Population 3,104 · Census ACS 2020–24
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Population and households in ZIP 51023
Household size in ZIP 51023
| Period | ZIP 51023 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 2.54 | 2.44 | 2.68 |
| 2010–14 | 2.45 | 2.45 | 2.73 |
| 2015–19 | 2.73 | 2.43 | 2.71 |
| 2020–24 | 2.75 | 2.43 | 2.65 |
| Change | +0.22 | −0.01 | −0.03 |
The typical household in ZIP 51023 holds 2.75 people, slightly more than the U.S. average of 2.65. Since 2006–10, household size has climbed from 2.54, 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 51023
| Period | ZIP 51023 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 41.5 | 38.8 | 37.7 |
| 2010–14 | 41.6 | 39.3 | 38.6 |
| 2015–19 | 35.5 | 39.7 | 39.6 |
| 2020–24 | 37.2 | 39.8 | 40.1 |
| Change | −4.3 | +1.0 | +2.3 |
ZIP 51023 is younger than the country as a whole: its median age is 37.2, against 40.1 nationally.
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 51023
| Period | ZIP 51023 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 11.2% | 9.5% | 12.3% |
| 2010–14 | 11.6% | 9.9% | 12.3% |
| 2015–19 | 9.5% | 10.0% | 11.6% |
| 2020–24 | 8.3% | 10.0% | 11.6% |
| Change | −2.9 pts | +0.6 pts | −0.6 pts |
Single-parent households are relatively rare in ZIP 51023: 8.3% 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 51023
Renters in ZIP 51023
| Period | ZIP 51023 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 17.9% | 26.8% | 33.3% |
| 2010–14 | 24.2% | 28.2% | 35.6% |
| 2015–19 | 24.8% | 28.9% | 36.0% |
| 2020–24 | 31.0% | 28.3% | 34.8% |
| Change | +13.1 pts | +1.5 pts | +1.5 pts |
Most households in ZIP 51023 own their homes; 31.0% rent, a little below the national share of 34.8%. That is in line with the rest of Iowa. About half of owners (49.4%) have paid off their mortgages, 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 51023
| Period | ZIP 51023 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 11.9% | 8.7% | 11.4% |
| 2010–14 | 9.2% | 8.6% | 11.4% |
| 2015–19 | 11.4% | 9.4% | 11.1% |
| 2020–24 | 11.2% | 8.8% | 9.6% |
| Change | −0.7 pts | +0.1 pts | −1.8 pts |
A few more homes sit empty in ZIP 51023 than nationally: 11.2%, against 9.6%. The count includes vacation homes and homes between owners or tenants, not just abandoned ones.
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 51023
| Period | ZIP 51023 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 1949 | 1965 | 1974 |
| 2010–14 | 1958 | 1967 | 1975 |
| 2015–19 | 1961 | 1969 | 1977 |
| 2020–24 | 1961 | 1971 | 1980 |
| Change | +12 | +6 | +6 |
The housing in ZIP 51023 is old by national standards: the median home dates to 1961, against 1980 for the U.S., so buyers will find more older houses, some of them due for updates.
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 51023
| Period | ZIP 51023 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | $575 | $669 | $965 |
| 2010–14 | $522 | $732 | $1,040 |
| 2015–19 | $598 | $821 | $1,213 |
| 2020–24 | $956 | $1,020 | $1,571 |
| Change | +$380 | +$351 | +$606 |
A typical rental in ZIP 51023 costs $956 a month with utilities, well below the national median of $1,571. The typical renter here spends 18.7% 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 51023
Bachelor's degrees in ZIP 51023
| Period | ZIP 51023 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 11.1% | 26.5% | 28.4% |
| 2010–14 | 19.3% | 27.9% | 29.6% |
| 2015–19 | 16.3% | 29.3% | 32.1% |
| 2020–24 | 19.8% | 32.3% | 35.6% |
| Change | +8.7 pts | +5.8 pts | +7.2 pts |
Fewer adults in ZIP 51023 have a four-year degree than in the country as a whole: 19.8%, 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 ZIP 51023
| Period | ZIP 51023 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 79.3% | 90.4% | 84.9% |
| 2010–14 | 82.5% | 91.4% | 86.1% |
| 2015–19 | 80.3% | 92.1% | 87.7% |
| 2020–24 | 79.7% | 93.0% | 89.3% |
| Change | +0.3 pts | +2.7 pts | +4.3 pts |
About one in five adults in ZIP 51023 never finished high school, well above the national share: only 79.7% have a diploma or equivalent, against 89.3% nationally.
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 51023
| Period | ZIP 51023 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 2.4% | 5.2% | 8.1% |
| 2010–14 | 5.8% | 5.4% | 9.4% |
| 2015–19 | 8.8% | 3.7% | 5.6% |
| 2020–24 | 1.4% | 3.7% | 5.4% |
| Change | −1.0 pts | −1.5 pts | −2.7 pts |
Unemployment in ZIP 51023 has been low: just 1.4% 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 51023 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 51023 | 2.75 | 37.2 | 8.3% | 31.0% | 11.2% | 1961 | $956 | 19.8% | 79.7% | 1.4% |
| ZIP 51011 | 2.71 | 41.9 | 1.0% | 6.4% | 18.8% | 1961 | $923 | 27.3% | 89.4% | 0.0% |
| ZIP 57001 | 2.32 | 45.0 | 9.8% | 25.0% | 5.9% | 1966 | $753 | 25.2% | 92.2% | 1.2% |
| ZIP 51027 | 2.84 | 39.0 | 3.0% | 8.4% | 13.7% | 1963 | $1,075 | 26.0% | 94.0% | 0.2% |
| ZIP 57034 | 2.36 | 46.6 | 8.3% | 14.5% | 7.3% | 1942 | $890 | 18.8% | 91.4% | 0.6% |
| ZIP 51036 | 2.46 | 50.6 | 1.2% | 7.3% | 18.3% | 1959 | $713 | 21.7% | 96.6% | 0.1% |
| ZIP 51247 | 2.80 | 40.0 | 9.0% | 36.9% | 5.3% | 1973 | $1,153 | 16.9% | 87.5% | 0.5% |
| ZIP 51250 | 2.63 | 30.8 | 4.1% | 24.2% | 3.0% | 1980 | $857 | 40.3% | 91.2% | 1.1% |
| ZIP 57004 | 2.44 | 41.1 | 8.3% | 18.2% | 7.7% | 1965 | $954 | 29.2% | 93.9% | 1.0% |
| ZIP 51041 | 2.53 | 29.8 | 7.1% | 30.0% | 2.3% | 1978 | $812 | 45.6% | 96.1% | 2.2% |
| ZIP 51239 | 2.80 | 36.2 | 8.4% | 13.9% | 3.3% | 1975 | $1,002 | 21.9% | 91.1% | 1.8% |
All figures 2020–24.
Zip codes with similar populations: 03048, NH · 06093, CT · 06063, CT · 05679, VT · 05489, VT · 63037, MO · 95917, CA · 04742, ME · 04654, ME · 04048, ME
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 51023. 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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