Population 46,808 · Census ACS 2020–24
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Population and households in Issaquah
Household size in Issaquah
| Period | Issaquah | Seattle area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.46 | 2.52 | 2.56 | 2.68 |
| 2010–14 | 2.47 | 2.59 | 2.62 | 2.73 |
| 2015–19 | 2.54 | 2.62 | 2.62 | 2.71 |
| 2020–24 | 2.51 | 2.60 | 2.61 | 2.65 |
| Change | +0.06 | +0.09 | +0.05 | −0.03 |
The average household in Issaquah has 2.51 people, a bit under the U.S. average of 2.65. Since 2006–10, household size has crept up from 2.46, even as the national average fell.
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 Issaquah
| Period | Issaquah | Seattle area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | 37.8 | 37.5 | 38.0 | 37.7 |
| 2010–14 | 40.2 | 38.1 | 38.7 | 38.6 |
| 2015–19 | 40.2 | 38.5 | 39.3 | 39.6 |
| 2020–24 | 40.5 | 38.8 | 39.6 | 40.1 |
| Change | +2.7 | +1.3 | +1.6 | +2.3 |
Half of the people in Issaquah are younger than 40.5 and half are older, close to the national median of 40.1. The population here is older than in the Seattle area as a whole, where the median age is 38.8. Since 2006–10, the median age has climbed from 37.8, mirroring the country.
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 Issaquah
| Period | Issaquah | Seattle area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | 7.8% | 10.3% | 10.9% | 12.3% |
| 2010–14 | 7.2% | 10.0% | 10.6% | 12.3% |
| 2015–19 | 6.7% | 9.2% | 10.1% | 11.6% |
| 2020–24 | 6.7% | 9.1% | 10.1% | 11.6% |
| Change | −1.1 pts | −1.2 pts | −0.8 pts | −0.6 pts |
Single-parent households are relatively rare in Issaquah: 6.7% of households, against 11.6% nationally. The single-parent share has edged down 1.1 points since 2006–10, mirroring the country.
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 Issaquah
Renters in Issaquah
| Period | Issaquah | Seattle area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | 30.3% | 37.7% | 35.2% | 33.3% |
| 2010–14 | 34.7% | 40.0% | 37.3% | 35.6% |
| 2015–19 | 34.5% | 39.9% | 37.0% | 36.0% |
| 2020–24 | 37.2% | 40.0% | 36.2% | 34.8% |
| Change | +6.8 pts | +2.3 pts | +1.0 pts | +1.5 pts |
More than a third of households in Issaquah rent their homes (37.2%), close to the national share of 34.8%. About a quarter of owners (25.7%) have paid off their mortgages, well below the national share of 39.8%. Rentals cluster in the center; owners are most common in the southeast. Since 2006–10, the renter share has risen 6.8 points, a much bigger shift than 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 Issaquah
| Period | Issaquah | Seattle area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | 8.3% | 7.9% | 9.2% | 11.4% |
| 2010–14 | 6.1% | 7.8% | 9.2% | 11.4% |
| 2015–19 | 5.5% | 6.8% | 8.2% | 11.1% |
| 2020–24 | 5.3% | 6.6% | 7.6% | 9.6% |
| Change | −2.9 pts | −1.3 pts | −1.6 pts | −1.8 pts |
Only 5.3% of homes in Issaquah are vacant, far below the national rate of 9.6%, which usually means strong demand for housing. The Seattle area as a whole looks much the same. Since 2006–10, vacancy has fallen 2.9 points, as it has nationally.
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 Issaquah
| Period | Issaquah | Seattle area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | 1989 | 1977 | 1977 | 1974 |
| 2010–14 | 1993 | 1978 | 1979 | 1975 |
| 2015–19 | 1994 | 1980 | 1980 | 1977 |
| 2020–24 | 1997 | 1983 | 1984 | 1980 |
| Change | +7 | +7 | +6 | +6 |
Issaquah has newer housing than the country as a whole: the median home was built in 1997, versus 1980 nationally. The median year built has moved up from 1989 in 2006–10, a sign of steady new building. Issaquah has newer homes than at least four in five Washington cities.
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 Issaquah
| Period | Issaquah | Seattle area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | $1,375 | $1,162 | $1,018 | $965 |
| 2010–14 | $1,590 | $1,284 | $1,127 | $1,040 |
| 2015–19 | $2,119 | $1,644 | $1,390 | $1,213 |
| 2020–24 | $2,722 | $2,193 | $1,875 | $1,571 |
| Change | +$1,346 | +$1,031 | +$858 | +$606 |
A typical rental in Issaquah costs $2,722 a month with utilities, well above the national median of $1,571. Rent has climbed $1,346 a month since 2006–10, up 98%, faster than rents rose nationally. The typical renter here spends 29.0% of household income on rent, just under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally. Rents run highest in the northeast and lowest in the south.
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 Issaquah
Bachelor's degrees in Issaquah
| Period | Issaquah | Seattle area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | 60.8% | 36.7% | 31.0% | 28.4% |
| 2010–14 | 60.4% | 38.0% | 32.1% | 29.6% |
| 2015–19 | 64.3% | 42.3% | 35.5% | 32.1% |
| 2020–24 | 70.6% | 46.3% | 38.8% | 35.6% |
| Change | +9.8 pts | +9.6 pts | +7.8 pts | +7.2 pts |
College graduates are unusually common in Issaquah: 70.6% of adults 25 and older have a bachelor's degree or higher, against 35.6% nationally. Education tends to track local incomes and the kinds of jobs nearby. Since 2006–10, the share with a degree has risen 9.8 points, as it has nationally. Only seven of the 219 Washington cities with 5,000+ people have a higher share of college graduates.
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 Issaquah
| Period | Issaquah | Seattle area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | 96.4% | 91.3% | 89.5% | 84.9% |
| 2010–14 | 98.0% | 91.6% | 90.0% | 86.1% |
| 2015–19 | 96.2% | 92.5% | 91.0% | 87.7% |
| 2020–24 | 97.8% | 93.1% | 91.9% | 89.3% |
| Change | +1.3 pts | +1.8 pts | +2.4 pts | +4.3 pts |
Finishing high school is nearly universal in Issaquah: 97.8% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%. Since 2006–10, the share with a diploma has edged up 1.3 points, a smaller shift than nationally. Only 12 of the 219 Washington cities with 5,000+ people have a higher share of high school graduates.
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 Issaquah
| Period | Issaquah | Seattle area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | 5.7% | 6.9% | 7.6% | 8.1% |
| 2010–14 | 5.9% | 8.3% | 8.9% | 9.4% |
| 2015–19 | 3.7% | 4.5% | 5.1% | 5.6% |
| 2020–24 | 3.9% | 5.0% | 5.1% | 5.4% |
| Change | −1.8 pts | −2.0 pts | −2.5 pts | −2.7 pts |
Unemployment in Issaquah runs below the national rate: 3.9% of the labor force was out of work and looking, against 5.4% nationally. Since 2006–10, unemployment has fallen 1.8 points, mirroring the country. 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).
Issaquah 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Issaquah | 2.51 | 40.5 | 6.7% | 37.2% | 5.3% | 1997 | $2,722 | 70.6% | 97.8% | 3.9% |
| Klahanie | 2.95 | 40.3 | 9.3% | 28.9% | 4.3% | 1992 | $2,948 | 71.3% | 97.7% | 3.6% |
| Preston | 2.13 | 51.1 | 7.9% | 2.7% | 2.1% | 1990 | $3,292 | 71.3% | 99.4% | 0.5% |
| Sammamish | 3.01 | 41.2 | 4.4% | 15.0% | 4.0% | 1995 | $3,033 | 78.6% | 97.6% | 2.9% |
| Upper Preston | 2.63 | 45.0 | 4.4% | 8.5% | 5.0% | 1986 | $2,313 | 58.1% | 89.7% | 9.5% |
| East Renton Highlands | 3.10 | 39.3 | 6.1% | 12.0% | 3.3% | 1988 | $2,818 | 51.2% | 93.7% | 5.3% |
| Newcastle | 2.46 | 38.2 | 5.1% | 38.2% | 6.6% | 2001 | $2,677 | 67.7% | 97.8% | 5.4% |
| Fall City | 2.72 | 44.5 | 3.6% | 8.8% | 6.8% | 1988 | $2,764 | 66.3% | 98.0% | 2.9% |
| Bellevue | 2.52 | 39.7 | 6.1% | 48.4% | 6.7% | 1982 | $2,794 | 72.0% | 95.5% | 4.2% |
| Renton | 2.65 | 38.3 | 11.2% | 45.9% | 6.3% | 1984 | $2,243 | 38.2% | 88.5% | 5.0% |
| Fairwood | 2.62 | 41.0 | 8.3% | 24.6% | 5.9% | 1982 | $2,522 | 49.6% | 95.2% | 4.9% |
All figures 2020–24.
Cities with similar populations: Shelby, NC · Johnstown, PA · Kalispell, MT · Lake City, FL · Lake Mary, FL · Lake Oswego, OR · Lake Ridge, VA · Lancaster, SC · Lititz, PA · Mableton, GA
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 Issaquah. 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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