Tamms, IL Demographics

Population 1,105 · Census ACS 2020–24

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Tamms, IL map of median age by neighborhood
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Population and households in Tamms

Household size in Tamms

Household size, people per household
PeriodTammsIllinoisU.S.
2006–102.572.692.68
2010–142.612.712.73
2015–192.872.662.71
2020–242.332.582.65
Change−0.24−0.11−0.03
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Households in Tamms are small: just 2.33 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 2.57, but in a place this small, much of that may be survey noise rather than real change.

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 Tamms

Median age, years
PeriodTammsIllinoisU.S.
2006–1045.237.637.7
2010–1443.438.538.6
2015–1948.939.639.6
2020–2449.340.240.1
Change+4.1+2.6+2.3
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Tamms skews older: half of its residents are older than 49.3, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families.

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 Tamms

Single-parent households, % of households
PeriodTammsIllinoisU.S.
2006–1010.4%11.7%12.3%
2010–1418.1%11.7%12.3%
2015–195.0%11.1%11.6%
2020–247.4%11.3%11.6%
Change−3.0 pts−0.4 pts−0.6 pts
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Single parents head only 7.4% of households in Tamms, well below the national share of 11.6%.

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 Tamms

Renters in Tamms

Renters, % of occupied homes
PeriodTammsIllinoisU.S.
2006–1015.4%30.8%33.3%
2010–1425.4%33.1%35.6%
2015–1918.4%33.9%36.0%
2020–2414.1%32.9%34.8%
Change−1.3 pts+2.1 pts+1.5 pts
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Tamms is overwhelmingly a place of homeowners: only 14.1% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 64.9% 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 Tamms

Vacant homes, % of all homes
PeriodTammsIllinoisU.S.
2006–1016.6%10.0%11.4%
2010–1424.4%10.1%11.4%
2015–1934.1%9.8%11.1%
2020–2420.9%8.1%9.6%
Change+4.3 pts−1.9 pts−1.8 pts
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Vacant homes make up 20.9% of the housing in Tamms, 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 Tamms

Age of homes, median year built
PeriodTammsIllinoisU.S.
2006–10195519661974
2010–14197019671975
2015–19197919681977
2020–24198319701980
Change+27+4+6
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Homes in Tamms are about the same age as the nation's housing: the median home was built in 1983, versus 1980 nationally. Homes here are newer than in Illinois as a whole, where the median home dates to 1970.

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 Tamms

Rent, per month
PeriodTammsIllinoisU.S.
2006–10$520$953$965
2010–14$541$1,028$1,040
2015–19$518$1,165$1,213
2020–24$592$1,428$1,571
Change+$72+$475+$606
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Rent in Tamms runs $592 a month at the median, utilities included, well below the U.S. median of $1,571. Rent takes 23.7% of the typical renter's income, comfortably under the 30% mark often used to define affordable rent.

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 Tamms

Bachelor's degrees in Tamms

Bachelor's degrees, % of adults 25+
PeriodTammsIllinoisU.S.
2006–107.4%31.2%28.4%
2010–146.3%32.4%29.6%
2015–1912.0%34.7%32.1%
2020–2413.7%37.7%35.6%
Change+6.3 pts+6.5 pts+7.2 pts
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College degrees are relatively uncommon in Tamms: 13.7% of adults 25 and older hold a bachelor's or higher, well below the national share of 35.6%.

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 Tamms

High school graduates, % of adults 25+
PeriodTammsIllinoisU.S.
2006–1067.6%86.3%84.9%
2010–1471.9%87.5%86.1%
2015–1989.7%89.1%87.7%
2020–2487.6%90.3%89.3%
Change+19.9 pts+4.0 pts+4.3 pts
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About one in eight adults in Tamms never finished high school, a bit more than nationally: 87.6% have a diploma or equivalent, against 89.3% across the U.S.

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 Tamms

Unemployment, % of the labor force
PeriodTammsIllinoisU.S.
2006–109.3%8.7%8.1%
2010–1410.1%10.2%9.4%
2015–197.6%6.1%5.6%
2020–241.2%6.0%5.4%
Change−8.1 pts−2.7 pts−2.7 pts
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The job market in Tamms has been strong: just 1.2% of the labor force was out of work and looking, well below the national rate of 5.4%. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current 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).

Tamms compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Tamms2.3349.37.4%14.1%20.9%1983$59213.7%87.6%1.2%
Pulaski2.0548.89.0%24.4%17.3%1973$66923.4%81.3%0.0%
Cache2.2857.710.9%11.2%32.6%1982$67811.3%92.1%0.0%
Elco2.8053.43.5%10.9%27.2%1985$7449.8%91.0%0.0%
Olive Branch2.2857.710.9%11.2%32.6%1982$67811.3%92.1%0.0%
Ullin2.0247.710.5%22.0%32.1%1974$64516.8%87.2%0.6%
North Mounds2.2045.014.4%35.1%24.2%1971$64620.8%79.7%1.2%
Gale2.8352.53.3%11.0%26.4%1984$74110.0%91.1%0.1%
Villa Ridge2.4048.410.7%27.2%27.2%1976$63914.1%84.9%0.3%
Thebes2.8645.55.7%12.9%25.0%1979$68111.6%92.3%1.1%
Spencer Heights2.4240.220.9%45.1%32.5%1968$62516.6%78.6%3.2%

All figures 2020–24.

Cities with similar populations: Kiamesha Lake, NY · Yonkers, OK · Hiltons, VA · Hixton, WI · Hudgins, VA · Issue, MD · Jefferson, NH · Kelawea, HI · Kerr Hill, MI · Helena, OH

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 Tamms. 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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