St. Ignace, MI Demographics

Population 3,915 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
St. Ignace, MI map of median age by neighborhood
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Population and households in St. Ignace

Household size in St. Ignace

Household size, people per household
PeriodSt. IgnaceMichiganU.S.
2006–102.392.582.68
2010–142.242.582.73
2015–191.922.532.71
2020–242.032.512.65
Change−0.36−0.06−0.03
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Households in St. Ignace are small: just 2.03 people on average, compared with 2.65 nationally. That is typical of places where many people live alone or as couples, and fewer have children at home. Since 2006–10, household size has dropped from 2.39, but in a place this small, survey estimates can swing a lot from one release to the next.

Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).

Median age in St. Ignace

Median age, years
PeriodSt. IgnaceMichiganU.S.
2006–1043.438.937.7
2010–1445.340.138.6
2015–1951.841.039.6
2020–2450.441.340.1
Change+7.0+2.4+2.3
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With a median age of 50.4, St. Ignace is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees.

Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).

Single-parent households in St. Ignace

Single-parent households, % of households
PeriodSt. IgnaceMichiganU.S.
2006–1010.3%11.3%12.3%
2010–149.9%11.5%12.3%
2015–197.7%10.9%11.6%
2020–2414.9%10.7%11.6%
Change+4.6 pts−0.6 pts−0.6 pts
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Single-parent households are common in St. Ignace: 14.9% of all households, against 11.6% nationally.

Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).

Housing in St. Ignace

Renters in St. Ignace

Renters, % of occupied homes
PeriodSt. IgnaceMichiganU.S.
2006–1028.0%25.8%33.3%
2010–1432.1%28.5%35.6%
2015–1934.3%28.8%36.0%
2020–2430.6%26.8%34.8%
Change+2.6 pts+1.0 pts+1.5 pts
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Most households in St. Ignace own their homes; 30.6% rent, a little below the national share of 34.8%. Still, renters make up a bigger share here than in Michigan overall (26.8%). Among homeowners, 54.7% have no mortgage at all, well above the national share of 39.8%.

Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).

Vacant homes in St. Ignace

Vacant homes, % of all homes
PeriodSt. IgnaceMichiganU.S.
2006–1030.6%13.0%11.4%
2010–1429.7%13.0%11.4%
2015–1924.8%11.9%11.1%
2020–2423.8%10.2%9.6%
Change−6.7 pts−2.8 pts−1.8 pts
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Vacancy is high in St. Ignace: 23.8% of homes are empty, far above the national rate of 9.6%. In resort and lake areas that usually means seasonal and vacation homes; elsewhere it can point to weak demand.

Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).

Age of homes in St. Ignace

Age of homes, median year built
PeriodSt. IgnaceMichiganU.S.
2006–10197119691974
2010–14197119701975
2015–19197219711977
2020–24197419721980
Change+4+3+6
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Housing in St. Ignace leans a little older: the median home dates to 1974, against 1980 nationally. That is in line with the rest of Michigan.

Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).

Rent in St. Ignace

Rent, per month
PeriodSt. IgnaceMichiganU.S.
2006–10$607$833$965
2010–14$574$886$1,040
2015–19$539$978$1,213
2020–24$731$1,228$1,571
Change+$123+$395+$606
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A typical rental in St. Ignace costs $731 a month with utilities, well below the national median of $1,571. The typical renter here spends 33.9% of household income on rent, well over the 30% mark often used to define affordable rent, so many renters here are stretched.

Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).

Education in St. Ignace

Bachelor's degrees in St. Ignace

Bachelor's degrees, % of adults 25+
PeriodSt. IgnaceMichiganU.S.
2006–1017.4%26.1%28.4%
2010–1416.5%27.1%29.6%
2015–1922.1%29.5%32.1%
2020–2420.0%32.7%35.6%
Change+2.6 pts+6.6 pts+7.2 pts
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Fewer adults in St. Ignace have a four-year degree than in the country as a whole: 20.0%, against 35.6% nationally.

Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

High school graduates in St. Ignace

High school graduates, % of adults 25+
PeriodSt. IgnaceMichiganU.S.
2006–1089.0%88.3%84.9%
2010–1486.2%89.3%86.1%
2015–1990.7%90.7%87.7%
2020–2491.2%91.8%89.3%
Change+2.2 pts+3.5 pts+4.3 pts
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High school completion in St. Ignace is a bit above the national rate: 91.2% of adults have a diploma or equivalent, against 89.3%. The picture is much the same across Michigan.

High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

Jobs in St. Ignace

Unemployment, % of the labor force
PeriodSt. IgnaceMichiganU.S.
2006–1014.0%11.5%8.1%
2010–1413.6%11.7%9.4%
2015–1910.4%6.1%5.6%
2020–247.3%5.9%5.4%
Change−6.7 pts−5.7 pts−2.7 pts
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Unemployment runs high in St. Ignace: 7.3% of the labor force was out of work and looking, against 5.4% nationally. Each figure pools five years of surveys (2020–24), so it describes that whole stretch rather than today's job market.

Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).

St. Ignace compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
St. Ignace2.0350.414.9%30.6%23.8%1974$73120.0%91.2%7.3%
Gros Cap2.1749.512.7%21.2%38.8%1980$1,03823.1%91.1%12.0%
Mackinac Island1.8440.44.5%51.1%78.7%1969$1,19741.0%85.7%7.9%
Mackinaw City1.9155.55.1%19.7%48.3%1975$83133.2%91.8%11.1%
Moran2.1143.020.6%26.3%28.2%1984$78616.4%90.8%17.1%
Carp Lake2.2347.54.9%20.1%47.9%1979$76926.5%91.7%6.6%
Pointe Aux Pins1.8964.511.1%0.0%96.6%1987$59866.7%100.0%0.0%
Hessel1.9955.76.0%18.8%52.7%1976$70933.7%94.4%12.8%
Levering2.0850.96.2%14.4%43.7%1981$81727.8%92.5%5.4%
Point Nipigon2.7647.93.3%17.3%34.0%1981$80616.2%94.1%4.9%
Brevort2.4052.28.6%17.8%50.1%1977$99719.9%91.4%14.0%

All figures 2020–24.

Cities with similar populations: Byron, MI · Blakeslee, PA · Camden, AL · Catlett, VA · Chester, CT · Cloverdale, VA · Port Vue, PA · Grant, MN · Tonkawa, OK · Nanty-Glo, PA

About these numbers

Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up St. Ignace. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.

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