Population 1,104 · Census ACS 2020–24
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Population and households in Delmar
Household size in Delmar
| Period | Delmar | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 2.45 | 2.44 | 2.68 |
| 2010–14 | 2.51 | 2.45 | 2.73 |
| 2015–19 | 2.26 | 2.43 | 2.71 |
| 2020–24 | 2.51 | 2.43 | 2.65 |
| Change | +0.06 | −0.01 | −0.03 |
The average household in Delmar has 2.51 people, a bit under the U.S. average of 2.65. Even so, the typical household here is bigger than in Iowa as a whole, where it has 2.43 people.
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 Delmar
| Period | Delmar | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 41.1 | 38.8 | 37.7 |
| 2010–14 | 43.4 | 39.3 | 38.6 |
| 2015–19 | 45.5 | 39.7 | 39.6 |
| 2020–24 | 41.3 | 39.8 | 40.1 |
| Change | +0.2 | +1.0 | +2.3 |
Half of the people in Delmar are younger than 41.3 and half are older, close to the national median of 40.1.
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 Delmar
| Period | Delmar | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 5.2% | 9.5% | 12.3% |
| 2010–14 | 8.5% | 9.9% | 12.3% |
| 2015–19 | 9.6% | 10.0% | 11.6% |
| 2020–24 | 4.4% | 10.0% | 11.6% |
| Change | −0.8 pts | +0.6 pts | −0.6 pts |
Single parents head only 4.4% of households in Delmar, well below the national share of 11.6%.
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 Delmar
Renters in Delmar
| Period | Delmar | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 17.5% | 26.8% | 33.3% |
| 2010–14 | 18.1% | 28.2% | 35.6% |
| 2015–19 | 15.8% | 28.9% | 36.0% |
| 2020–24 | 14.5% | 28.3% | 34.8% |
| Change | −3.0 pts | +1.5 pts | +1.5 pts |
Only 14.5% of households in Delmar rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 48.0% have no mortgage at all, above the national share of 39.8%. Since 2006–10, the renter share has fallen 3.0 points, but in a place this small, much of that may be survey noise rather than real change.
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 Delmar
| Period | Delmar | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 5.8% | 8.7% | 11.4% |
| 2010–14 | 7.7% | 8.6% | 11.4% |
| 2015–19 | 10.5% | 9.4% | 11.1% |
| 2020–24 | 8.2% | 8.8% | 9.6% |
| Change | +2.4 pts | +0.1 pts | −1.8 pts |
Vacancy in Delmar is close to the national rate: 8.2% of homes are empty, against 9.6%.
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 Delmar
| Period | Delmar | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 1948 | 1965 | 1974 |
| 2010–14 | 1952 | 1967 | 1975 |
| 2015–19 | 1948 | 1969 | 1977 |
| 2020–24 | 1951 | 1971 | 1980 |
| Change | +3 | +6 | +6 |
The housing in Delmar is old by national standards: the median home dates to 1951, 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 Delmar
| Period | Delmar | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | $550 | $669 | $965 |
| 2010–14 | $688 | $732 | $1,040 |
| 2015–19 | $544 | $821 | $1,213 |
| 2020–24 | $933 | $1,020 | $1,571 |
| Change | +$383 | +$351 | +$606 |
A typical rental in Delmar costs $933 a month with utilities, well below the national median of $1,571. Rent takes 22.5% 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 Delmar
Bachelor's degrees in Delmar
| Period | Delmar | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 19.2% | 26.5% | 28.4% |
| 2010–14 | 17.8% | 27.9% | 29.6% |
| 2015–19 | 18.8% | 29.3% | 32.1% |
| 2020–24 | 26.7% | 32.3% | 35.6% |
| Change | +7.5 pts | +5.8 pts | +7.2 pts |
College degrees are less common in Delmar than nationally: 26.7% of adults 25 and older have a bachelor's or higher, against 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 Delmar
| Period | Delmar | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 91.2% | 90.4% | 84.9% |
| 2010–14 | 93.2% | 91.4% | 86.1% |
| 2015–19 | 95.4% | 92.1% | 87.7% |
| 2020–24 | 95.6% | 93.0% | 89.3% |
| Change | +4.4 pts | +2.7 pts | +4.3 pts |
High school completion is high in Delmar: 95.6% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%.
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 Delmar
| Period | Delmar | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 3.8% | 5.2% | 8.1% |
| 2010–14 | 4.0% | 5.4% | 9.4% |
| 2015–19 | 1.3% | 3.7% | 5.6% |
| 2020–24 | 4.4% | 3.7% | 5.4% |
| Change | +0.6 pts | −1.5 pts | −2.7 pts |
Unemployment in Delmar runs below the national rate: 4.4% of the labor force was out of work and looking, against 5.4% nationally. Still, the rate is higher than in Iowa overall (3.7%). 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).
Delmar 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Delmar | 2.51 | 41.3 | 4.4% | 14.5% | 8.2% | 1951 | $933 | 26.7% | 95.6% | 4.4% |
| North Welton | 2.40 | 53.4 | 2.7% | 5.4% | 6.6% | 1938 | $975 | 24.0% | 97.0% | 4.5% |
| Petersville | 2.40 | 39.8 | 12.7% | 17.5% | 5.2% | 1955 | $797 | 16.6% | 95.3% | 6.8% |
| Welton | 2.36 | 49.0 | 4.8% | 12.2% | 5.3% | 1940 | $934 | 24.3% | 97.3% | 4.0% |
| Elwood | 2.49 | 40.3 | 3.8% | 12.0% | 7.9% | 1946 | $940 | 26.7% | 95.2% | 4.5% |
| Maquoketa | 2.40 | 44.5 | 9.9% | 26.3% | 7.3% | 1961 | $880 | 18.3% | 95.2% | 8.8% |
| Charlotte | 2.39 | 38.0 | 16.1% | 20.4% | 4.2% | 1952 | $712 | 13.5% | 96.2% | 8.7% |
| Hurstville | 2.21 | 49.5 | 2.9% | 7.1% | 8.3% | 1977 | $892 | 21.7% | 92.2% | 3.2% |
| Grand Mound | 2.26 | 40.0 | 6.0% | 21.1% | 2.4% | 1940 | $926 | 28.3% | 98.3% | 3.4% |
| Spragueville | 2.62 | 40.0 | 6.7% | 20.0% | 4.7% | 1959 | $923 | 11.8% | 95.3% | 1.1% |
| Lost Nation | 2.77 | 47.7 | 14.4% | 25.4% | 12.5% | 1943 | $893 | 12.9% | 95.3% | 1.8% |
All figures 2020–24.
Cities with similar populations: Illiopolis, IL · San Pierre, IN · Ryan, IA · Rohrersville, MD · Ridgeway, OH · Richmond, MA · Reynolds, IL · Lorimor, IA · Lore City, OH · Limehouse, SC
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 Delmar. 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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