45115 ZIP Code — Decatur, OH

Brown County, Ohio

ZIP code 45115 is located in Decatur, Ohio, within Brown County. It covers approximately 4.52 square miles and serves a population of 223 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 326/937.

About ZIP code 45115

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 $98,700. Owner-occupancy is high at 75%, well above the national average.

Median household income is $46,304. 33% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is production, transportation, and material moving, with arts, entertainment, and food service as the leading industry.

Educational attainment is near the national average, with 31% of residents holding a bachelor's degree or higher.

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

Overall, ZIP code 45115 reflects a community defined by high homeownership and a significant Social Security-dependent population.

223

population

4.52

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

45115 ZIP code map

Cities in ZIP code 45115

Below are the cities the US Postal Service accepts for ZIP code 45115. Using any city not on this list may result in mail delivery delays.

City	Status
Decatur	Acceptable

Demographics updated 05/2026

Population
Total population	223
Population density	49 / sq mi
State FIPS	39
County FIPS	015

Geography
Land area	4.52 sq mi
Water area	0.00 sq mi
Latitude	38.8149
Longitude	-83.7043
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	19.6%	44.4%	43.3%
$50k – $100k	80.4%	35.2%	31.4%
$100k – $200k	0.0%	18.1%	20.0%
Over $200k	0.0%	2.3%	5.2%

Demographics & statistics

223

Population

People per sq mi

48.1

Median age

$46,304

Median household income

$27,658

Per capita income

$98,700

Median home value

Median monthly rent

75.4%

Home ownership

9.9%

Poverty rate

0.0%

Unemployment

Housing units

31.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

25–34

35–44

45–54

55–59

60–64

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	51	22.9%
18 and over	172	77.1%
65 and over	32	14.3%
Median age	48.1 years

Race & ethnicity

White 100%

Group	Count	%
White	223	100%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	19.6%	44.4%	43.3%
$50k – $100k	80.4%	35.2%	31.4%
$100k – $200k	0.0%	18.1%	20.0%
Over $200k	0.0%	2.3%	5.2%

$10k–$15k 19.3%

$35k–$50k 40.4%

$50k–$75k 7.0%

$75k–$100k 33.3%

Range	% of households
$10k–$15k	19.3%
$35k–$50k	40.4%
$50k–$75k	7.0%
$75k–$100k	33.3%
Median income	$46,304

Housing

Home values

$50k–$100k 55.8%

$100k–$150k 26.7%

$500k–$1M 9.3%

$1M+ 8.1%

Housing overview

Metric	Value
Median home value	$98,700
Median rent / month	$0
Owner occupied	75.4%
Renter occupied	24.6%
Vacant	0.0%
Single-family detached	94.7%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	6.2
Avg household size (owned)	2.00

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	0.0%
1990–1999	0.0%
1980–1989	0.0%
1970–1979	19.3%
1960–1969	0.0%
1950–1959	0.0%
1940–1949	0.0%
1939 or earlier	80.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	28.1%
3 bedrooms	65.8%
4 bedrooms	6.1%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	19.3%
1 vehicle	44.7%
2 vehicles	27.2%
3 or more	8.8%

Heating fuel

Fuel type	%
Electricity	58.8%
Propane / LP gas	21.9%

Households & families

Household type	Count	%
Married-couple family	48	42.1%
Cohabiting couple	0	0.0%
Male householder, no spouse	60	52.6%
Female householder, no spouse	6	5.3%
Households with children under 18	29	25.4%
Households with seniors (65+)	15	13.2%
Average household size	1.96

Marital status

Status	Male	Female
Never married	55.0%	0.0%
Married	45.0%	90.5%
Separated	0.0%	0.0%
Widowed	0.0%	0.0%
Divorced	0.0%	9.5%

Education

Less than 9th grade 0.0%

Some HS, no diploma 22.1%

HS graduate 15.7%

Some college, no degree 27.3%

Associate's degree 3.5%

Bachelor's degree 31.4%

Graduate / professional 0.0%

Metric	%
HS diploma or higher	77.9%
Bachelor's or higher	31.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	8	10.4%
Kindergarten	0	0.0%
Elementary school	15	19.5%
High school	0	0.0%
College / grad school	54	70.1%

Employment

Industry of employment

Transportation & utilities 35.2%

Arts, food & hospitality 28.7%

Education & healthcare 26.9%

Retail trade 9.3%

Occupation

Category	%
Management, business & arts	26.9%
Service	28.7%
Sales & office	9.3%
Natural resources & construction	0.0%
Production & transportation	35.2%

Employment type

Type	%
Private sector	100.0%
Government	0.0%
Self-employed	0.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	100.0%
Carpool	0.0%
Public transit	0.0%
Walk	0.0%
Work from home	0.0%
Other means	0.0%
Avg commute (minutes)	0.0

Poverty

All people 9.9%

Under 18 years 0.0%

18 and over 12.8%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	32.5%
Retirement income	15.8%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	37.3%
High blood pressure	39.6%
High cholesterol	35.0%
Diabetes	13.7%
Heart disease	9.6%
Stroke	4.5%
Asthma	10.6%
Arthritis	33.3%
Kidney disease	3.9%
Pulmonary disease	12.2%
Cancer	7.9%

Behavior / access	%
Smoking	25.8%
Binge drinking	15.4%
No physical activity	32.1%
Less than 7 hrs sleep	37.4%
Depression	24.6%
Fair or poor health	20.5%
Poor mental health	17.6%
Poor physical health	13.4%
No health insurance	14.0%
Visited doctor (checkup)	77.3%
Visited dentist	54.2%
Cholesterol screening	86.4%
Teeth loss	22.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	16	9.3%

Disability	%
Any disability	6.7%
Under 18	9.8%
18–64 years	7.1%
65 and over	0.0%

Health insurance coverage

Type	%
Private insurance	81.2%
Public insurance	25.6%
No insurance	4.5%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	187	83.9%
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)	223	100.0%
Born in same state	223	100.0%
Born in different state	163	73.1%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	37	16.6%
French	19	8.5%

Ancestry	Count	%
Arab	8	3.6%

Technology access

Metric	% of households
Computer access	51.1%
Internet access	41.2%

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

Frequently asked questions about ZIP code 45115

What city is ZIP code 45115 in?

ZIP code 45115 is primarily assigned to Decatur, Ohio.

What county is ZIP code 45115 in?

ZIP code 45115 falls within Brown County, Ohio.

What is the typical home value in ZIP code 45115?

The median home value in ZIP code 45115 is $98,700.

Does ZIP code 45115 have a large veteran population?

9% of civilians in ZIP code 45115 are veterans, above the national average of ~7%.

What is the median household income in ZIP code 45115?

The median household income in ZIP code 45115 is $46,304, below the national median of ~$75,000.

What is the population of ZIP code 45115?

ZIP code 45115 has an estimated population of 223 residents, with a density of 49 people per square mile.

What timezone is ZIP code 45115 in?

ZIP code 45115 observes the EST timezone.