Population 144 · Census ACS 2020–24
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Population and households in Delphos
Household size in Delphos
| Period | Delphos | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 2.40 | 2.44 | 2.68 |
| 2010–14 | 2.67 | 2.45 | 2.73 |
| 2015–19 | 2.61 | 2.43 | 2.71 |
| 2020–24 | 2.25 | 2.43 | 2.65 |
| Change | −0.15 | −0.01 | −0.03 |
Households in Delphos 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. Since 2006–10, household size has dropped from 2.40, 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 Delphos
| Period | Delphos | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 43.7 | 38.8 | 37.7 |
| 2010–14 | 40.5 | 39.3 | 38.6 |
| 2015–19 | 34.0 | 39.7 | 39.6 |
| 2020–24 | 50.9 | 39.8 | 40.1 |
| Change | +7.2 | +1.0 | +2.3 |
Delphos skews older: half of its residents are older than 50.9, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families.
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 Delphos
| Period | Delphos | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 8.3% | 9.5% | 12.3% |
| 2010–14 | 9.5% | 9.9% | 12.3% |
| 2015–19 | 9.8% | 10.0% | 11.6% |
| 2020–24 | 12.2% | 10.0% | 11.6% |
| Change | +3.9 pts | +0.6 pts | −0.6 pts |
Single parents head about one in eight households in Delphos (12.2%), close to the national share of 11.6%. Single parents are more common here than in Iowa overall (10.0%).
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 Delphos
Renters in Delphos
| Period | Delphos | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 18.4% | 26.8% | 33.3% |
| 2010–14 | 21.3% | 28.2% | 35.6% |
| 2015–19 | 16.9% | 28.9% | 36.0% |
| 2020–24 | 8.6% | 28.3% | 34.8% |
| Change | −9.9 pts | +1.5 pts | +1.5 pts |
Delphos is overwhelmingly a place of homeowners: only 8.6% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Just over six in ten owners (63.0%) have paid off their mortgages, 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 Delphos
| Period | Delphos | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 6.5% | 8.7% | 11.4% |
| 2010–14 | 13.0% | 8.6% | 11.4% |
| 2015–19 | 9.9% | 9.4% | 11.1% |
| 2020–24 | 11.1% | 8.8% | 9.6% |
| Change | +4.6 pts | +0.1 pts | −1.8 pts |
Vacancy in Delphos is close to the national rate: 11.1% of homes are empty, against 9.6%. The rate is higher than in Iowa overall (8.8%).
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 Delphos
| Period | Delphos | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 1957 | 1965 | 1974 |
| 2010–14 | 1955 | 1967 | 1975 |
| 2015–19 | 1970 | 1969 | 1977 |
| 2020–24 | 1944 | 1971 | 1980 |
| Change | −13 | +6 | +6 |
The housing in Delphos is old by national standards: the median home dates to 1944, 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 Delphos
| Period | Delphos | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | $448 | $669 | $965 |
| 2010–14 | $526 | $732 | $1,040 |
| 2015–19 | $728 | $821 | $1,213 |
| 2020–24 | $714 | $1,020 | $1,571 |
| Change | +$267 | +$351 | +$606 |
A typical rental in Delphos costs $714 a month with utilities, well below the national median of $1,571. Rent takes 20.7% of the typical renter's income, comfortably under 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 Delphos
Bachelor's degrees in Delphos
| Period | Delphos | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 14.5% | 26.5% | 28.4% |
| 2010–14 | 16.1% | 27.9% | 29.6% |
| 2015–19 | 20.2% | 29.3% | 32.1% |
| 2020–24 | 14.7% | 32.3% | 35.6% |
| Change | +0.2 pts | +5.8 pts | +7.2 pts |
College degrees are relatively uncommon in Delphos: 14.7% of adults 25 and older hold a bachelor's or higher, well 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 Delphos
| Period | Delphos | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 88.0% | 90.4% | 84.9% |
| 2010–14 | 84.8% | 91.4% | 86.1% |
| 2015–19 | 97.5% | 92.1% | 87.7% |
| 2020–24 | 93.7% | 93.0% | 89.3% |
| Change | +5.7 pts | +2.7 pts | +4.3 pts |
High school completion in Delphos is above the national rate: 93.7% 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 Delphos
| Period | Delphos | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 4.7% | 5.2% | 8.1% |
| 2010–14 | 2.3% | 5.4% | 9.4% |
| 2015–19 | 3.9% | 3.7% | 5.6% |
| 2020–24 | 1.3% | 3.7% | 5.4% |
| Change | −3.4 pts | −1.5 pts | −2.7 pts |
Unemployment in Delphos has been low: just 1.3% of the labor force was out of work and looking, well below the national rate of 5.4%. 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).
Delphos compared with nearby cities
| City | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Delphos | 2.25 | 50.9 | 12.2% | 8.6% | 11.1% | 1944 | $714 | 14.7% | 93.7% | 1.3% |
| Redding | 2.19 | 58.0 | 17.9% | 2.1% | 8.7% | 1939 | $694 | 8.5% | 94.4% | 0.2% |
| Benton | 2.34 | 40.5 | 3.7% | 17.7% | 14.9% | 1947 | $763 | 25.2% | 93.3% | 1.7% |
| Mount Ayr | 2.50 | 41.8 | 8.8% | 27.4% | 15.1% | 1959 | $722 | 27.4% | 95.2% | 3.6% |
| Maloy | 2.33 | 40.9 | 3.8% | 17.9% | 15.1% | 1947 | $763 | 24.7% | 93.2% | 1.6% |
| Irena | 2.06 | 57.8 | 4.6% | 17.0% | 25.5% | 1969 | $333 | 30.1% | 96.0% | 0.0% |
| Platteville | 2.01 | 54.9 | 9.9% | 16.4% | 16.3% | 1954 | $751 | 11.3% | 91.9% | 0.7% |
| Allendale | 1.87 | 63.3 | 8.3% | 13.9% | 21.6% | 1965 | $392 | 29.2% | 96.8% | 0.1% |
| Blockton | 1.90 | 54.8 | 6.9% | 22.7% | 19.7% | 1961 | $775 | 11.3% | 90.7% | 0.9% |
| Diagonal | 2.34 | 40.5 | 3.7% | 17.7% | 14.9% | 1947 | $763 | 25.2% | 93.3% | 1.7% |
| Grant City | 2.45 | 40.9 | 16.1% | 18.7% | 23.3% | 1952 | $455 | 13.9% | 94.0% | 2.5% |
All figures 2020–24.
Cities with similar populations: Plateau City, CO · Mineral, CA · Minisink Hills, PA · Minnehaha Springs, WV · Minorca, LA · Mitchell, LA · Mondovi, WA · Mosherville, PA · Mosquero, NM · Museville, OH
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 Delphos. 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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