Audubon County, IA Demographics

Population 5,599 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
Audubon County, IA map of median age by neighborhood
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Population and households in Audubon County

Household size in Audubon County

Household size, people per household
PeriodAudubon CountyIowaU.S.
2006–102.242.442.68
2010–142.152.452.73
2015–192.072.432.71
2020–242.162.432.65
Change−0.08−0.01−0.03
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Audubon County is a place of small households, averaging 2.16 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Household size has edged down from 2.24 in 2006–10, mirroring the country. Only four of Iowa's 99 counties have smaller households.

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 Audubon County

Median age, years
PeriodAudubon CountyIowaU.S.
2006–1047.738.837.7
2010–1447.039.338.6
2015–1948.639.739.6
2020–2447.339.840.1
Change−0.4+1.0+2.3
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Audubon County skews older: half of its residents are older than 47.3, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families. Since 2006–10, the median age has edged down from 47.7, even as the national median rose. Only three of Iowa's 99 counties are older.

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 Audubon County

Single-parent households, % of households
PeriodAudubon CountyIowaU.S.
2006–106.9%9.5%12.3%
2010–148.5%9.9%12.3%
2015–197.8%10.0%11.6%
2020–247.8%10.0%11.6%
Change+1.0 pts+0.6 pts−0.6 pts
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Single parents head only 7.8% of households in Audubon County, well below the national share of 11.6%. Since 2006–10, the single-parent share has edged up 1.0 points, even as the national share fell.

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 Audubon County

Renters in Audubon County

Renters, % of occupied homes
PeriodAudubon CountyIowaU.S.
2006–1020.1%26.8%33.3%
2010–1417.5%28.2%35.6%
2015–1923.2%28.9%36.0%
2020–2423.8%28.3%34.8%
Change+3.7 pts+1.5 pts+1.5 pts
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Only 23.8% of households in Audubon County rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Nearly six in ten owners (56.2%) have paid off their mortgages, well above the national share of 39.8%. Rentals cluster in the north; owners are most common in the southeast. Since 2006–10, the renter share has risen 3.7 points, in line with the national trend.

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 Audubon County

Vacant homes, % of all homes
PeriodAudubon CountyIowaU.S.
2006–109.5%8.7%11.4%
2010–149.1%8.6%11.4%
2015–1912.0%9.4%11.1%
2020–248.1%8.8%9.6%
Change−1.4 pts+0.1 pts−1.8 pts
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Fewer homes sit empty in Audubon County than nationally: 8.1%, against 9.6% for the U.S. Since 2006–10, vacancy has edged down 1.4 points, in line with the national trend. Audubon County has a lower vacancy rate than at least four in five Iowa counties.

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 Audubon County

Age of homes, median year built
PeriodAudubon CountyIowaU.S.
2006–10194819651974
2010–14195019671975
2015–19194819691977
2020–24194819711980
Change−1+6+6
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The housing in Audubon County is old by national standards: the median home dates to 1948, against 1980 for the U.S., so buyers will find more older houses, some of them due for updates. Only one other Iowa county has older homes.

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 Audubon County

Rent, per month
PeriodAudubon CountyIowaU.S.
2006–10$487$669$965
2010–14$552$732$1,040
2015–19$564$821$1,213
2020–24$758$1,020$1,571
Change+$271+$351+$606
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The median renter in Audubon County pays $758 a month for rent and utilities, well below the national median of $1,571. Rents are up $271 a month from 2006–10, a 56% rise, a slower climb than the nation's. The typical renter here spends 27.4% of household income on rent, just under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally. Rents run highest in the west and lowest in the southeast.

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 Audubon County

Bachelor's degrees in Audubon County

Bachelor's degrees, % of adults 25+
PeriodAudubon CountyIowaU.S.
2006–1015.2%26.5%28.4%
2010–1416.7%27.9%29.6%
2015–1917.2%29.3%32.1%
2020–2421.2%32.3%35.6%
Change+6.0 pts+5.8 pts+7.2 pts
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Fewer adults in Audubon County have a four-year degree than in the country as a whole: 21.2%, against 35.6% nationally. The share with a degree is up 6.0 points from 2006–10, mirroring the country.

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 Audubon County

High school graduates, % of adults 25+
PeriodAudubon CountyIowaU.S.
2006–1086.9%90.4%84.9%
2010–1491.1%91.4%86.1%
2015–1989.4%92.1%87.7%
2020–2492.1%93.0%89.3%
Change+5.2 pts+2.7 pts+4.3 pts
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High school completion in Audubon County is a bit above the national rate: 92.1% of adults have a diploma or equivalent, against 89.3%. That is in line with the rest of Iowa. The share with a diploma has risen 5.2 points since 2006–10, as it has nationally.

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 Audubon County

Unemployment, % of the labor force
PeriodAudubon CountyIowaU.S.
2006–103.4%5.2%8.1%
2010–142.6%5.4%9.4%
2015–191.8%3.7%5.6%
2020–241.5%3.7%5.4%
Change−1.9 pts−1.5 pts−2.7 pts
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The job market in Audubon County has been strong: just 1.5% of the labor force was out of work and looking, well below the national rate of 5.4%. Only five of Iowa's 99 counties have lower unemployment. Unemployment has fallen 1.9 points since 2006–10, in line with the national trend.

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).

Audubon County compared with nearby counties

CountyHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Audubon County2.1647.37.8%23.8%8.1%1948$75821.2%92.1%1.5%
Shelby County2.4144.47.5%22.2%11.9%1953$77725.1%95.5%3.1%
Guthrie County2.3045.07.7%16.0%19.7%1962$82524.9%95.8%3.1%
Harrison County2.4242.56.4%22.9%8.6%1958$85123.0%94.1%2.2%
Dallas County2.5936.98.1%31.0%5.9%2000$1,30052.3%95.5%2.3%
Washington County2.5243.67.7%16.8%4.2%1974$1,00735.9%96.1%2.1%
Polk County2.5137.012.0%32.6%6.9%1981$1,24140.5%91.7%5.0%
Jasper County2.4441.610.4%27.7%9.6%1964$87020.3%94.1%7.2%
Colfax County3.4434.524.9%23.7%4.6%1968$98914.6%67.9%2.5%
Poweshiek County2.1941.27.2%28.8%11.7%1965$88128.4%94.7%3.5%
Iowa County2.3543.59.6%23.4%5.9%1967$77525.3%95.4%1.7%

All figures 2020–24.

Counties with similar populations: Custer County, ID · Pickett County, TN · Petroleum County, MT · Pershing County, NV · Pendleton County, WV · Menard County, TX · McIntosh County, ND · McIntosh County, GA · Martin County, TX · Culberson County, 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 Audubon 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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