Population 939 · Census ACS 2020–24
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Population and households in Interlaken
Household size in Interlaken
| Period | Interlaken | New York area | New Jersey | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.15 | 2.79 | 2.77 | 2.68 |
| 2010–14 | 2.27 | 2.85 | 2.82 | 2.73 |
| 2015–19 | 2.18 | 2.82 | 2.78 | 2.71 |
| 2020–24 | 2.58 | 2.79 | 2.76 | 2.65 |
| Change | +0.43 | −0.00 | −0.01 | −0.03 |
At 2.58 people per household, Interlaken sits close to the national average of 2.65. The typical household here is smaller than in the New York area overall, where it has 2.79 people. Since 2006–10, household size has climbed from 2.15, 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 Interlaken
| Period | Interlaken | New York area | New Jersey | U.S. |
|---|---|---|---|---|
| 2006–10 | 52.2 | 38.0 | 39.1 | 37.7 |
| 2010–14 | 53.9 | 38.7 | 40.0 | 38.6 |
| 2015–19 | 57.4 | 39.8 | 41.0 | 39.6 |
| 2020–24 | 50.7 | 40.4 | 40.9 | 40.1 |
| Change | −1.5 | +2.4 | +1.8 | +2.3 |
Interlaken skews older: half of its residents are older than 50.7, 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 Interlaken
| Period | Interlaken | New York area | New Jersey | U.S. |
|---|---|---|---|---|
| 2006–10 | 1.7% | 13.1% | 11.6% | 12.3% |
| 2010–14 | 1.1% | 12.8% | 11.8% | 12.3% |
| 2015–19 | 4.7% | 11.4% | 10.8% | 11.6% |
| 2020–24 | 2.7% | 11.6% | 11.3% | 11.6% |
| Change | +1.1 pts | −1.5 pts | −0.4 pts | −0.6 pts |
Single parents head only 2.7% of households in Interlaken, 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 Interlaken
Renters in Interlaken
| Period | Interlaken | New York area | New Jersey | U.S. |
|---|---|---|---|---|
| 2006–10 | 8.4% | 47.1% | 33.1% | 33.3% |
| 2010–14 | 3.8% | 48.7% | 35.0% | 35.6% |
| 2015–19 | 5.0% | 48.8% | 36.1% | 36.0% |
| 2020–24 | 6.3% | 48.6% | 36.2% | 34.8% |
| Change | −2.1 pts | +1.5 pts | +3.1 pts | +1.5 pts |
Interlaken is overwhelmingly a place of homeowners: only 6.3% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 39.3% have no mortgage at all, about the same as nationally.
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 Interlaken
| Period | Interlaken | New York area | New Jersey | U.S. |
|---|---|---|---|---|
| 2006–10 | 4.3% | 9.1% | 9.1% | 11.4% |
| 2010–14 | 7.4% | 9.0% | 9.3% | 11.4% |
| 2015–19 | 15.3% | 9.1% | 9.3% | 11.1% |
| 2020–24 | 10.3% | 7.9% | 6.6% | 9.6% |
| Change | +6.1 pts | −1.2 pts | −2.5 pts | −1.8 pts |
About as many homes sit empty in Interlaken as nationally: 10.3%, against 9.6%. The rate is higher than in the New York area as a whole (7.9%).
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 Interlaken
| Period | Interlaken | New York area | New Jersey | U.S. |
|---|---|---|---|---|
| 2006–10 | 1938 | 1957 | 1965 | 1974 |
| 2010–14 | 1938 | 1958 | 1966 | 1975 |
| 2015–19 | 1938 | 1959 | 1967 | 1977 |
| 2020–24 | 1946 | 1962 | 1969 | 1980 |
| Change | +8 | +5 | +5 | +6 |
The housing in Interlaken is old by national standards: the median home dates to 1946, 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 Interlaken
| Period | Interlaken | New York area | New Jersey | U.S. |
|---|---|---|---|---|
| 2006–10 | $1,750 | $1,268 | $1,246 | $965 |
| 2010–14 | $2,001 | $1,377 | $1,324 | $1,040 |
| 2015–19 | $3,050 | $1,645 | $1,522 | $1,213 |
| 2020–24 | $2,750 | $2,060 | $1,896 | $1,571 |
| Change | +$1,000 | +$792 | +$651 | +$606 |
The median renter in Interlaken pays $2,750 a month for rent and utilities, well above the national median of $1,571. The typical renter here spends 25.8% 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 Interlaken
Bachelor's degrees in Interlaken
| Period | Interlaken | New York area | New Jersey | U.S. |
|---|---|---|---|---|
| 2006–10 | 65.4% | 35.0% | 34.7% | 28.4% |
| 2010–14 | 65.5% | 36.7% | 36.4% | 29.6% |
| 2015–19 | 68.8% | 39.9% | 39.6% | 32.1% |
| 2020–24 | 67.2% | 43.6% | 43.4% | 35.6% |
| Change | +1.8 pts | +8.6 pts | +8.6 pts | +7.2 pts |
Interlaken is highly educated: about two-thirds of adults 25 and older (67.2%) 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 Interlaken
| Period | Interlaken | New York area | New Jersey | U.S. |
|---|---|---|---|---|
| 2006–10 | 98.9% | 83.7% | 87.0% | 84.9% |
| 2010–14 | 97.4% | 84.6% | 88.1% | 86.1% |
| 2015–19 | 97.7% | 86.2% | 89.5% | 87.7% |
| 2020–24 | 98.9% | 86.9% | 90.2% | 89.3% |
| Change | −0.0 pts | +3.3 pts | +3.2 pts | +4.3 pts |
Finishing high school is nearly universal in Interlaken: 98.9% 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 Interlaken
| Period | Interlaken | New York area | New Jersey | U.S. |
|---|---|---|---|---|
| 2006–10 | 4.2% | 7.9% | 7.9% | 8.1% |
| 2010–14 | 3.6% | 9.5% | 9.8% | 9.4% |
| 2015–19 | 4.2% | 5.7% | 5.6% | 5.6% |
| 2020–24 | 3.7% | 6.9% | 6.4% | 5.4% |
| Change | −0.5 pts | −0.9 pts | −1.5 pts | −2.7 pts |
Jobs have been easier to find in Interlaken than nationally: unemployment was 3.7%, against 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).
Interlaken 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Interlaken | 2.58 | 50.7 | 2.7% | 6.3% | 10.3% | 1946 | $2,750 | 67.2% | 98.9% | 3.7% |
| Allenhurst | 2.70 | 49.1 | 5.4% | 22.7% | 33.9% | 1955 | $2,143 | 68.6% | 98.5% | 7.4% |
| Wanamassa | 2.91 | 40.8 | 5.5% | 12.7% | 8.8% | 1959 | $2,158 | 67.5% | 99.3% | 4.7% |
| Loch Arbour | 2.17 | 54.9 | 3.5% | 36.8% | 50.2% | 1938 | $1,570 | 66.7% | 98.7% | 14.6% |
| Asbury Park | 2.32 | 42.7 | 12.3% | 61.5% | 7.7% | 1972 | $1,606 | 44.0% | 90.0% | 5.7% |
| Deal | 2.63 | 47.9 | 5.2% | 28.6% | 65.1% | 1945 | $2,090 | 35.7% | 93.5% | 2.2% |
| Ocean Grove | 1.67 | 63.0 | 3.6% | 36.3% | 38.1% | 1938 | $1,819 | 67.6% | 97.3% | 4.7% |
| Oakhurst | 2.94 | 41.8 | 10.9% | 20.5% | 18.0% | 1964 | $2,862 | 47.5% | 96.3% | 6.5% |
| Bradley Beach | 1.91 | 47.9 | 4.4% | 51.5% | 30.5% | 1953 | $1,794 | 67.2% | 95.5% | 1.9% |
| Neptune | 2.78 | 41.5 | 15.2% | 31.8% | 6.5% | 1971 | $2,022 | 30.9% | 86.6% | 8.4% |
| Neptune City | 2.36 | 41.5 | 14.8% | 24.1% | 9.7% | 1954 | $2,018 | 30.6% | 92.1% | 2.3% |
All figures 2020–24.
Cities with similar populations: Yountsville, IN · Batesville, TX · Barryville, NY · Avon, NC · Avila Beach, CA · Arlington, OR · Arlington, IN · Antioch, AL · Andes, NY · Alba, MI
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 Interlaken. 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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