Population 9,591 · Census ACS 2020–24
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Population and households in Humboldt County
Household size in Humboldt County
| Period | Humboldt County | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 2.28 | 2.44 | 2.68 |
| 2010–14 | 2.28 | 2.45 | 2.73 |
| 2015–19 | 2.27 | 2.43 | 2.71 |
| 2020–24 | 2.25 | 2.43 | 2.65 |
| Change | −0.02 | −0.01 | −0.03 |
Households in Humboldt County are small: just 2.25 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. Households are largest in the west and smallest in the southeast.
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 Humboldt County
| Period | Humboldt County | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 44.2 | 38.8 | 37.7 |
| 2010–14 | 44.2 | 39.3 | 38.6 |
| 2015–19 | 43.3 | 39.7 | 39.6 |
| 2020–24 | 43.3 | 39.8 | 40.1 |
| Change | −0.9 | +1.0 | +2.3 |
Humboldt County skews older than the country: its median age is 43.3, against 40.1 nationally. Since 2006–10, the median age has edged down from 44.2, even as the national median rose.
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 Humboldt County
| Period | Humboldt County | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 8.1% | 9.5% | 12.3% |
| 2010–14 | 10.9% | 9.9% | 12.3% |
| 2015–19 | 7.1% | 10.0% | 11.6% |
| 2020–24 | 13.3% | 10.0% | 11.6% |
| Change | +5.1 pts | +0.6 pts | −0.6 pts |
Single parents head just over one in eight households in Humboldt County (13.3%), a bit above the national share of 11.6%. The single-parent share has risen 5.1 points since 2006–10, even as the national share fell. Only seven of Iowa's 99 counties have a higher share of single-parent households.
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 Humboldt County
Renters in Humboldt County
| Period | Humboldt County | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 24.0% | 26.8% | 33.3% |
| 2010–14 | 25.8% | 28.2% | 35.6% |
| 2015–19 | 25.8% | 28.9% | 36.0% |
| 2020–24 | 22.8% | 28.3% | 34.8% |
| Change | −1.1 pts | +1.5 pts | +1.5 pts |
Only 22.8% of households in Humboldt County rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. More than half of owners (54.3%) have paid off their mortgages, well above the national share of 39.8%. Renting is most common in the center and least common in the southeast. The renter share has edged down 1.1 points since 2006–10, even as the national share rose.
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 Humboldt County
| Period | Humboldt County | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 9.2% | 8.7% | 11.4% |
| 2010–14 | 9.9% | 8.6% | 11.4% |
| 2015–19 | 11.9% | 9.4% | 11.1% |
| 2020–24 | 9.1% | 8.8% | 9.6% |
| Change | −0.1 pts | +0.1 pts | −1.8 pts |
Vacancy in Humboldt County is close to the national rate: 9.1% of homes are empty, against 9.6%. Compared with other Iowa counties, Humboldt County has a lower vacancy rate than most.
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 Humboldt County
| Period | Humboldt County | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 1954 | 1965 | 1974 |
| 2010–14 | 1956 | 1967 | 1975 |
| 2015–19 | 1956 | 1969 | 1977 |
| 2020–24 | 1959 | 1971 | 1980 |
| Change | +4 | +6 | +6 |
Humboldt 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. The median year built has moved up from 1954 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 Humboldt County
| Period | Humboldt County | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | $524 | $669 | $965 |
| 2010–14 | $583 | $732 | $1,040 |
| 2015–19 | $602 | $821 | $1,213 |
| 2020–24 | $798 | $1,020 | $1,571 |
| Change | +$274 | +$351 | +$606 |
A typical rental in Humboldt County costs $798 a month with utilities, well below the national median of $1,571. Rents are up $274 a month from 2006–10, a 52% rise, a slower climb than the nation's. Rent takes 28.9% of the typical renter's income, just under the 30% mark often used to define affordable rent. Rents run highest in the southeast and lowest in the northwest.
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 Humboldt County
Bachelor's degrees in Humboldt County
| Period | Humboldt County | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 16.2% | 26.5% | 28.4% |
| 2010–14 | 17.2% | 27.9% | 29.6% |
| 2015–19 | 21.3% | 29.3% | 32.1% |
| 2020–24 | 19.5% | 32.3% | 35.6% |
| Change | +3.4 pts | +5.8 pts | +7.2 pts |
Fewer adults in Humboldt County have a four-year degree than in the country as a whole: 19.5%, against 35.6% nationally. Since 2006–10, the share with a degree has risen 3.4 points, mirroring the country. College graduates are most concentrated in the center and least in the northeast.
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 Humboldt County
| Period | Humboldt County | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 88.9% | 90.4% | 84.9% |
| 2010–14 | 91.7% | 91.4% | 86.1% |
| 2015–19 | 92.8% | 92.1% | 87.7% |
| 2020–24 | 93.2% | 93.0% | 89.3% |
| Change | +4.3 pts | +2.7 pts | +4.3 pts |
High school completion in Humboldt County is above the national rate: 93.2% of adults have a diploma, against 89.3%. That is in line with the rest of Iowa. The share with a diploma has risen 4.3 points since 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 Humboldt County
| Period | Humboldt County | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 3.7% | 5.2% | 8.1% |
| 2010–14 | 5.0% | 5.4% | 9.4% |
| 2015–19 | 4.2% | 3.7% | 5.6% |
| 2020–24 | 5.7% | 3.7% | 5.4% |
| Change | +2.0 pts | −1.5 pts | −2.7 pts |
At 5.7%, unemployment in Humboldt County is close to the national rate of 5.4%. The rate is higher than in Iowa as a whole (3.7%). Unemployment has risen 2.0 points since 2006–10, even as the national rate fell.
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).
Humboldt 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Humboldt County | 2.25 | 43.3 | 13.3% | 22.8% | 9.1% | 1959 | $798 | 19.5% | 93.2% | 5.7% |
| Wright County | 2.41 | 40.1 | 13.4% | 23.0% | 14.6% | 1960 | $845 | 24.6% | 91.6% | 1.9% |
| Pocahontas County | 2.31 | 43.4 | 7.2% | 22.7% | 17.4% | 1950 | $801 | 19.0% | 90.7% | 5.4% |
| Buena Vista County | 2.67 | 36.9 | 10.7% | 26.8% | 8.7% | 1964 | $926 | 21.7% | 80.6% | 5.3% |
| Franklin County | 2.35 | 45.8 | 10.2% | 27.6% | 10.9% | 1950 | $730 | 19.5% | 90.2% | 3.6% |
| Cherokee County | 2.26 | 45.1 | 6.8% | 24.5% | 9.3% | 1957 | $750 | 24.5% | 93.2% | 2.5% |
| Butler County | 2.41 | 44.2 | 7.0% | 15.9% | 10.9% | 1957 | $743 | 21.5% | 94.0% | 3.0% |
| Bremer County | 2.49 | 38.7 | 8.7% | 20.3% | 8.2% | 1967 | $920 | 37.3% | 96.3% | 3.0% |
| Plymouth County | 2.49 | 41.9 | 8.8% | 26.4% | 6.0% | 1970 | $891 | 21.6% | 94.6% | 2.3% |
| Fayette County | 2.22 | 43.0 | 8.7% | 23.5% | 10.5% | 1951 | $860 | 20.7% | 92.8% | 3.8% |
| Union County | 2.33 | 41.0 | 7.4% | 26.9% | 4.2% | 1989 | $1,078 | 37.7% | 96.0% | 3.1% |
All figures 2020–24.
Counties with similar populations: Jasper County, MS · Issaquena County, MS · Izard County, AR · Jack County, TX · Jackson County, AR · Jackson County, CO · Jackson County, IA · Jackson County, KS · Jackson County, KY · Jackson County, SD
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 Humboldt 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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