0%
Binge drinking	18.7%
No physical activity	27.3%
Less than 7 hrs sleep	38.1%
Depression	25.3%
Fair or poor health	16.1%
Poor mental health	17.1%
Poor physical health	11.4%
No health insurance	12.7%
Visited doctor (checkup)	74.3%
Visited dentist	59.1%
Cholesterol screening	87.3%
Teeth loss	16.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	103	12.1%

Disability	%
Any disability	16.0%
Under 18	3.3%
18–64 years	14.8%
65 and over	40.6%

Health insurance coverage

Type	%
Private insurance	66.6%
Public insurance	37.7%
No insurance	8.8%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,010	95.0%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,061	99.8%
Born in same state	1,059	99.6%
Born in different state	913	85.9%
Foreign born	2	0.2%
Naturalized citizen	2	0.2%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	225	21.2%
Italian	175	16.5%
Arab	93	8.7%

Ancestry	Count	%
Irish	27	2.5%
English	9	0.8%

Technology access

Metric	% of households
Computer access	38.6%
Internet access	92.7%

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

Frequently asked questions about ZIP code 45146

What city is ZIP code 45146 in?

ZIP code 45146 is primarily assigned to Martinsville, Ohio.

What county is ZIP code 45146 in?

ZIP code 45146 falls within Clinton County, Ohio.

Is ZIP code 45146 mostly owner-occupied?

83% of occupied units in ZIP code 45146 are owner-occupied, well above the national average.

Does ZIP code 45146 have a large veteran population?

12% of civilians in ZIP code 45146 are veterans, above the national average of ~7%.

What is the typical home value in ZIP code 45146?

The median home value in ZIP code 45146 is $150,000.

What is the population of ZIP code 45146?

ZIP code 45146 has an estimated population of 1,063 residents, with a density of 41 people per square mile.

What timezone is ZIP code 45146 in?

ZIP code 45146 observes the EST timezone.