Delphi ZIP Codes — Carroll County, IN

There is one unique ZIP code in Delphi, Indiana and it is 46923. Area code: 765/574.

ZIP codes

134.93

sq mi land

1.05

sq mi water

765/574

area code

Delphi, IN ZIP code map

About Delphi, IN

Delphi, Indiana, is a charming city located in Carroll County, characterized by its rich history and vibrant community. Known for its picturesque landscapes and a commitment to preserving local history, Delphi serves as the county seat. The city offers a unique blend of small-town charm and access to modern amenities.

Location & geography

Delphi is situated in the north-central region of Indiana, approximately 45 miles northwest of Indianapolis. The city is bordered by several other communities, including Flora, which is about 12 miles to the south, and Lafayette, located 21 miles to the east. Covering a total area of 134.93 square miles, Delphi includes 1.05 square miles of water, providing a mix of land and aquatic environments.

Community & economy

The character of Delphi is deeply rooted in its history and community engagement, with a focus on preserving local traditions. The economy largely revolves around agriculture and small businesses, which contribute to the community's stability and growth. Daily life in Delphi is characterized by friendly interactions, local events, and a strong sense of community pride among residents.

Transportation

Delphi is conveniently accessed via Indiana State Road 25, which runs north to south through the city, and U.S. Route 421, providing connections to neighboring towns and cities. The nearest major airport is in Lafayette, which is approximately 21 miles away, facilitating both commercial and private air travel. Public transportation options are limited, with a focus on local travel and personal vehicles.

History

Delphi was founded in the early 19th century and became a significant trade center due to its strategic location along the Wabash and Erie Canal. Historically, the city has been known for its agricultural production and the bustling local markets that supported farmers. Notable events in its history include the annual Delphi Historic Canal Days, celebrating the city's rich heritage and connection to the canal.

Did you know?

One surprising fact about Delphi is that it served as a temporary refuge for the famous author Kurt Vonnegut during his childhood, highlighting its significance in American literary history. Additionally, Delphi is known for its unique architecture, including several historic buildings that reflect its storied past.

ZIP codes for Delphi, IN (1)

ZIP code	City	County	Map
46923	Delphi	Carroll	View map

Demographics & statistics

7,846

Population

45.2

Median age

$55,385

Median household income

$31,834

Per capita income

$150,600

Median home value

$885

Median monthly rent

75.0%

Home ownership

9.5%

Poverty rate

3.0%

Unemployment

2,702

Housing units

14.1%

Bachelor's or higher

Age distribution

Male Female

183

Under 5

182

242

5–9

240

230

10–14

228

337

15–19

333

181

20–24

179

299

25–34

296

483

35–44

479

582

45–54

576

258

55–59

255

385

60–64

381

460

65–74

455

209

75–84

206

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,739	22.2%
18 and over	6,107	77.8%
65 and over	1,517	19.3%
Median age	45.2 years

Race & ethnicity

White 92.5%

Hispanic or Latino 3.1%

Two or more races 2.6%

Other race 1.5%

Asian 0.1%

Black or African American 0.1%

Group	Count	%
White	7,488	92.5%
Hispanic or Latino	250	3.1%
Two or more races	212	2.6%
Other race	125	1.5%
Asian	12	0.1%
Black or African American	6	0.1%

Household income

Under $10k 1.9%

$10k–$15k 4.4%

$15k–$25k 6.5%

$25k–$35k 15.6%

$35k–$50k 16.0%

$50k–$75k 18.8%

$75k–$100k 11.2%

$100k–$150k 13.5%

$150k–$200k 5.5%

$200k+ 6.5%

Range	% of households
Under $10k	1.9%
$10k–$15k	4.4%
$15k–$25k	6.5%
$25k–$35k	15.6%
$35k–$50k	16.0%
$50k–$75k	18.8%
$75k–$100k	11.2%
$100k–$150k	13.5%
$150k–$200k	5.5%
$200k+	6.5%
Median income	$55,385

Housing

Home values

Under $50k 8.5%

$50k–$100k 22.9%

$100k–$150k 18.2%

$150k–$200k 22.1%

$200k–$300k 14.4%

$300k–$500k 11.9%

$500k–$1M 1.9%

Housing overview

Metric	Value
Median home value	$150,600
Median rent / month	$885
Owner occupied	75.0%
Renter occupied	25.0%
Vacant	12.3%
Single-family detached	81.3%
Large apartment buildings	0.3%
Mobile homes	8.4%
Median rooms	6.3
Avg household size (owned)	2.56

Year built

Era	%
2020 or later	0.0%
2010–2019	5.1%
2000–2009	9.9%
1990–1999	14.5%
1980–1989	6.3%
1970–1979	14.3%
1960–1969	7.3%
1950–1959	10.3%
1940–1949	3.3%
1939 or earlier	29.0%

Bedrooms

Size	% of units
No bedroom (studio)	1.3%
1 bedroom	8.2%
2 bedrooms	23.5%
3 bedrooms	48.4%
4 bedrooms	14.5%
5+ bedrooms	4.0%

Vehicles per household

Vehicles	% of households
No vehicle	3.6%
1 vehicle	30.1%
2 vehicles	30.9%
3 or more	35.4%

Heating fuel

Fuel type	%
Utility gas	33.3%
Electricity	28.9%
Propane / LP gas	34.5%
Fuel oil	0.1%
Wood	3.2%

Households & families

Household type	Count	%
Married-couple family	1,549	51.1%
Cohabiting couple	139	4.6%
Male householder, no spouse	661	21.8%
Female householder, no spouse	685	22.6%
Households with children under 18	754	24.9%
Households with seniors (65+)	1,032	34.0%
Average household size	2.55

Marital status

Status	Male	Female
Never married	29.1%	21.6%
Married	49.6%	52.0%
Separated	0.4%	1.8%
Widowed	3.8%	8.4%
Divorced	17.1%	16.3%

Education

Less than 9th grade 2.7%

Some HS, no diploma 7.6%

HS graduate 44.3%

Some college, no degree 21.4%

Associate's degree 9.9%

Bachelor's degree 9.5%

Graduate / professional 4.6%

Metric	%
HS diploma or higher	89.7%
Bachelor's or higher	14.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	125	8.4%
Kindergarten	158	10.6%
Elementary school	606	40.5%
High school	392	26.2%
College / grad school	214	14.3%

Employment

Industry of employment

Manufacturing 23.8%

Education & healthcare 20.3%

Construction 10.5%

Other services 10.0%

Arts, food & hospitality 8.8%

Retail trade 6.1%

Professional & management 5.6%

Finance & real estate 4.6%

Agriculture & mining 2.9%

Transportation & utilities 2.5%

Public administration 2.2%

Information 1.7%

Wholesale trade 1.1%

Occupation

Category	%
Management, business & arts	27.0%
Service	17.6%
Sales & office	18.8%
Natural resources & construction	13.0%
Production & transportation	23.7%

Employment type

Type	%
Private sector	81.9%
Government	9.5%
Self-employed	8.4%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	87.5%
Carpool	7.6%
Public transit	0.0%
Walk	1.3%
Other means	0.4%
Avg commute (minutes)	24.6

Poverty

All people 9.5%

Under 18 years 11.7%

18 and over 8.8%

Married-couple families 5.8%

Female-led households 6.4%

Income support

Source	% of households
Social Security	42.3%
Retirement income	24.3%
Supplemental Security	8.7%
Cash public assistance	0.3%
Food stamps / SNAP	5.0%

Health indicators

Condition	%
High blood pressure	35.9%
High cholesterol	34.2%
Heart disease	7.5%
Stroke	3.4%
Asthma	9.9%
Arthritis	27.2%
Kidney disease	3.1%
Pulmonary disease	8.9%
Cancer	7.1%

Behavior / access	%
Binge drinking	16.2%
No physical activity	27.2%
Less than 7 hrs sleep	36.6%
Fair or poor health	16.8%
Poor mental health	15.9%
Poor physical health	11.8%
No health insurance	14.2%
Visited doctor (checkup)	74.1%
Visited dentist	60.2%
Cholesterol screening	88.5%
Teeth loss	18.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	456	7.5%

Disability	%
Any disability	18.2%
Under 18	8.3%
18–64 years	15.3%
65 and over	38.8%

Health insurance coverage

Type	%
Private insurance	66.6%
Public insurance	33.2%
Uninsured under 19	21.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	7,481	95.3%
Spanish	113	1.5%
Other Indo-European	105	1.4%
Asian & Pacific Islander	0	0.0%
Other languages	8	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	7,563	96.4%
Born in same state	7,502	95.6%
Born in different state	6,452	82.2%
Foreign born	61	0.8%
Naturalized citizen	283	3.6%
Not a US citizen	102	36.0%

Ancestry

Ancestry	Count	%
Italian	672	8.6%
Arab	627	8%
French	603	7.7%

Ancestry	Count	%
English	88	1.1%
German	35	0.4%
Polish	32	0.4%

Technology access

Metric	% of households
Computer access	38.7%
Internet access	93.0%

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

Frequently asked questions

What ZIP codes does Delphi, IN have?

Delphi, IN has one ZIP code: 46923. Each ZIP code serves a distinct delivery area within the city and surrounding region.