Population 22,780 · Census ACS 2020–24
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Population and households in ZIP 51104
Household size in ZIP 51104
| Period | ZIP 51104 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 2.50 | 2.44 | 2.68 |
| 2010–14 | 2.65 | 2.45 | 2.73 |
| 2015–19 | 2.68 | 2.43 | 2.71 |
| 2020–24 | 2.67 | 2.43 | 2.65 |
| Change | +0.17 | −0.01 | −0.03 |
At 2.67 people per household, ZIP 51104 sits close to the national average of 2.65. The typical household here is bigger than in Iowa overall, where it has 2.43 people. Household size has climbed from 2.50 in 2006–10, even as the national average fell.
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 51104
| Period | ZIP 51104 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 37.8 | 38.8 | 37.7 |
| 2010–14 | 35.4 | 39.3 | 38.6 |
| 2015–19 | 34.3 | 39.7 | 39.6 |
| 2020–24 | 37.8 | 39.8 | 40.1 |
| Change | −0.0 | +1.0 | +2.3 |
ZIP 51104 is a little younger than the country as a whole: its median age is 37.8, against 40.1 nationally. Residents skew youngest in the southeast and oldest in the northwest.
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 51104
| Period | ZIP 51104 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 13.4% | 9.5% | 12.3% |
| 2010–14 | 13.6% | 9.9% | 12.3% |
| 2015–19 | 16.8% | 10.0% | 11.6% |
| 2020–24 | 17.6% | 10.0% | 11.6% |
| Change | +4.2 pts | +0.6 pts | −0.6 pts |
Single-parent households are common in ZIP 51104: 17.6% of all households, against 11.6% nationally. The single-parent share has risen 4.2 points since 2006–10, even as the national share fell. Only 11 of the 145 Iowa ZIP codes with 5,000+ people 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 ZIP 51104
Renters in ZIP 51104
| Period | ZIP 51104 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 32.2% | 26.8% | 33.3% |
| 2010–14 | 32.5% | 28.2% | 35.6% |
| 2015–19 | 36.4% | 28.9% | 36.0% |
| 2020–24 | 35.8% | 28.3% | 34.8% |
| Change | +3.6 pts | +1.5 pts | +1.5 pts |
Renting in ZIP 51104 is about as common as it is nationally: 35.8% of households rent, against 34.8%. Renters make up a bigger share here than in Iowa overall (28.3%). Among homeowners, 41.2% have no mortgage at all, about the same as nationally. The renter share has risen 3.6 points since 2006–10, mirroring the country.
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 51104
| Period | ZIP 51104 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 9.8% | 8.7% | 11.4% |
| 2010–14 | 6.8% | 8.6% | 11.4% |
| 2015–19 | 8.1% | 9.4% | 11.1% |
| 2020–24 | 5.7% | 8.8% | 9.6% |
| Change | −4.1 pts | +0.1 pts | −1.8 pts |
Vacancy is on the low side in ZIP 51104: 5.7% of homes sit empty, against 9.6% nationally, which points to steady demand for housing. Since 2006–10, vacancy has fallen 4.1 points, mirroring the country. ZIP 51104 has a lower vacancy rate than at least four in five Iowa ZIP codes.
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 51104
| Period | ZIP 51104 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 1959 | 1965 | 1974 |
| 2010–14 | 1959 | 1967 | 1975 |
| 2015–19 | 1959 | 1969 | 1977 |
| 2020–24 | 1955 | 1971 | 1980 |
| Change | −4 | +6 | +6 |
The housing in ZIP 51104 is old by national standards: the median home dates to 1955, against 1980 for the U.S., so buyers will find more older houses, some of them due for updates. Newer construction is concentrated in the northeast, while the south has the oldest housing. ZIP 51104 has older homes than at least four in five Iowa ZIP codes.
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 51104
| Period | ZIP 51104 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | $693 | $669 | $965 |
| 2010–14 | $725 | $732 | $1,040 |
| 2015–19 | $824 | $821 | $1,213 |
| 2020–24 | $1,082 | $1,020 | $1,571 |
| Change | +$388 | +$351 | +$606 |
A typical rental in ZIP 51104 costs $1,082 a month with utilities, well below the national median of $1,571. Still, rents here are higher than in Iowa overall ($1,020). Rents are up $388 a month from 2006–10, a 56% rise, a slower climb than the nation's. Rent takes 30.2% of the typical renter's income, just over the 30% mark often used to define affordable rent.
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 51104
Bachelor's degrees in ZIP 51104
| Period | ZIP 51104 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 31.7% | 26.5% | 28.4% |
| 2010–14 | 31.9% | 27.9% | 29.6% |
| 2015–19 | 29.6% | 29.3% | 32.1% |
| 2020–24 | 27.7% | 32.3% | 35.6% |
| Change | −4.0 pts | +5.8 pts | +7.2 pts |
More than a quarter of adults 25 and older in ZIP 51104 (27.7%) have a bachelor's degree or higher, below the national share of 35.6%. The share with a degree has fallen 4.0 points since 2006–10, even as the national share rose. College graduates are most concentrated in the northwest and least in the southeast.
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 51104
| Period | ZIP 51104 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 87.6% | 90.4% | 84.9% |
| 2010–14 | 86.9% | 91.4% | 86.1% |
| 2015–19 | 87.5% | 92.1% | 87.7% |
| 2020–24 | 89.6% | 93.0% | 89.3% |
| Change | +2.0 pts | +2.7 pts | +4.3 pts |
About as many adults in ZIP 51104 have finished high school as nationally: 89.6%, against 89.3%. The rate is lower than in Iowa as a whole (93.0%). The share with a diploma is up 2.0 points from 2006–10, in line with the national trend.
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 51104
| Period | ZIP 51104 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 6.9% | 5.2% | 8.1% |
| 2010–14 | 5.5% | 5.4% | 9.4% |
| 2015–19 | 3.3% | 3.7% | 5.6% |
| 2020–24 | 4.1% | 3.7% | 5.4% |
| Change | −2.8 pts | −1.5 pts | −2.7 pts |
Unemployment in ZIP 51104 runs below the national rate: 4.1% of the labor force was out of work and looking, against 5.4% nationally. Since 2006–10, unemployment has fallen 2.8 points, in line with the national trend. 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 51104 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 51104 | 2.67 | 37.8 | 17.6% | 35.8% | 5.7% | 1955 | $1,082 | 27.7% | 89.6% | 4.1% |
| ZIP 51105 | 3.07 | 30.4 | 23.0% | 50.8% | 13.5% | 1952 | $955 | 8.6% | 68.1% | 6.2% |
| ZIP 51101 | 1.61 | 40.5 | 22.2% | 97.3% | 16.8% | 1938 | $707 | 9.4% | 78.2% | 5.8% |
| ZIP 51103 | 2.67 | 35.0 | 16.9% | 34.0% | 9.4% | 1955 | $929 | 17.8% | 78.7% | 3.4% |
| ZIP 51108 | 2.73 | 40.6 | 11.9% | 19.7% | 5.9% | 1974 | $1,314 | 26.2% | 94.1% | 3.9% |
| ZIP 51109 | 2.56 | 38.2 | 13.1% | 16.0% | 4.6% | 1959 | $618 | 7.6% | 85.9% | 2.4% |
| ZIP 68776 | 2.97 | 32.8 | 13.9% | 42.0% | 6.7% | 1969 | $1,105 | 14.7% | 76.6% | 4.8% |
| ZIP 51106 | 2.49 | 36.5 | 12.8% | 28.9% | 7.8% | 1964 | $1,200 | 27.8% | 91.6% | 4.4% |
| ZIP 57049 | 2.35 | 40.7 | 5.1% | 35.0% | 2.8% | 2000 | $1,155 | 46.3% | 97.4% | 3.8% |
| ZIP 68731 | 3.05 | 35.1 | 7.0% | 20.0% | 3.3% | 1978 | $888 | 10.6% | 80.2% | 4.4% |
| ZIP 51024 | 2.59 | 47.5 | 4.9% | 15.7% | 3.1% | 1985 | $942 | 24.1% | 96.0% | 1.1% |
All figures 2020–24.
Zip codes with similar populations: 10708, NY · 11714, NY · 17057, PA · 19150, PA · 84097, UT · 48075, MI · 48088, MI · 50320, IA · 52246, IA · 53027, WI
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 51104. 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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