Plymouth ZIP Codes — Marshall County, IN

There is one unique ZIP code in Plymouth, Indiana and it is 46563. Area code: 574.

ZIP codes

153.14

sq mi land

1.77

sq mi water

574

area code

Plymouth, IN ZIP code map

About Plymouth, IN

Plymouth, Indiana, is a charming city located in the northern part of the state. It serves as the county seat of Marshall County and boasts a rich history and vibrant community spirit. With its unique blend of small-town charm and modern amenities, Plymouth offers residents and visitors a delightful experience.

Location & geography

Plymouth is strategically located in Indiana, positioned about 25 miles south of South Bend and 35 miles north of Fort Wayne. The city covers a land area of 153.14 square miles and features a water area of 1.77 square miles, contributing to its picturesque landscapes. The surrounding terrain is characterized by a mix of rural and suburban areas, making it ideal for outdoor activities.

Community & economy

The character of Plymouth is marked by its strong community ties and active participation in local events. The local economy thrives on various industries, including manufacturing, agriculture, and retail, contributing to the city’s overall prosperity. Daily life in Plymouth is enriched by community gatherings, parks, and a range of recreational opportunities.

Transportation

Plymouth is conveniently accessible via major highways, with U.S. Route 30 and State Road 17 running through the area. The nearest airport is South Bend International Airport, located approximately 30 miles to the north. Public transit options are limited, making personal vehicles the primary mode of transportation for residents.

History

Plymouth was founded in the early 19th century and has since developed into a key hub in Marshall County. The city’s economy was historically supported by agriculture and manufacturing, with significant growth during the industrial revolution. Notable events such as local festivals and fairs celebrate the city’s heritage and foster community pride.

Did you know?

One surprising fact about Plymouth is that it is home to the annual Blueberry Festival, which attracts visitors from all over the region. Additionally, the city hosts several historic landmarks that reflect its rich past and commitment to preserving its heritage.

ZIP codes for Plymouth, IN (1)

ZIP code	City	County	Map
46563	Plymouth	Marshall	View map

Demographics & statistics

23,675

Population

39.9

Median age

$66,150

Median household income

$32,790

Per capita income

$167,000

Median home value

$908

Median monthly rent

75.0%

Home ownership

11.7%

Poverty rate

3.9%

Unemployment

7,806

Housing units

19.8%

Bachelor's or higher

Age distribution

Male Female

895

Under 5

856

714

5–9

683

747

10–14

714

909

15–19

869

698

20–24

667

1,354

25–34

1,294

1,416

35–44

1,353

1,520

45–54

1,454

749

55–59

716

927

60–64

886

1,205

65–74

1,152

578

75–84

553

392

85+

374

← Male

Female →

Age summary

Group	Count	%
Under 18	5,790	24.5%
18 and over	17,885	75.5%
65 and over	4,254	18.0%
Median age	39.9 years

Race & ethnicity

White 85.5%

Hispanic or Latino 5.6%

Other race 4.1%

Two or more races 3.1%

Black or African American 1%

American Indian / Alaska Native 0.3%

Asian 0.2%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
White	21,445	85.5%
Hispanic or Latino	1,413	5.6%
Other race	1,033	4.1%
Two or more races	782	3.1%
Black or African American	263	1%
American Indian / Alaska Native	75	0.3%
Asian	55	0.2%
Native Hawaiian / Pacific Islander	22	0.1%

Household income

Under $10k 4.2%

$10k–$15k 3.6%

$15k–$25k 6.6%

$25k–$35k 7.9%

$35k–$50k 16.4%

$50k–$75k 16.3%

$75k–$100k 17.6%

$100k–$150k 16.4%

$150k–$200k 6.9%

$200k+ 4.0%

Range	% of households
Under $10k	4.2%
$10k–$15k	3.6%
$15k–$25k	6.6%
$25k–$35k	7.9%
$35k–$50k	16.4%
$50k–$75k	16.3%
$75k–$100k	17.6%
$100k–$150k	16.4%
$150k–$200k	6.9%
$200k+	4.0%
Median income	$66,150

Housing

Home values

Under $50k 5.4%

$50k–$100k 15.4%

$100k–$150k 22.4%

$150k–$200k 18.7%

$200k–$300k 22.8%

$300k–$500k 14.1%

$500k–$1M 1.2%

$1M+ 0.1%

Housing overview

Metric	Value
Median home value	$167,000
Median rent / month	$908
Owner occupied	75.0%
Renter occupied	25.0%
Vacant	13.1%
Single-family detached	76.3%
Large apartment buildings	2.2%
Mobile homes	10.8%
Median rooms	6.0
Avg household size (owned)	2.74

Year built

Era	%
2020 or later	0.1%
2010–2019	4.3%
2000–2009	11.3%
1990–1999	17.4%
1980–1989	10.9%
1970–1979	14.7%
1960–1969	7.5%
1950–1959	9.2%
1940–1949	4.6%
1939 or earlier	20.0%

Bedrooms

Size	% of units
No bedroom (studio)	1.3%
1 bedroom	8.9%
2 bedrooms	20.5%
3 bedrooms	51.3%
4 bedrooms	13.6%
5+ bedrooms	4.3%

Vehicles per household

Vehicles	% of households
No vehicle	4.7%
1 vehicle	27.9%
2 vehicles	40.0%
3 or more	27.5%

Heating fuel

Fuel type	%
Utility gas	74.5%
Electricity	12.1%
Propane / LP gas	8.3%
Fuel oil	0.3%
Wood	3.9%

Households & families

Household type	Count	%
Married-couple family	4,536	52.4%
Cohabiting couple	688	7.9%
Male householder, no spouse	1,475	17.0%
Female householder, no spouse	1,958	22.6%
Households with children under 18	3,015	34.8%
Households with seniors (65+)	2,798	32.3%
Average household size	2.66

Marital status

Status	Male	Female
Never married	32.4%	25.1%
Married	50.3%	48.7%
Separated	1.2%	1.5%
Widowed	2.7%	8.9%
Divorced	13.4%	15.7%

Education

Less than 9th grade 4.5%

Some HS, no diploma 9.1%

HS graduate 39.2%

Some college, no degree 19.1%

Associate's degree 8.2%

Bachelor's degree 12.4%

Graduate / professional 7.5%

Metric	%
HS diploma or higher	86.4%
Bachelor's or higher	19.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	548	10.0%
Kindergarten	178	3.2%
Elementary school	2,321	42.3%
High school	1,479	27.0%
College / grad school	961	17.5%

Employment

Industry of employment

Manufacturing 32.1%

Education & healthcare 19.0%

Construction 9.7%

Retail trade 7.4%

Professional & management 6.2%

Transportation & utilities 5.4%

Arts, food & hospitality 5.2%

Other services 4.5%

Finance & real estate 3.5%

Public administration 2.8%

Wholesale trade 1.7%

Agriculture & mining 1.5%

Information 1.0%

Occupation

Category	%
Management, business & arts	25.5%
Service	11.7%
Sales & office	18.2%
Natural resources & construction	14.2%
Production & transportation	30.4%

Employment type

Type	%
Private sector	87.1%
Government	8.2%
Self-employed	4.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	81.0%
Carpool	11.9%
Public transit	0.1%
Walk	1.6%
Other means	2.0%
Avg commute (minutes)	23.5

Poverty

All people 11.7%

Under 18 years 14.7%

18 and over 10.7%

Married-couple families 4.5%

Female-led households 28.4%

Income support

Source	% of households
Social Security	35.0%
Retirement income	22.8%
Supplemental Security	5.5%
Cash public assistance	1.2%
Food stamps / SNAP	7.0%

Health indicators

Condition	%
High blood pressure	36.2%
High cholesterol	33.4%
Heart disease	7.6%
Stroke	3.6%
Asthma	10.3%
Arthritis	27.2%
Kidney disease	3.3%
Pulmonary disease	9.5%
Cancer	7.0%

Behavior / access	%
Binge drinking	15.1%
No physical activity	28.8%
Less than 7 hrs sleep	34.6%
Fair or poor health	18.4%
Poor mental health	15.9%
Poor physical health	12.7%
No health insurance	15.7%
Visited doctor (checkup)	74.1%
Visited dentist	57.1%
Cholesterol screening	88.0%
Teeth loss	18.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,315	7.4%

Disability	%
Any disability	13.1%
Under 18	8.9%
18–64 years	9.5%
65 and over	31.0%

Health insurance coverage

Type	%
Private insurance	67.4%
Public insurance	33.8%
Uninsured under 19	7.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	21,924	92.6%
Spanish	928	4.2%
Other Indo-European	894	4.1%
Asian & Pacific Islander	25	0.1%
Other languages	9	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	22,032	93.1%
Born in same state	21,830	92.2%
Born in different state	17,908	75.6%
Foreign born	202	0.9%
Naturalized citizen	1,643	6.9%
Not a US citizen	476	29.0%

Ancestry

Ancestry	Count	%
French	1,802	7.6%
Italian	1,503	6.3%
Arab	1,309	5.5%
English	347	1.5%

Ancestry	Count	%
Polish	160	0.7%
Irish	103	0.4%
Dutch	8	0%
German	6	0%

Technology access

Metric	% of households
Computer access	36.6%
Internet access	89.0%

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

Frequently asked questions

What ZIP codes does Plymouth, IN have?

Plymouth, IN has one ZIP code: 46563. Each ZIP code serves a distinct delivery area within the city and surrounding region.