Population 9,689 · Census ACS 2020–24
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Population and households in Sac County
Household size in Sac County
| Period | Sac County | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 2.29 | 2.44 | 2.68 |
| 2010–14 | 2.28 | 2.45 | 2.73 |
| 2015–19 | 2.23 | 2.43 | 2.71 |
| 2020–24 | 2.22 | 2.43 | 2.65 |
| Change | −0.07 | −0.01 | −0.03 |
Sac County is a place of small households, averaging 2.22 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 2.29 in 2006–10, as it has nationally. Of Iowa's 99 counties, only nine 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 Sac County
| Period | Sac County | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 45.9 | 38.8 | 37.7 |
| 2010–14 | 46.0 | 39.3 | 38.6 |
| 2015–19 | 46.9 | 39.7 | 39.6 |
| 2020–24 | 46.7 | 39.8 | 40.1 |
| Change | +0.9 | +1.0 | +2.3 |
With a median age of 46.7, Sac County is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees. Since 2006–10, the median age has crept up from 45.9, as it has nationally. Only five 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 Sac County
| Period | Sac County | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 5.8% | 9.5% | 12.3% |
| 2010–14 | 5.7% | 9.9% | 12.3% |
| 2015–19 | 9.4% | 10.0% | 11.6% |
| 2020–24 | 8.4% | 10.0% | 11.6% |
| Change | +2.6 pts | +0.6 pts | −0.6 pts |
Single parents head only 8.4% of households in Sac County, well below the national share of 11.6%. The single-parent share has risen 2.6 points since 2006–10, 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 Sac County
Renters in Sac County
| Period | Sac County | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 19.2% | 26.8% | 33.3% |
| 2010–14 | 19.8% | 28.2% | 35.6% |
| 2015–19 | 20.6% | 28.9% | 36.0% |
| 2020–24 | 22.0% | 28.3% | 34.8% |
| Change | +2.8 pts | +1.5 pts | +1.5 pts |
Only 22.0% of households in Sac County rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. About six in ten owners (60.0%) have paid off their mortgages, well above the national share of 39.8%. Rentals cluster in the southeast; owners are most common in the west. The renter share has risen 2.8 points since 2006–10, as it has nationally.
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 Sac County
| Period | Sac County | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 15.1% | 8.7% | 11.4% |
| 2010–14 | 16.4% | 8.6% | 11.4% |
| 2015–19 | 16.4% | 9.4% | 11.1% |
| 2020–24 | 15.2% | 8.8% | 9.6% |
| Change | +0.1 pts | +0.1 pts | −1.8 pts |
Vacancy is high in Sac County: 15.2% 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. Sac County has a higher vacancy rate than the great majority of 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 Sac County
| Period | Sac County | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 1947 | 1965 | 1974 |
| 2010–14 | 1948 | 1967 | 1975 |
| 2015–19 | 1949 | 1969 | 1977 |
| 2020–24 | 1954 | 1971 | 1980 |
| Change | +7 | +6 | +6 |
The housing in Sac County is old by national standards: the median home dates to 1954, against 1980 for the U.S., so buyers will find more older houses, some of them due for updates. The median year built has moved up from 1947 in 2006–10, a sign of steady new building. The newest homes are mostly in the south, the oldest in the northwest.
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 Sac County
| Period | Sac County | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | $472 | $669 | $965 |
| 2010–14 | $573 | $732 | $1,040 |
| 2015–19 | $596 | $821 | $1,213 |
| 2020–24 | $737 | $1,020 | $1,571 |
| Change | +$265 | +$351 | +$606 |
A typical rental in Sac County costs $737 a month with utilities, well below the national median of $1,571. Rent has climbed $265 a month since 2006–10, up 56%, a slower climb than the nation's. Rent takes 17.8% of the typical renter's income, comfortably under the 30% mark often used to define affordable rent. Rents run highest in the east and lowest in the southwest.
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 Sac County
Bachelor's degrees in Sac County
| Period | Sac County | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 18.3% | 26.5% | 28.4% |
| 2010–14 | 19.2% | 27.9% | 29.6% |
| 2015–19 | 19.8% | 29.3% | 32.1% |
| 2020–24 | 22.1% | 32.3% | 35.6% |
| Change | +3.7 pts | +5.8 pts | +7.2 pts |
Fewer adults in Sac County have a four-year degree than in the country as a whole: 22.1%, against 35.6% nationally. The share with a degree is up 3.7 points from 2006–10, as it has 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 Sac County
| Period | Sac County | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 89.6% | 90.4% | 84.9% |
| 2010–14 | 91.6% | 91.4% | 86.1% |
| 2015–19 | 92.6% | 92.1% | 87.7% |
| 2020–24 | 92.7% | 93.0% | 89.3% |
| Change | +3.2 pts | +2.7 pts | +4.3 pts |
High school completion in Sac County is above the national rate: 92.7% of adults have a diploma or equivalent, against 89.3%. Iowa as a whole looks much the same. The share with a diploma is up 3.2 points from 2006–10, mirroring the country.
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 Sac County
| Period | Sac County | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 3.6% | 5.2% | 8.1% |
| 2010–14 | 3.9% | 5.4% | 9.4% |
| 2015–19 | 2.8% | 3.7% | 5.6% |
| 2020–24 | 4.0% | 3.7% | 5.4% |
| Change | +0.4 pts | −1.5 pts | −2.7 pts |
Unemployment in Sac County runs below the national rate: 4.0% of the labor force was out of work and looking, against 5.4% nationally. Iowa as a whole looks much the same. 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).
Sac County compared with nearby counties
| County | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Sac County | 2.22 | 46.7 | 8.4% | 22.0% | 15.2% | 1954 | $737 | 22.1% | 92.7% | 4.0% |
| Ida County | 2.23 | 41.6 | 11.4% | 27.1% | 8.6% | 1954 | $698 | 22.7% | 94.8% | 2.4% |
| Calhoun County | 2.30 | 43.9 | 7.7% | 19.5% | 16.2% | 1957 | $743 | 21.8% | 92.9% | 2.4% |
| Webster County | 2.25 | 39.2 | 9.8% | 29.7% | 12.3% | 1958 | $797 | 22.0% | 93.5% | 4.9% |
| Woodbury County | 2.63 | 37.1 | 15.0% | 31.8% | 8.1% | 1960 | $1,067 | 23.7% | 87.4% | 4.0% |
| Hamilton County | 2.36 | 42.8 | 8.9% | 26.6% | 9.3% | 1950 | $869 | 22.0% | 94.3% | 5.5% |
| Dakota County | 2.94 | 34.0 | 12.7% | 36.1% | 6.5% | 1970 | $1,051 | 14.4% | 78.7% | 4.7% |
| Dixon County | 2.56 | 42.7 | 12.1% | 23.5% | 12.1% | 1953 | $688 | 23.1% | 84.5% | 2.4% |
| Hardin County | 2.32 | 43.8 | 7.8% | 26.4% | 12.3% | 1955 | $770 | 22.6% | 92.8% | 4.8% |
| Wayne County | 2.34 | 35.5 | 10.2% | 38.7% | 6.7% | 1963 | $941 | 30.2% | 95.5% | 3.4% |
| Grundy County | 2.40 | 42.5 | 7.8% | 15.5% | 6.7% | 1961 | $859 | 28.3% | 96.7% | 1.9% |
All figures 2020–24.
Counties with similar populations: Liberty County, FL · Pickett County, TN · Lincoln County, MN · Lincoln County, KS · Lincoln County, ID · Lincoln County, GA · Lincoln County, CO · Lincoln County, AR · Liberty County, MT · Pierce County, ND
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 Sac 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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