New Madison ZIP Codes — Darke County, OH

There is one unique ZIP code in New Madison, Ohio and it is 45346. Area code: 937.

ZIP codes

40.16

sq mi land

0.06

sq mi water

937

area code

New Madison, OH ZIP code map

About New Madison, OH

New Madison, Ohio, is a charming small town located in the heart of Darke County. Known for its tight-knit community and picturesque landscapes, it offers a welcoming atmosphere for both residents and visitors. With a rich history and a commitment to preserving small-town charm, New Madison is a unique part of Ohio's tapestry.

Location & geography

New Madison is situated in west-central Ohio, approximately 15 miles northeast of Greenville and 10 miles southwest of Union City. The town covers a land area of 40.16 square miles, with a small water area of 0.06 square miles, which highlights its predominantly rural terrain. The scenic setting is characterized by rolling hills and farmland, making it a peaceful place to live and visit.

Community & economy

The character of New Madison is marked by its friendly residents and strong community spirit. The local economy is supported by agriculture and other small businesses, creating a vibrant environment for daily life. Community events and gatherings play a major role in fostering connections among residents and celebrating the town's heritage.

Transportation

New Madison is conveniently accessible via several highways, including U.S. Route 36, which connects to larger cities in the region. The nearest named airport serving the area is Darke County Airport, located just a few miles away, offering more extensive travel options. Public transportation options are limited, encouraging a close-knit community atmosphere.

History

New Madison was founded in the early 19th century and has grown steadily over the years while retaining its rural charm. Key industries have included agriculture, which remains a vital part of the local economy today. Notably, the town has an annual celebration that showcases its history and community pride, drawing visitors from the surrounding areas.

Did you know?

A surprising fact about New Madison is that it has a rich agricultural heritage that is celebrated with local festivals throughout the year. Additionally, the town is home to several historical landmarks that highlight its founding and development over the decades.

ZIP codes for New Madison, OH (1)

ZIP code	City	County	Map
45346	New Madison	Darke	View map

Demographics & statistics

2,134

Population

49.2

Median age

$74,886

Median household income

$31,720

Per capita income

$151,700

Median home value

$858

Median monthly rent

75.0%

Home ownership

7.2%

Poverty rate

1.1%

Unemployment

711

Housing units

15.5%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

111

25–34

107

35–44

198

45–54

192

131

55–59

127

60–64

120

65–74

116

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	518	24.3%
18 and over	1,616	75.7%
65 and over	395	18.5%
Median age	49.2 years

Race & ethnicity

White 97.1%

Asian 1.8%

Two or more races 0.9%

Hispanic or Latino 0.2%

Group	Count	%
White	2,077	97.1%
Asian	38	1.8%
Two or more races	19	0.9%
Hispanic or Latino	5	0.2%

Household income

Under $10k 1.7%

$10k–$15k 2.1%

$15k–$25k 4.5%

$25k–$35k 6.1%

$35k–$50k 12.6%

$50k–$75k 23.2%

$75k–$100k 26.2%

$100k–$150k 20.0%

$150k–$200k 2.6%

$200k+ 1.1%

Range	% of households
Under $10k	1.7%
$10k–$15k	2.1%
$15k–$25k	4.5%
$25k–$35k	6.1%
$35k–$50k	12.6%
$50k–$75k	23.2%
$75k–$100k	26.2%
$100k–$150k	20.0%
$150k–$200k	2.6%
$200k+	1.1%
Median income	$74,886

Housing

Home values

Under $50k 5.6%

$50k–$100k 25.0%

$100k–$150k 18.3%

$150k–$200k 17.8%

$200k–$300k 22.6%

$300k–$500k 10.1%

$1M+ 0.6%

Housing overview

Metric	Value
Median home value	$151,700
Median rent / month	$858
Owner occupied	75.0%
Renter occupied	25.0%
Vacant	5.9%
Single-family detached	97.6%
Large apartment buildings	0.0%
Mobile homes	1.1%
Median rooms	6.1
Avg household size (owned)	2.34

Year built

Era	%
2020 or later	0.0%
2010–2019	1.4%
2000–2009	2.5%
1990–1999	9.5%
1980–1989	6.7%
1970–1979	15.9%
1960–1969	6.9%
1950–1959	13.2%
1940–1949	6.8%
1939 or earlier	37.2%

Bedrooms

Size	% of units
No bedroom (studio)	1.8%
1 bedroom	2.8%
2 bedrooms	23.1%
3 bedrooms	53.2%
4 bedrooms	13.8%
5+ bedrooms	5.3%

Vehicles per household

Vehicles	% of households
No vehicle	1.3%
1 vehicle	23.9%
2 vehicles	44.2%
3 or more	30.6%

Heating fuel

Fuel type	%
Utility gas	37.9%
Electricity	23.3%
Propane / LP gas	30.5%
Fuel oil	1.6%
Wood	4.5%
No fuel used	1.4%

Households & families

Household type	Count	%
Married-couple family	593	67.8%
Cohabiting couple	50	5.7%
Male householder, no spouse	87	9.9%
Female householder, no spouse	145	16.6%
Households with children under 18	248	28.3%
Households with seniors (65+)	279	31.9%
Average household size	2.44

Marital status

Status	Male	Female
Never married	19.7%	19.7%
Married	69.3%	65.0%
Separated	1.0%	1.2%
Widowed	2.9%	9.1%
Divorced	7.0%	5.0%

Education

Less than 9th grade 3.8%

Some HS, no diploma 6.8%

HS graduate 46.0%

Some college, no degree 17.3%

Associate's degree 10.6%

Bachelor's degree 12.2%

Graduate / professional 3.4%

Metric	%
HS diploma or higher	89.4%
Bachelor's or higher	15.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	23	5.1%
Kindergarten	29	6.4%
Elementary school	260	57.1%
High school	125	27.5%
College / grad school	18	4.0%

Employment

Industry of employment

Manufacturing 25.5%

Education & healthcare 18.0%

Retail trade 13.5%

Other services 7.5%

Transportation & utilities 7.0%

Professional & management 6.8%

Construction 6.2%

Public administration 5.6%

Arts, food & hospitality 4.9%

Agriculture & mining 2.9%

Finance & real estate 1.5%

Information 0.7%

Occupation

Category	%
Management, business & arts	31.3%
Service	8.4%
Sales & office	24.1%
Natural resources & construction	8.1%
Production & transportation	28.2%

Employment type

Type	%
Private sector	79.8%
Government	13.0%
Self-employed	5.9%
Unpaid family workers	1.3%

Commute

Method	%
Drive alone	74.6%
Carpool	14.5%
Public transit	0.0%
Walk	1.8%
Other means	0.9%
Avg commute (minutes)	27.8

Poverty

All people 7.2%

Under 18 years 12.5%

18 and over 5.4%

Married-couple families 2.0%

Female-led households 44.7%

Income support

Source	% of households
Social Security	33.3%
Retirement income	29.8%
Supplemental Security	3.8%
Cash public assistance	0.3%
Food stamps / SNAP	2.6%

Health indicators

Condition	%
High blood pressure	34.4%
High cholesterol	33.3%
Heart disease	7.5%
Stroke	3.5%
Asthma	10.5%
Arthritis	28.5%
Kidney disease	3.0%
Pulmonary disease	9.9%
Cancer	6.8%

Behavior / access	%
Binge drinking	17.7%
No physical activity	28.5%
Less than 7 hrs sleep	37.3%
Fair or poor health	16.8%
Poor mental health	17.4%
Poor physical health	11.9%
No health insurance	12.9%
Visited doctor (checkup)	76.9%
Visited dentist	58.6%
Cholesterol screening	87.6%
Teeth loss	17.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	105	6.5%

Disability	%
Any disability	11.8%
Under 18	12.7%
18–64 years	10.4%
65 and over	14.7%

Health insurance coverage

Type	%
Private insurance	74.0%
Public insurance	41.7%
Uninsured under 19	3.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,053	96.2%
Spanish	85	4.1%
Other Indo-European	3	0.1%
Asian & Pacific Islander	1	0.0%
Other languages	38	1.9%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,093	98.1%
Born in same state	2,089	97.9%
Born in different state	1,734	81.3%
Foreign born	4	0.2%
Naturalized citizen	41	1.9%
Not a US citizen	38	92.7%

Ancestry

Ancestry	Count	%
Arab	304	14.2%
French	221	10.4%

Ancestry	Count	%
Italian	114	5.3%
English	27	1.3%

Technology access

Metric	% of households
Computer access	41.0%
Internet access	97.5%

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

Frequently asked questions

What ZIP codes does New Madison, OH have?

New Madison, OH has one ZIP code: 45346. Each ZIP code serves a distinct delivery area within the city and surrounding region.