Saint Ignace ZIP Code List — Mackinac County, MI

There is one unique ZIP code in Saint Ignace, Michigan and it is 49781. Area code: 906.

ZIP codes

81.52

sq mi land

58.12

sq mi water

906

area code

Saint Ignace, MI ZIP code map

About Saint Ignace, MI

Saint Ignace, Michigan, is a charming city located in Mackinac County, known for its picturesque views and rich cultural heritage. Positioned at the northern tip of Michigan's Lower Peninsula, it serves as a gateway to the beautiful Mackinac Island. The city is renowned for its vibrant tourism industry, largely due to its proximity to scenic attractions and outdoor activities.

Location & geography

Saint Ignace is situated on the shores of Lake Huron and is bordered by the Straits of Mackinac to the south. Nearby cities include Mackinac Island, approximately 4 miles away to the southwest, and St. Ignace, located around 1 mile from the center of the city. The total land area of Saint Ignace is 81.52 square miles, complemented by an impressive water area that covers 58.12 square miles, highlighting its beautiful waterfront terrain.

Community & economy

The character of Saint Ignace is marked by its friendly residents and a deep sense of community pride. The local economy thrives primarily on tourism, with many visitors drawn to its stunning natural landscapes, historical sites, and recreational activities. Daily life in Saint Ignace often revolves around outdoor exploration, local festivals, and a strong emphasis on preserving the area's unique heritage.

Transportation

Saint Ignace is accessible via Interstate 75, which runs through the upper regions of Michigan. The nearest airport is the Mackinac County Airport, providing essential air transit options for travelers. Public transportation options may be limited, but local services cater to the needs of the community and visitors.

History

Saint Ignace was established in the early 17th century and has a rich history as a trading post and missionary center. The city’s economy once revolved around the fur trade and continued to evolve with tourism becoming a key industry in the 20th century. Notable events include the construction of the Mackinac Bridge in 1957, which significantly boosted its accessibility and growth.

Did you know?

A surprising fact about Saint Ignace is its status as the oldest permanent settlement in Michigan, founded by French Jesuit missionaries. Additionally, the city is home to the annual International Bridge Walk, which attracts thousands of participants who walk the Mackinac Bridge, linking Michigan's Upper and Lower Peninsulas.

ZIP codes for Saint Ignace, MI (1)

ZIP code	City	County	Map
49781	Saint Ignace	Mackinac	View map

Demographics & statistics

3,628

Population

49.9

Median age

$59,907

Median household income

$33,513

Per capita income

$142,700

Median home value

$674

Median monthly rent

70.6%

Home ownership

18.5%

Poverty rate

7.3%

Unemployment

1,776

Housing units

21.1%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

102

15–19

20–24

109

184

25–34

207

215

35–44

241

204

45–54

228

172

55–59

194

147

60–64

165

237

65–74

265

146

75–84

163

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	508	14.0%
18 and over	3,120	86.0%
65 and over	905	24.9%
Median age	49.9 years

Race & ethnicity

White 53.5%

American Indian / Alaska Native 23.7%

Two or more races 9.9%

Black or African American 7.6%

Hispanic or Latino 2.2%

Asian 2%

Other race 0.7%

Native Hawaiian / Pacific Islander 0.3%

Group	Count	%
White	1,987	53.5%
American Indian / Alaska Native	881	23.7%
Two or more races	368	9.9%
Black or African American	281	7.6%
Hispanic or Latino	83	2.2%
Asian	74	2%
Other race	26	0.7%
Native Hawaiian / Pacific Islander	11	0.3%

Household income

Under $10k 3.3%

$10k–$15k 8.0%

$15k–$25k 9.9%

$25k–$35k 9.0%

$35k–$50k 11.2%

$50k–$75k 22.2%

$75k–$100k 11.9%

$100k–$150k 18.5%

$150k–$200k 3.4%

$200k+ 2.6%

Range	% of households
Under $10k	3.3%
$10k–$15k	8.0%
$15k–$25k	9.9%
$25k–$35k	9.0%
$35k–$50k	11.2%
$50k–$75k	22.2%
$75k–$100k	11.9%
$100k–$150k	18.5%
$150k–$200k	3.4%
$200k+	2.6%
Median income	$59,907

Housing

Home values

Under $50k 4.5%

$50k–$100k 17.9%

$100k–$150k 30.4%

$150k–$200k 16.4%

$200k–$300k 17.2%

$300k–$500k 10.1%

$500k–$1M 3.5%

Housing overview

Metric	Value
Median home value	$142,700
Median rent / month	$674
Owner occupied	70.6%
Renter occupied	29.4%
Vacant	21.8%
Single-family detached	78.6%
Large apartment buildings	1.8%
Mobile homes	5.0%
Median rooms	5.7
Avg household size (owned)	2.11

Year built

Era	%
2020 or later	0.1%
2010–2019	5.1%
2000–2009	10.5%
1990–1999	15.4%
1980–1989	13.4%
1970–1979	11.5%
1960–1969	9.7%
1950–1959	11.7%
1940–1949	7.9%
1939 or earlier	14.7%

Bedrooms

Size	% of units
No bedroom (studio)	2.2%
1 bedroom	9.5%
2 bedrooms	27.8%
3 bedrooms	46.1%
4 bedrooms	9.0%
5+ bedrooms	5.4%

Vehicles per household

Vehicles	% of households
No vehicle	10.5%
1 vehicle	38.4%
2 vehicles	38.9%
3 or more	12.2%

Heating fuel

Fuel type	%
Utility gas	55.8%
Electricity	22.8%
Propane / LP gas	17.1%
Fuel oil	1.3%
Wood	1.4%
No fuel used	0.9%

Households & families

Household type	Count	%
Married-couple family	735	40.7%
Cohabiting couple	135	7.5%
Male householder, no spouse	331	18.3%
Female householder, no spouse	603	33.4%
Households with children under 18	414	22.9%
Households with seniors (65+)	639	35.4%
Average household size	1.95

Marital status

Status	Male	Female
Never married	33.7%	25.7%
Married	50.1%	48.6%
Separated	0.0%	0.7%
Widowed	3.8%	11.1%
Divorced	12.4%	14.0%

Education

Less than 9th grade 2.3%

Some HS, no diploma 5.3%

HS graduate 40.8%

Some college, no degree 21.6%

Associate's degree 8.9%

Bachelor's degree 12.8%

Graduate / professional 8.3%

Metric	%
HS diploma or higher	92.4%
Bachelor's or higher	21.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	37	7.5%
Kindergarten	35	7.1%
Elementary school	159	32.2%
High school	156	31.6%
College / grad school	107	21.7%

Employment

Industry of employment

Retail trade 20.9%

Arts, food & hospitality 16.7%

Public administration 14.5%

Education & healthcare 14.0%

Construction 6.4%

Finance & real estate 5.9%

Professional & management 5.1%

Other services 5.1%

Transportation & utilities 4.7%

Manufacturing 3.5%

Agriculture & mining 1.6%

Wholesale trade 0.9%

Information 0.7%

Occupation

Category	%
Management, business & arts	33.4%
Service	27.2%
Sales & office	21.9%
Natural resources & construction	8.4%
Production & transportation	9.1%

Employment type

Type	%
Private sector	73.9%
Government	20.0%
Self-employed	6.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	71.7%
Carpool	4.7%
Public transit	13.6%
Walk	3.0%
Other means	2.5%
Avg commute (minutes)	20.4

Poverty

All people 18.5%

Under 18 years 30.8%

18 and over 16.6%

Married-couple families 2.9%

Female-led households 31.9%

Income support

Source	% of households
Social Security	41.7%
Retirement income	32.8%
Supplemental Security	5.8%
Cash public assistance	1.4%
Food stamps / SNAP	16.3%

Health indicators

Condition	%
High blood pressure	37.6%
High cholesterol	36.0%
Heart disease	8.6%
Stroke	4.3%
Asthma	12.4%
Arthritis	34.1%
Kidney disease	3.7%
Pulmonary disease	10.0%
Cancer	7.7%

Behavior / access	%
Binge drinking	17.8%
No physical activity	25.1%
Less than 7 hrs sleep	34.0%
Fair or poor health	19.1%
Poor mental health	17.5%
Poor physical health	13.8%
No health insurance	9.8%
Visited doctor (checkup)	75.7%
Visited dentist	65.4%
Cholesterol screening	91.7%
Teeth loss	16.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	402	13.0%

Disability	%
Any disability	20.9%
Under 18	14.7%
18–64 years	16.5%
65 and over	35.8%

Health insurance coverage

Type	%
Private insurance	61.6%
Public insurance	51.0%
Uninsured under 19	4.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,502	96.5%
Spanish	74	2.1%
Other Indo-European	3	0.1%
Asian & Pacific Islander	24	0.7%
Other languages	15	0.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,317	91.4%
Born in same state	3,314	91.3%
Born in different state	3,052	84.1%
Foreign born	3	0.1%
Naturalized citizen	311	8.6%
Not a US citizen	67	21.5%

Ancestry

Ancestry	Count	%
French	404	11.1%
Italian	372	10.3%
German	108	3%
Arab	75	2.1%
English	64	1.8%

Ancestry	Count	%
Polish	55	1.5%
Dutch	31	0.9%
Irish	15	0.4%
Norwegian	4	0.1%

Technology access

Metric	% of households
Computer access	49.7%
Internet access	92.4%

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

Frequently asked questions

What is the ZIP code for Saint Ignace, MI?

Saint Ignace, MI has one ZIP code: 49781.

What is the main ZIP code for Saint Ignace, MI?

The primary ZIP code for Saint Ignace, MI is 49781. The city uses area code 906 for phone service.

What county is Saint Ignace, MI in?

Saint Ignace is located in Mackinac County, Michigan.

How many ZIP codes are in Saint Ignace, MI?

Saint Ignace, MI has 1 ZIP code.

What is the ZIP code for downtown Saint Ignace near the Mackinac Straits waterfront?

Downtown Saint Ignace, including the area near the Mackinac Straits waterfront and the ferry docks, is served by ZIP code 49781.

What ZIP code should I use for mailing packages to businesses located on Saint Ignace's main commercial strip along US-2?

All addresses along Saint Ignace's main commercial corridor, including businesses on US-2, use the ZIP code 49781.