Swea City, IA Demographics

Population 789 · Census ACS 2020–24

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Swea City, IA map of median age by neighborhood
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Population and households in Swea City

Household size in Swea City

Household size, people per household
PeriodSwea CityIowaU.S.
2006–102.332.442.68
2010–142.282.452.73
2015–192.192.432.71
2020–242.002.432.65
Change−0.34−0.01−0.03
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Households in Swea City are small: just 2.00 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 2.33, 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 Swea City

Median age, years
PeriodSwea CityIowaU.S.
2006–1045.138.837.7
2010–1447.939.338.6
2015–1941.839.739.6
2020–2443.839.840.1
Change−1.3+1.0+2.3
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The median resident of Swea City is 43.8 years old, older than the national median of 40.1.

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 Swea City

Single-parent households, % of households
PeriodSwea CityIowaU.S.
2006–109.5%9.5%12.3%
2010–1411.2%9.9%12.3%
2015–1917.7%10.0%11.6%
2020–246.7%10.0%11.6%
Change−2.8 pts+0.6 pts−0.6 pts
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Single parents head only 6.7% of households in Swea City, 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 Swea City

Renters in Swea City

Renters, % of occupied homes
PeriodSwea CityIowaU.S.
2006–1015.7%26.8%33.3%
2010–1417.9%28.2%35.6%
2015–1919.8%28.9%36.0%
2020–2426.9%28.3%34.8%
Change+11.3 pts+1.5 pts+1.5 pts
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Most households in Swea City own their homes; 26.9% rent, below the national share of 34.8%. That is in line with the rest of Iowa. Among homeowners, 79.8% 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 Swea City

Vacant homes, % of all homes
PeriodSwea CityIowaU.S.
2006–1017.0%8.7%11.4%
2010–1410.2%8.6%11.4%
2015–1919.5%9.4%11.1%
2020–2413.7%8.8%9.6%
Change−3.3 pts+0.1 pts−1.8 pts
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Vacant homes make up 13.7% of the housing in Swea City, 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 Swea City

Age of homes, median year built
PeriodSwea CityIowaU.S.
2006–10195319651974
2010–14194719671975
2015–19195219691977
2020–24195419711980
Change+1+6+6
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Swea City is a place of older homes: half were built before 1954, 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 Swea City

Rent, per month
PeriodSwea CityIowaU.S.
2006–10$566$669$965
2010–14$480$732$1,040
2015–19$710$821$1,213
2020–24$604$1,020$1,571
Change+$38+$351+$606
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Rent in Swea City runs $604 a month at the median, utilities included, well below the U.S. median of $1,571. The typical renter here spends 18.0% of household income on rent, comfortably 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 Swea City

Bachelor's degrees in Swea City

Bachelor's degrees, % of adults 25+
PeriodSwea CityIowaU.S.
2006–1012.0%26.5%28.4%
2010–1411.3%27.9%29.6%
2015–1913.8%29.3%32.1%
2020–2417.5%32.3%35.6%
Change+5.5 pts+5.8 pts+7.2 pts
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Fewer adults in Swea City have a four-year degree than in the country as a whole: 17.5%, 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 Swea City

High school graduates, % of adults 25+
PeriodSwea CityIowaU.S.
2006–1092.7%90.4%84.9%
2010–1492.1%91.4%86.1%
2015–1991.6%92.1%87.7%
2020–2492.7%93.0%89.3%
Change−0.0 pts+2.7 pts+4.3 pts
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High school completion in Swea City 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.

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 Swea City

Unemployment, % of the labor force
PeriodSwea CityIowaU.S.
2006–102.7%5.2%8.1%
2010–141.1%5.4%9.4%
2015–195.9%3.7%5.6%
2020–243.6%3.7%5.4%
Change+0.9 pts−1.5 pts−2.7 pts
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Jobs have been easier to find in Swea City than nationally: unemployment was 3.6%, against 5.4%. 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).

Swea City compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Swea City2.0043.86.7%26.9%13.7%1954$60417.5%92.7%3.6%
Ledyard2.0255.63.0%13.8%18.0%1950$46720.3%93.8%3.3%
Seneca2.1547.74.4%16.8%21.6%1945$67818.9%95.5%7.5%
Armstrong2.0052.89.7%20.0%14.2%1956$61520.2%98.5%5.0%
Bancroft2.0741.07.3%21.5%17.5%1954$63913.6%95.8%0.8%
Lakota1.8259.12.3%13.4%10.8%1944$43518.6%93.4%0.5%
Pilot Grove2.3344.52.8%18.2%8.6%1955$97328.4%96.8%0.9%
Lone Rock2.3248.84.2%14.4%13.5%1952$59322.3%93.3%2.1%
Ringsted2.3943.08.5%16.0%12.6%1946$66122.8%98.1%1.5%
Fenton2.0946.73.3%17.2%22.6%1942$75317.7%95.1%9.1%
Elmore2.0443.414.7%20.3%6.0%1955$99414.6%85.7%6.1%

All figures 2020–24.

Cities with similar populations: Ellsworth, IA · Trent, TX · Trade, TN · Tony, WI · Tolani Lake, AZ · South Butler, MI · Garvin, OK · Garden City, UT · Fork Union, VA · Evansville, IL

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 Swea City. 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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