Population 1,413 · Census ACS 2020–24
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Population and households in ZIP 51638
Household size in ZIP 51638
| Period | ZIP 51638 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 2.31 | 2.44 | 2.68 |
| 2010–14 | 2.19 | 2.45 | 2.73 |
| 2015–19 | 2.21 | 2.43 | 2.71 |
| 2020–24 | 2.48 | 2.43 | 2.65 |
| Change | +0.17 | −0.01 | −0.03 |
Households in ZIP 51638 run small, averaging 2.48 people against 2.65 nationally, which usually means more singles and couples and fewer children. That is in line with the rest of Iowa. Since 2006–10, household size has climbed from 2.31, but in a place this small, survey estimates can swing a lot from one release to the next.
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 ZIP 51638
| Period | ZIP 51638 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 47.3 | 38.8 | 37.7 |
| 2010–14 | 46.9 | 39.3 | 38.6 |
| 2015–19 | 51.3 | 39.7 | 39.6 |
| 2020–24 | 47.4 | 39.8 | 40.1 |
| Change | +0.1 | +1.0 | +2.3 |
With a median age of 47.4, ZIP 51638 is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees.
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 ZIP 51638
| Period | ZIP 51638 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 10.5% | 9.5% | 12.3% |
| 2010–14 | 7.0% | 9.9% | 12.3% |
| 2015–19 | 7.3% | 10.0% | 11.6% |
| 2020–24 | 4.7% | 10.0% | 11.6% |
| Change | −5.8 pts | +0.6 pts | −0.6 pts |
Single-parent households are relatively rare in ZIP 51638: 4.7% of 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 ZIP 51638
Renters in ZIP 51638
| Period | ZIP 51638 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 23.0% | 26.8% | 33.3% |
| 2010–14 | 19.5% | 28.2% | 35.6% |
| 2015–19 | 20.8% | 28.9% | 36.0% |
| 2020–24 | 19.2% | 28.3% | 34.8% |
| Change | −3.8 pts | +1.5 pts | +1.5 pts |
Only 19.2% of households in ZIP 51638 rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 47.9% have no mortgage at all, 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 ZIP 51638
| Period | ZIP 51638 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 8.2% | 8.7% | 11.4% |
| 2010–14 | 5.4% | 8.6% | 11.4% |
| 2015–19 | 8.8% | 9.4% | 11.1% |
| 2020–24 | 5.8% | 8.8% | 9.6% |
| Change | −2.3 pts | +0.1 pts | −1.8 pts |
Vacancy is on the low side in ZIP 51638: 5.8% of homes sit empty, against 9.6% nationally, which points to steady demand for housing.
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 ZIP 51638
| Period | ZIP 51638 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 1948 | 1965 | 1974 |
| 2010–14 | 1950 | 1967 | 1975 |
| 2015–19 | 1949 | 1969 | 1977 |
| 2020–24 | 1956 | 1971 | 1980 |
| Change | +8 | +6 | +6 |
ZIP 51638 is a place of older homes: half were built before 1956, 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 ZIP 51638
| Period | ZIP 51638 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | $486 | $669 | $965 |
| 2010–14 | $524 | $732 | $1,040 |
| 2015–19 | $653 | $821 | $1,213 |
| 2020–24 | $605 | $1,020 | $1,571 |
| Change | +$119 | +$351 | +$606 |
The median renter in ZIP 51638 pays $605 a month for rent and utilities, well below the national median of $1,571. The typical renter here spends 21.3% 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 ZIP 51638
Bachelor's degrees in ZIP 51638
| Period | ZIP 51638 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 17.7% | 26.5% | 28.4% |
| 2010–14 | 18.8% | 27.9% | 29.6% |
| 2015–19 | 19.2% | 29.3% | 32.1% |
| 2020–24 | 26.0% | 32.3% | 35.6% |
| Change | +8.4 pts | +5.8 pts | +7.2 pts |
Just over a quarter of adults 25 and older in ZIP 51638 (26.0%) have a bachelor's degree or higher, below the national share of 35.6%.
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 ZIP 51638
| Period | ZIP 51638 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 94.6% | 90.4% | 84.9% |
| 2010–14 | 90.8% | 91.4% | 86.1% |
| 2015–19 | 91.5% | 92.1% | 87.7% |
| 2020–24 | 93.3% | 93.0% | 89.3% |
| Change | −1.3 pts | +2.7 pts | +4.3 pts |
High school completion in ZIP 51638 is above the national rate: 93.3% of adults have a diploma, against 89.3%. The picture is much the same across Iowa.
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 ZIP 51638
| Period | ZIP 51638 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 3.4% | 5.2% | 8.1% |
| 2010–14 | 7.7% | 5.4% | 9.4% |
| 2015–19 | 4.6% | 3.7% | 5.6% |
| 2020–24 | 1.2% | 3.7% | 5.4% |
| Change | −2.2 pts | −1.5 pts | −2.7 pts |
Unemployment in ZIP 51638 has been low: just 1.2% of the labor force was out of work and looking, well below the national rate of 5.4%. 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).
ZIP 51638 compared with nearby ZIP codes
| ZIP code | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| ZIP 51638 | 2.48 | 47.4 | 4.7% | 19.2% | 5.8% | 1956 | $605 | 26.0% | 93.3% | 1.2% |
| ZIP 51601 | 2.24 | 45.2 | 8.9% | 38.5% | 13.8% | 1953 | $736 | 19.7% | 94.4% | 5.9% |
| ZIP 51645 | 2.42 | 48.1 | 4.6% | 21.4% | 5.1% | 1946 | $917 | 22.9% | 91.9% | 1.6% |
| ZIP 51656 | 2.34 | 52.9 | 6.5% | 14.4% | 6.3% | 1938 | $694 | 18.4% | 94.7% | 7.4% |
| ZIP 51639 | 2.07 | 49.6 | 4.5% | 24.9% | 8.3% | 1952 | $798 | 17.8% | 94.4% | 1.5% |
| ZIP 51649 | 2.32 | 49.2 | 3.2% | 24.7% | 4.3% | 1944 | $864 | 24.9% | 91.8% | 1.4% |
| ZIP 51573 | 2.24 | 52.7 | 5.2% | 17.4% | 7.0% | 1949 | $774 | 27.5% | 96.2% | 2.0% |
| ZIP 51632 | 2.23 | 43.9 | 6.9% | 26.8% | 11.4% | 1955 | $647 | 17.6% | 91.7% | 4.4% |
| ZIP 50864 | 2.12 | 47.0 | 9.5% | 21.5% | 6.8% | 1960 | $757 | 18.0% | 93.0% | 1.1% |
| ZIP 51652 | 2.32 | 45.8 | 7.7% | 19.2% | 15.0% | 1964 | $769 | 18.5% | 92.3% | 0.6% |
| ZIP 51653 | 2.37 | 48.0 | 3.3% | 19.9% | 6.9% | 1965 | $413 | 27.9% | 91.7% | 0.5% |
All figures 2020–24.
Zip codes with similar populations: 74333, OK · 15542, PA · 15927, PA · 16639, PA · 16695, PA · 17037, PA · 22488, VA · 46570, IN · 72773, AR · 47611, IN
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 ZIP 51638. 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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