Griggsville, IL Demographics

Population 1,338 · Census ACS 2020–24

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

Household size in Griggsville

Household size, people per household
PeriodGriggsvilleIllinoisU.S.
2006–102.582.692.68
2010–142.242.712.73
2015–192.482.662.71
2020–242.372.582.65
Change−0.20−0.11−0.03
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Griggsville is a place of small households, averaging 2.37 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 dropped from 2.58, 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 Griggsville

Median age, years
PeriodGriggsvilleIllinoisU.S.
2006–1040.237.637.7
2010–1446.938.538.6
2015–1945.639.639.6
2020–2442.940.240.1
Change+2.7+2.6+2.3
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Griggsville skews older than the country: its median age is 42.9, against 40.1 nationally.

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 Griggsville

Single-parent households, % of households
PeriodGriggsvilleIllinoisU.S.
2006–1018.9%11.7%12.3%
2010–147.3%11.7%12.3%
2015–194.6%11.1%11.6%
2020–2422.8%11.3%11.6%
Change+3.9 pts−0.4 pts−0.6 pts
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Single-parent households are common in Griggsville: 22.8% 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 Griggsville

Renters in Griggsville

Renters, % of occupied homes
PeriodGriggsvilleIllinoisU.S.
2006–1021.2%30.8%33.3%
2010–1417.0%33.1%35.6%
2015–1922.2%33.9%36.0%
2020–2433.7%32.9%34.8%
Change+12.5 pts+2.1 pts+1.5 pts
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Renting in Griggsville is about as common as it is nationally: 33.7% of households rent, against 34.8%. More than half of owners (53.9%) have paid off their mortgages, 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 Griggsville

Vacant homes, % of all homes
PeriodGriggsvilleIllinoisU.S.
2006–1017.8%10.0%11.4%
2010–1413.2%10.1%11.4%
2015–1911.6%9.8%11.1%
2020–2411.8%8.1%9.6%
Change−6.0 pts−1.9 pts−1.8 pts
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A few more homes sit empty in Griggsville than nationally: 11.8%, against 9.6%. The count includes vacation homes and homes between owners or tenants, not just abandoned ones.

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 Griggsville

Age of homes, median year built
PeriodGriggsvilleIllinoisU.S.
2006–10194819661974
2010–14195519671975
2015–19195119681977
2020–24196619701980
Change+18+4+6
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The housing in Griggsville is old by national standards: the median home dates to 1966, against 1980 for the U.S., so buyers will find more older houses, some of them due for updates. The picture is much the same across Illinois.

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 Griggsville

Rent, per month
PeriodGriggsvilleIllinoisU.S.
2006–10$473$953$965
2010–14$519$1,028$1,040
2015–19$599$1,165$1,213
2020–24$593$1,428$1,571
Change+$120+$475+$606
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Rent in Griggsville runs $593 a month at the median, utilities included, well below the U.S. median of $1,571. The typical renter here spends 30.5% of household income on rent, just over 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 Griggsville

Bachelor's degrees in Griggsville

Bachelor's degrees, % of adults 25+
PeriodGriggsvilleIllinoisU.S.
2006–1011.0%31.2%28.4%
2010–1415.3%32.4%29.6%
2015–1917.4%34.7%32.1%
2020–2413.2%37.7%35.6%
Change+2.2 pts+6.5 pts+7.2 pts
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Fewer adults in Griggsville have a four-year degree than in the country as a whole: 13.2%, 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 Griggsville

High school graduates, % of adults 25+
PeriodGriggsvilleIllinoisU.S.
2006–1089.8%86.3%84.9%
2010–1489.8%87.5%86.1%
2015–1985.6%89.1%87.7%
2020–2490.3%90.3%89.3%
Change+0.5 pts+4.0 pts+4.3 pts
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About as many adults in Griggsville have finished high school as nationally: 90.3%, against 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 Griggsville

Unemployment, % of the labor force
PeriodGriggsvilleIllinoisU.S.
2006–106.1%8.7%8.1%
2010–143.4%10.2%9.4%
2015–196.9%6.1%5.6%
2020–243.6%6.0%5.4%
Change−2.4 pts−2.7 pts−2.7 pts
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Unemployment in Griggsville runs below the national rate: 3.6% of the labor force was out of work and looking, against 5.4% nationally. 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).

Griggsville compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Griggsville2.3742.922.8%33.7%11.8%1966$59313.2%90.3%3.6%
Valley City2.4140.224.5%38.8%15.9%1965$54013.0%88.5%4.3%
Maysville2.1744.614.3%28.7%17.4%1958$68717.4%93.2%5.0%
Perry2.0150.24.1%22.2%26.5%1956$76915.8%96.4%7.1%
Detroit2.1554.28.5%13.0%28.2%1963$80620.7%92.3%0.6%
New Salem2.0242.75.9%27.5%26.5%1946$72229.8%94.1%5.1%
Naples2.4846.19.1%20.7%19.6%1968$68523.3%91.5%2.0%
Pittsfield2.1844.413.2%24.1%10.0%1964$65620.4%92.9%5.5%
Chambersburg2.0250.24.2%22.7%26.6%1957$76915.7%96.5%7.1%
Oxville2.5347.66.2%15.4%20.5%1970$70027.7%91.7%1.6%
Baylis2.0538.48.3%30.4%25.5%1942$76029.5%93.1%5.4%

All figures 2020–24.

Cities with similar populations: Falmouth, MI · Richardson, VA · Point Arena, CA · Liberal, MO · Lakeville, PA · Griswold, IA · Grand View, ID · Good Hope, OH · Garnavillo, IA · Fort Clark Springs, TX

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 Griggsville. 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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