Population 470 · Census ACS 2020–24
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Population and households in St. Lucas
Household size in St. Lucas
| Period | St. Lucas | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 2.43 | 2.44 | 2.68 |
| 2010–14 | 2.29 | 2.45 | 2.73 |
| 2015–19 | 2.67 | 2.43 | 2.71 |
| 2020–24 | 2.35 | 2.43 | 2.65 |
| Change | −0.08 | −0.01 | −0.03 |
St. Lucas is a place of small households, averaging 2.35 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. That is in line with the rest of Iowa.
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 St. Lucas
| Period | St. Lucas | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 45.3 | 38.8 | 37.7 |
| 2010–14 | 46.2 | 39.3 | 38.6 |
| 2015–19 | 43.3 | 39.7 | 39.6 |
| 2020–24 | 47.7 | 39.8 | 40.1 |
| Change | +2.4 | +1.0 | +2.3 |
With a median age of 47.7, St. Lucas is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees. The median age has climbed from 45.3 in 2006–10, but in a place this small, much of that may be survey noise rather than real change.
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 St. Lucas
| Period | St. Lucas | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 4.4% | 9.5% | 12.3% |
| 2010–14 | 2.9% | 9.9% | 12.3% |
| 2015–19 | 10.9% | 10.0% | 11.6% |
| 2020–24 | 4.4% | 10.0% | 11.6% |
| Change | +0.0 pts | +0.6 pts | −0.6 pts |
Single parents head only 4.4% of households in St. Lucas, 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 St. Lucas
Renters in St. Lucas
| Period | St. Lucas | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 8.7% | 26.8% | 33.3% |
| 2010–14 | 10.1% | 28.2% | 35.6% |
| 2015–19 | 19.9% | 28.9% | 36.0% |
| 2020–24 | 13.4% | 28.3% | 34.8% |
| Change | +4.7 pts | +1.5 pts | +1.5 pts |
St. Lucas is overwhelmingly a place of homeowners: only 13.4% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Nearly six in ten owners (57.6%) 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 St. Lucas
| Period | St. Lucas | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 3.3% | 8.7% | 11.4% |
| 2010–14 | 2.5% | 8.6% | 11.4% |
| 2015–19 | 5.7% | 9.4% | 11.1% |
| 2020–24 | 20.9% | 8.8% | 9.6% |
| Change | +17.6 pts | +0.1 pts | −1.8 pts |
Vacant homes make up 20.9% of the housing in St. Lucas, far above the national rate of 9.6%. In resort and lake areas that usually means seasonal and vacation homes; elsewhere it can point to weak demand.
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 St. Lucas
| Period | St. Lucas | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 1948 | 1965 | 1974 |
| 2010–14 | 1956 | 1967 | 1975 |
| 2015–19 | 1956 | 1969 | 1977 |
| 2020–24 | 1943 | 1971 | 1980 |
| Change | −5 | +6 | +6 |
The housing in St. Lucas is old by national standards: the median home dates to 1943, 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 St. Lucas
| Period | St. Lucas | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | $674 | $669 | $965 |
| 2010–14 | $622 | $732 | $1,040 |
| 2015–19 | $645 | $821 | $1,213 |
| 2020–24 | $786 | $1,020 | $1,571 |
| Change | +$112 | +$351 | +$606 |
Rent in St. Lucas runs $786 a month at the median, utilities included, well below the U.S. median of $1,571. The typical renter here spends 14.1% 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 St. Lucas
Bachelor's degrees in St. Lucas
| Period | St. Lucas | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 13.9% | 26.5% | 28.4% |
| 2010–14 | 14.7% | 27.9% | 29.6% |
| 2015–19 | 18.4% | 29.3% | 32.1% |
| 2020–24 | 18.7% | 32.3% | 35.6% |
| Change | +4.8 pts | +5.8 pts | +7.2 pts |
College degrees are relatively uncommon in St. Lucas: 18.7% 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 St. Lucas
| Period | St. Lucas | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 88.6% | 90.4% | 84.9% |
| 2010–14 | 88.5% | 91.4% | 86.1% |
| 2015–19 | 89.3% | 92.1% | 87.7% |
| 2020–24 | 96.8% | 93.0% | 89.3% |
| Change | +8.2 pts | +2.7 pts | +4.3 pts |
High school completion is high in St. Lucas: 96.8% 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 St. Lucas
| Period | St. Lucas | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 4.8% | 5.2% | 8.1% |
| 2010–14 | 1.1% | 5.4% | 9.4% |
| 2015–19 | 2.0% | 3.7% | 5.6% |
| 2020–24 | 1.1% | 3.7% | 5.4% |
| Change | −3.7 pts | −1.5 pts | −2.7 pts |
Unemployment in St. Lucas has been low: just 1.1% 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).
St. Lucas 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| St. Lucas | 2.35 | 47.7 | 4.4% | 13.4% | 20.9% | 1943 | $786 | 18.7% | 96.8% | 1.1% |
| Fort Atkinson | 2.37 | 39.6 | 8.2% | 16.0% | 13.4% | 1957 | $1,044 | 15.7% | 96.0% | 0.8% |
| Festina | 2.47 | 42.9 | 7.2% | 16.6% | 15.7% | 1952 | $1,066 | 23.4% | 95.5% | 0.8% |
| Waucoma | 2.41 | 44.0 | 5.8% | 25.5% | 10.6% | 1956 | $516 | 12.8% | 95.3% | 1.1% |
| Jackson Junction | 2.35 | 37.9 | 9.5% | 14.2% | 12.4% | 1961 | $1,094 | 11.7% | 95.9% | 0.8% |
| Hawkeye | 2.36 | 44.7 | 3.6% | 19.2% | 5.5% | 1939 | $657 | 11.2% | 91.6% | 1.9% |
| Alpha | 2.43 | 44.3 | 5.6% | 22.3% | 7.6% | 1956 | $590 | 15.3% | 93.4% | 1.3% |
| Calmar | 2.45 | 41.2 | 6.2% | 26.0% | 11.7% | 1962 | $896 | 24.1% | 97.5% | 0.5% |
| West Union | 2.20 | 41.7 | 12.0% | 34.0% | 14.6% | 1950 | $944 | 24.6% | 92.4% | 1.3% |
| Little Turkey | 2.19 | 47.4 | 3.6% | 16.1% | 4.4% | 1954 | $723 | 16.9% | 93.6% | 0.4% |
| Spillville | 2.32 | 38.8 | 4.0% | 32.8% | 7.1% | 1947 | $773 | 27.4% | 97.1% | 1.2% |
All figures 2020–24.
Cities with similar populations: Kampsville, IL · Roslyn, SD · Lakeway, AR · Knobtown, MS · Kipling, OH · Kingman, OH · Kimballton, IA · Killawog, NY · Keyes, OK · Kentontown, KY
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 St. Lucas. 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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