Population 486 · Census ACS 2020–24
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Population and households in Bertram
Household size in Bertram
| Period | Bertram | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 2.46 | 2.44 | 2.68 |
| 2010–14 | 2.75 | 2.45 | 2.73 |
| 2015–19 | 2.60 | 2.43 | 2.71 |
| 2020–24 | 2.57 | 2.43 | 2.65 |
| Change | +0.11 | −0.01 | −0.03 |
Households in Bertram run a little small, averaging 2.57 people against 2.65 nationally, which usually means more singles and couples and fewer children. Even so, the typical household here is bigger than in Iowa overall, where it has 2.43 people. Since 2006–10, household size has climbed from 2.46, 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 Bertram
| Period | Bertram | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 47.7 | 38.8 | 37.7 |
| 2010–14 | 45.8 | 39.3 | 38.6 |
| 2015–19 | 49.3 | 39.7 | 39.6 |
| 2020–24 | 58.9 | 39.8 | 40.1 |
| Change | +11.2 | +1.0 | +2.3 |
Bertram skews older: half of its residents are older than 58.9, 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 Bertram
| Period | Bertram | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 1.1% | 9.5% | 12.3% |
| 2010–14 | 10.6% | 9.9% | 12.3% |
| 2015–19 | 1.9% | 10.0% | 11.6% |
| 2020–24 | 1.8% | 10.0% | 11.6% |
| Change | +0.7 pts | +0.6 pts | −0.6 pts |
Single-parent households are relatively rare in Bertram: 1.8% 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 Bertram
Renters in Bertram
| Period | Bertram | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 3.9% | 26.8% | 33.3% |
| 2010–14 | 6.3% | 28.2% | 35.6% |
| 2015–19 | 4.5% | 28.9% | 36.0% |
| 2020–24 | 2.8% | 28.3% | 34.8% |
| Change | −1.1 pts | +1.5 pts | +1.5 pts |
Only 2.8% of households in Bertram rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 69.2% have no mortgage at all, 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 Bertram
| Period | Bertram | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 1.5% | 8.7% | 11.4% |
| 2010–14 | 2.8% | 8.6% | 11.4% |
| 2015–19 | 4.3% | 9.4% | 11.1% |
| 2020–24 | 11.6% | 8.8% | 9.6% |
| Change | +10.1 pts | +0.1 pts | −1.8 pts |
A few more homes sit empty in Bertram than nationally: 11.6%, 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 Bertram
| Period | Bertram | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 1976 | 1965 | 1974 |
| 2010–14 | 1989 | 1967 | 1975 |
| 2015–19 | 1983 | 1969 | 1977 |
| 2020–24 | 1987 | 1971 | 1980 |
| Change | +11 | +6 | +6 |
Homes in Bertram are newer than the national norm: the median home was built in 1987, versus 1980 across the U.S.
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 Bertram
| Period | Bertram | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | $1,625 | $669 | $965 |
| 2010–14 | $548 | $732 | $1,040 |
| 2015–19 | $595 | $821 | $1,213 |
| 2020–24 | $970 | $1,020 | $1,571 |
| Change | −$655 | +$351 | +$606 |
A typical rental in Bertram costs $970 a month with utilities, well below the national median of $1,571. Iowa as a whole looks much the same. Rent takes 23.7% 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 Bertram
Bachelor's degrees in Bertram
| Period | Bertram | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 35.4% | 26.5% | 28.4% |
| 2010–14 | 44.2% | 27.9% | 29.6% |
| 2015–19 | 35.3% | 29.3% | 32.1% |
| 2020–24 | 52.9% | 32.3% | 35.6% |
| Change | +17.6 pts | +5.8 pts | +7.2 pts |
Bertram is highly educated: just over half of adults 25 and older (52.9%) hold at least a bachelor's degree, far above 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 Bertram
| Period | Bertram | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 96.9% | 90.4% | 84.9% |
| 2010–14 | 96.9% | 91.4% | 86.1% |
| 2015–19 | 97.6% | 92.1% | 87.7% |
| 2020–24 | 97.7% | 93.0% | 89.3% |
| Change | +0.8 pts | +2.7 pts | +4.3 pts |
Finishing high school is nearly universal in Bertram: 97.7% 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 Bertram
| Period | Bertram | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 8.4% | 5.2% | 8.1% |
| 2010–14 | 2.8% | 5.4% | 9.4% |
| 2015–19 | 2.3% | 3.7% | 5.6% |
| 2020–24 | 2.3% | 3.7% | 5.4% |
| Change | −6.1 pts | −1.5 pts | −2.7 pts |
Unemployment in Bertram has been low: just 2.3% 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).
Bertram 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Bertram | 2.57 | 58.9 | 1.8% | 2.8% | 11.6% | 1987 | $970 | 52.9% | 97.7% | 2.3% |
| Ely | 2.77 | 37.7 | 9.6% | 15.5% | 5.4% | 1999 | $815 | 39.4% | 97.9% | 1.8% |
| Mount Vernon | 2.73 | 35.4 | 10.9% | 13.6% | 9.2% | 1972 | $815 | 40.4% | 92.1% | 1.3% |
| Marion | 2.51 | 41.3 | 10.5% | 22.2% | 7.2% | 1990 | $1,057 | 38.2% | 96.4% | 3.6% |
| Springville | 2.45 | 43.8 | 10.0% | 14.3% | 8.7% | 1978 | $1,071 | 26.5% | 96.2% | 3.1% |
| Cedar Rapids | 2.37 | 38.9 | 11.7% | 30.5% | 9.2% | 1975 | $1,091 | 32.7% | 93.9% | 3.5% |
| Lisbon | 2.50 | 41.8 | 8.2% | 17.8% | 7.7% | 1979 | $890 | 29.3% | 97.1% | 4.4% |
| Troy Mills | 2.70 | 43.0 | 5.1% | 8.7% | 5.2% | 2008 | $1,134 | 50.7% | 98.4% | 3.1% |
| Shueyville | 2.60 | 50.4 | 3.7% | 2.9% | 1.0% | 1988 | $1,203 | 45.8% | 99.1% | 1.8% |
| Hiawatha | 2.58 | 34.8 | 19.9% | 35.3% | 7.2% | 1986 | $955 | 29.9% | 94.1% | 4.1% |
| Sutliff | 2.38 | 56.4 | 5.9% | 16.4% | 11.8% | 1978 | $1,132 | 41.1% | 98.3% | 1.9% |
All figures 2020–24.
Cities with similar populations: Gerty, OK · Woodville, LA · Idell, NJ · Indian River, NY · Hughey, TN · Hopkinsburg, MI · Hope, ND · Upton, TX · Holston Valley, TN · Holland Crossroads, FL
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 Bertram. 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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