Windsor Mercer County, IL Demographics

Population 169 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
Windsor Mercer County, IL map of median age by neighborhood
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Population and households in Windsor Mercer County

Household size in Windsor Mercer County

Household size, people per household
PeriodWindsor Mercer CountyIllinoisU.S.
2006–102.172.692.68
2010–142.382.712.73
2015–192.372.662.71
2020–242.312.582.65
Change+0.14−0.11−0.03
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Windsor Mercer County is a place of small households, averaging 2.31 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Since 2006–10, household size has climbed from 2.17, 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 Windsor Mercer County

Median age, years
PeriodWindsor Mercer CountyIllinoisU.S.
2006–1045.837.637.7
2010–1443.938.538.6
2015–1943.939.639.6
2020–2449.040.240.1
Change+3.2+2.6+2.3
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With a median age of 49.0, Windsor Mercer County 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 Windsor Mercer County

Single-parent households, % of households
PeriodWindsor Mercer CountyIllinoisU.S.
2006–105.7%11.7%12.3%
2010–147.6%11.7%12.3%
2015–198.8%11.1%11.6%
2020–2410.1%11.3%11.6%
Change+4.4 pts−0.4 pts−0.6 pts
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Single-parent households are a bit less common in Windsor Mercer County than nationally: 10.1%, against 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 Windsor Mercer County

Renters in Windsor Mercer County

Renters, % of occupied homes
PeriodWindsor Mercer CountyIllinoisU.S.
2006–1014.2%30.8%33.3%
2010–1421.7%33.1%35.6%
2015–1915.4%33.9%36.0%
2020–2410.4%32.9%34.8%
Change−3.8 pts+2.1 pts+1.5 pts
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Windsor Mercer County is overwhelmingly a place of homeowners: only 10.4% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 45.0% have no mortgage at all, 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 Windsor Mercer County

Vacant homes, % of all homes
PeriodWindsor Mercer CountyIllinoisU.S.
2006–103.6%10.0%11.4%
2010–149.4%10.1%11.4%
2015–198.4%9.8%11.1%
2020–2410.1%8.1%9.6%
Change+6.5 pts−1.9 pts−1.8 pts
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Vacancy in Windsor Mercer County is close to the national rate: 10.1% of homes are empty, against 9.6%. The rate is higher than in Illinois as a whole (8.1%).

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 Windsor Mercer County

Age of homes, median year built
PeriodWindsor Mercer CountyIllinoisU.S.
2006–10195419661974
2010–14194919671975
2015–19195319681977
2020–24195919701980
Change+5+4+6
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Windsor Mercer County is a place of older homes: half were built before 1959, while the national median is 1980. That means established neighborhoods, and more houses that may need updating.

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 Windsor Mercer County

Rent, per month
PeriodWindsor Mercer CountyIllinoisU.S.
2006–10$469$953$965
2010–14$534$1,028$1,040
2015–19$564$1,165$1,213
2020–24$648$1,428$1,571
Change+$179+$475+$606
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A typical rental in Windsor Mercer County costs $648 a month with utilities, well below the national median of $1,571. The typical renter here spends 28.3% of household income on rent, just under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally.

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 Windsor Mercer County

Bachelor's degrees in Windsor Mercer County

Bachelor's degrees, % of adults 25+
PeriodWindsor Mercer CountyIllinoisU.S.
2006–1017.1%31.2%28.4%
2010–1412.6%32.4%29.6%
2015–1914.8%34.7%32.1%
2020–2416.9%37.7%35.6%
Change−0.2 pts+6.5 pts+7.2 pts
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College degrees are relatively uncommon in Windsor Mercer County: 16.9% 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 Windsor Mercer County

High school graduates, % of adults 25+
PeriodWindsor Mercer CountyIllinoisU.S.
2006–1086.5%86.3%84.9%
2010–1490.2%87.5%86.1%
2015–1993.8%89.1%87.7%
2020–2492.9%90.3%89.3%
Change+6.4 pts+4.0 pts+4.3 pts
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Just over nine in ten adults in Windsor Mercer County have finished high school (92.9%), above the national rate of 89.3%.

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 Windsor Mercer County

Unemployment, % of the labor force
PeriodWindsor Mercer CountyIllinoisU.S.
2006–107.5%8.7%8.1%
2010–148.9%10.2%9.4%
2015–195.8%6.1%5.6%
2020–243.0%6.0%5.4%
Change−4.5 pts−2.7 pts−2.7 pts
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The job market in Windsor Mercer County has been strong: just 3.0% of the labor force was out of work and looking, well below the national rate of 5.4%. 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).

Windsor Mercer County compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Windsor Mercer County2.3149.010.1%10.4%10.1%1959$64816.9%92.9%3.0%
New Windsor2.3050.113.7%11.9%14.9%1959$49714.3%91.7%2.1%
Alpha2.4946.76.1%13.0%10.2%1958$75621.4%93.6%2.5%
Opheim2.4848.62.7%6.6%13.6%1959$81427.2%94.0%2.4%
Viola2.2848.511.3%10.5%7.3%1966$90516.7%92.7%6.0%
North Henderson2.4741.55.0%3.6%4.3%1939$75529.8%97.3%2.7%
Sherrard2.5445.75.8%7.0%10.5%1968$83122.1%93.0%3.3%
Cable2.6147.33.7%4.5%14.7%1978$84535.4%90.4%3.4%
Lynn Center2.6145.52.6%6.9%10.7%1968$84130.4%94.4%2.3%
Rio2.8434.74.5%10.5%17.6%1944$75227.5%96.5%4.3%
Swedona2.6046.22.5%5.4%10.1%1958$80927.0%96.2%1.2%

All figures 2020–24.

Cities with similar populations: Endeavor, PA · Fairmount, TX · Fairford, AL · Fairdale, ND · Exeter, IL · Ewingville, MD · Estelline, TX · Estabrook Settlement, ME · Erie, ND · Eridu, FL

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 Windsor Mercer County. 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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