Decatur ZIP Code List — Adams County, IN

There is one unique ZIP code in Decatur, Indiana and it is 46733. Area code: 260.

ZIP codes

172.43

sq mi land

0.33

sq mi water

260

area code

Decatur, IN ZIP code map

About Decatur, IN

Decatur is a charming city located in the heart of Indiana, serving as the county seat of Adams County. Known for its friendly atmosphere, Decatur offers a variety of recreational activities and a close-knit community feel. The city is a great place for families and individuals seeking a blend of small-town charm and modern conveniences.

Location & geography

Decatur is situated in northeastern Indiana, approximately 30 miles southwest of Fort Wayne and around 20 miles northeast of Van Wert, Ohio. The city covers a total area of 172.43 square miles, with a minor water area of 0.33 square miles. The terrain features a mix of agricultural fields and suburban landscapes, providing both picturesque views and comfortable living.

Community & economy

Decatur has a welcoming character that reflects its historic roots and vibrant local culture. The economy thrives primarily on manufacturing, agriculture, and retail, providing a solid foundation for its residents. Daily life in Decatur often revolves around community events, local schools, and nearby parks which foster a strong sense of belonging.

Transportation

The city is easily accessible via major highways, including U.S. Route 27 and Indiana State Road 124. For air travel, the nearest major airport is Fort Wayne International Airport, located about 30 miles to the north. Public transit options are limited, but local transportation services are available for residents.

History

Decatur was founded in 1836 and has since developed a rich heritage, primarily focused on agriculture and manufacturing industries. Throughout its history, the city has seen notable events such as the establishment of the Adams County Memorial Hospital and various local festivals that celebrate its community spirit. These events reflect the city’s commitment to preserving its history while embracing growth.

Did you know?

One surprising fact about Decatur is that it is home to the annual Adams County Agricultural and Industrial Fair, which showcases the local agricultural heritage and draws visitors from across the region. Additionally, the city is known for its impressive collection of historic buildings that add to its unique charm.

ZIP codes for Decatur, IN (1)

ZIP code	City	County	Map
46733	Decatur	Adams	View map

Demographics & statistics

19,008

Population

41.4

Median age

$62,325

Median household income

$30,482

Per capita income

$157,000

Median home value

$773

Median monthly rent

80.8%

Home ownership

7.9%

Poverty rate

2.9%

Unemployment

6,755

Housing units

16.3%

Bachelor's or higher

Age distribution

Male Female

713

Under 5

680

512

5–9

489

714

10–14

681

632

15–19

603

541

20–24

515

1,120

25–34

1,068

1,036

35–44

987

1,190

45–54

1,134

653

55–59

622

793

60–64

756

1,100

65–74

1,048

374

75–84

357

353

85+

337

← Male

Female →

Age summary

Group	Count	%
Under 18	4,644	24.4%
18 and over	14,364	75.6%
65 and over	3,569	18.8%
Median age	41.4 years

Race & ethnicity

White 91%

Two or more races 3.5%

Hispanic or Latino 3.2%

Other race 1.2%

Black or African American 1%

Asian 0.1%

Group	Count	%
White	17,880	91%
Two or more races	682	3.5%
Hispanic or Latino	634	3.2%
Other race	232	1.2%
Black or African American	195	1%
Asian	10	0.1%

Household income

Under $10k 1.8%

$10k–$15k 2.3%

$15k–$25k 9.1%

$25k–$35k 9.5%

$35k–$50k 16.2%

$50k–$75k 19.6%

$75k–$100k 18.9%

$100k–$150k 16.1%

$150k–$200k 4.3%

$200k+ 2.3%

Range	% of households
Under $10k	1.8%
$10k–$15k	2.3%
$15k–$25k	9.1%
$25k–$35k	9.5%
$35k–$50k	16.2%
$50k–$75k	19.6%
$75k–$100k	18.9%
$100k–$150k	16.1%
$150k–$200k	4.3%
$200k+	2.3%
Median income	$62,325

Housing

Home values

Under $50k 3.6%

$50k–$100k 18.8%

$100k–$150k 24.5%

$150k–$200k 18.5%

$200k–$300k 18.9%

$300k–$500k 13.1%

$500k–$1M 1.8%

$1M+ 0.8%

Housing overview

Metric	Value
Median home value	$157,000
Median rent / month	$773
Owner occupied	80.8%
Renter occupied	19.2%
Vacant	7.8%
Single-family detached	82.8%
Large apartment buildings	2.3%
Mobile homes	2.8%
Median rooms	6.1
Avg household size (owned)	2.64

Year built

Era	%
2020 or later	0.2%
2010–2019	2.7%
2000–2009	7.3%
1990–1999	15.7%
1980–1989	14.4%
1970–1979	11.9%
1960–1969	12.4%
1950–1959	10.9%
1940–1949	4.6%
1939 or earlier	19.9%

Bedrooms

Size	% of units
No bedroom (studio)	1.5%
1 bedroom	5.5%
2 bedrooms	19.6%
3 bedrooms	55.7%
4 bedrooms	14.0%
5+ bedrooms	3.8%

Vehicles per household

Vehicles	% of households
No vehicle	6.5%
1 vehicle	24.9%
2 vehicles	41.9%
3 or more	26.8%

Heating fuel

Fuel type	%
Utility gas	47.9%
Electricity	32.0%
Propane / LP gas	12.7%
Fuel oil	2.8%
Wood	2.2%
Solar	0.2%
No fuel used	0.1%

Households & families

Household type	Count	%
Married-couple family	3,948	52.2%
Cohabiting couple	654	8.6%
Male householder, no spouse	1,445	19.1%
Female householder, no spouse	1,521	20.1%
Households with children under 18	2,255	29.8%
Households with seniors (65+)	2,476	32.7%
Average household size	2.47

Marital status

Status	Male	Female
Never married	25.8%	18.7%
Married	53.3%	55.0%
Separated	1.0%	1.8%
Widowed	6.1%	9.6%
Divorced	13.9%	14.9%

Education

Less than 9th grade 1.9%

Some HS, no diploma 3.5%

HS graduate 48.3%

Some college, no degree 20.0%

Associate's degree 10.0%

Bachelor's degree 12.0%

Graduate / professional 4.4%

Metric	%
HS diploma or higher	94.6%
Bachelor's or higher	16.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	268	6.8%
Kindergarten	290	7.3%
Elementary school	2,003	50.7%
High school	859	21.8%
College / grad school	528	13.4%

Employment

Industry of employment

Manufacturing 28.6%

Education & healthcare 19.0%

Retail trade 9.2%

Professional & management 7.2%

Construction 6.4%

Other services 5.9%

Finance & real estate 5.4%

Arts, food & hospitality 5.4%

Wholesale trade 4.1%

Public administration 3.5%

Transportation & utilities 2.5%

Agriculture & mining 2.2%

Information 0.7%

Occupation

Category	%
Management, business & arts	31.4%
Service	10.4%
Sales & office	21.6%
Natural resources & construction	11.7%
Production & transportation	24.9%

Employment type

Type	%
Private sector	84.6%
Government	9.9%
Self-employed	5.0%
Unpaid family workers	0.5%

Commute

Method	%
Drive alone	84.2%
Carpool	9.7%
Public transit	0.0%
Walk	2.2%
Other means	0.2%
Avg commute (minutes)	21.4

Poverty

All people 7.9%

Under 18 years 7.4%

18 and over 8.1%

Married-couple families 1.9%

Female-led households 12.6%

Income support

Source	% of households
Social Security	39.0%
Retirement income	27.6%
Supplemental Security	4.3%
Cash public assistance	1.5%
Food stamps / SNAP	5.8%

Health indicators

Condition	%
High blood pressure	35.4%
High cholesterol	33.1%
Heart disease	7.2%
Stroke	3.4%
Asthma	10.0%
Arthritis	27.5%
Kidney disease	3.1%
Pulmonary disease	8.8%
Cancer	7.0%

Behavior / access	%
Binge drinking	16.3%
No physical activity	27.0%
Less than 7 hrs sleep	33.9%
Fair or poor health	16.8%
Poor mental health	15.8%
Poor physical health	11.8%
No health insurance	14.1%
Visited doctor (checkup)	73.1%
Visited dentist	63.8%
Cholesterol screening	88.1%
Teeth loss	17.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,030	7.2%

Disability	%
Any disability	13.9%
Under 18	7.3%
18–64 years	9.9%
65 and over	35.7%

Health insurance coverage

Type	%
Private insurance	74.1%
Public insurance	30.9%
Uninsured under 19	15.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	17,615	92.7%
Spanish	160	0.9%
Other Indo-European	3	0.0%
Asian & Pacific Islander	157	0.9%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	18,876	99.3%
Born in same state	18,797	98.9%
Born in different state	15,160	79.8%
Foreign born	79	0.4%
Naturalized citizen	132	0.7%
Not a US citizen	86	65.2%

Ancestry

Ancestry	Count	%
Italian	1,461	7.7%
Arab	1,280	6.7%
French	1,223	6.4%
German	102	0.5%

Ancestry	Count	%
English	90	0.5%
Polish	88	0.5%
Dutch	11	0.1%
Irish	10	0.1%

Technology access

Metric	% of households
Computer access	39.8%
Internet access	85.8%

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

Frequently asked questions

What is the ZIP code for Decatur, IN?

Decatur, IN has one ZIP code: 46733.

What is the main ZIP code for Decatur, IN?

The primary ZIP code for Decatur, IN is 46733. The city uses area code 260 for phone service.

What county is Decatur, IN in?

Decatur is located in Adams County, Indiana.

How many ZIP codes are in Decatur, IN?

Decatur, IN has 1 ZIP code.

What is the ZIP code for downtown Decatur, Indiana?

Downtown Decatur, located in Adams County, uses the ZIP code 46733, which serves the entire city including its central business district along Main Street.

What ZIP code should I use for mailing packages to businesses in Decatur, Indiana?

All businesses and residences in Decatur, Indiana are located in ZIP code 46733, so this is the correct code for all mail addressed to the city.