Population 516,959 · Census ACS 2020–24
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Population and households in Clark County
Household size in Clark County
| Period | Clark County | Portland area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.71 | 2.57 | 2.56 | 2.68 |
| 2010–14 | 2.76 | 2.63 | 2.62 | 2.73 |
| 2015–19 | 2.73 | 2.63 | 2.62 | 2.71 |
| 2020–24 | 2.69 | 2.51 | 2.61 | 2.65 |
| Change | −0.02 | −0.06 | +0.05 | −0.03 |
At 2.69 people per household, Clark County sits close to the national average of 2.65. The typical household here is bigger than in the wider Portland area, where it has 2.51 people. The biggest households, usually families with children, are concentrated in the east.
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 Clark County
| Period | Clark County | Portland area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | 37.0 | 37.3 | 38.0 | 37.7 |
| 2010–14 | 38.1 | 38.3 | 38.7 | 38.6 |
| 2015–19 | 39.1 | 39.3 | 39.3 | 39.6 |
| 2020–24 | 39.7 | 41.0 | 39.6 | 40.1 |
| Change | +2.7 | +3.7 | +1.6 | +2.3 |
Half of the people in Clark County are younger than 39.7 and half are older, close to the national median of 40.1. The median age has climbed from 37.0 in 2006–10, mirroring the country. The youngest areas are in the center, the oldest in the southeast.
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 Clark County
| Period | Clark County | Portland area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | 11.9% | 10.5% | 10.9% | 12.3% |
| 2010–14 | 11.0% | 10.3% | 10.6% | 12.3% |
| 2015–19 | 10.2% | 9.4% | 10.1% | 11.6% |
| 2020–24 | 10.5% | 9.5% | 10.1% | 11.6% |
| Change | −1.4 pts | −1.0 pts | −0.8 pts | −0.6 pts |
Single parents head about one in ten households in Clark County (10.5%), a little below the national share of 11.6%. That is in line with the rest of the Portland area. Since 2006–10, the single-parent share has edged down 1.4 points, 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 Clark County
Renters in Clark County
| Period | Clark County | Portland area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | 32.2% | 36.6% | 35.2% | 33.3% |
| 2010–14 | 35.1% | 39.1% | 37.3% | 35.6% |
| 2015–19 | 33.0% | 37.6% | 37.0% | 36.0% |
| 2020–24 | 33.6% | 38.3% | 36.2% | 34.8% |
| Change | +1.4 pts | +1.7 pts | +1.0 pts | +1.5 pts |
About a third of households in Clark County rent their homes (33.6%), close to the national share of 34.8%. Renters make up a smaller share here than in the Portland area as a whole (38.3%). Just over three in ten owners (31.0%) have paid off their mortgages, below the national share of 39.8%. The renter share is up 1.4 points from 2006–10, as it has 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 Clark County
| Period | Clark County | Portland area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | 7.2% | 7.4% | 9.2% | 11.4% |
| 2010–14 | 6.5% | 6.8% | 9.2% | 11.4% |
| 2015–19 | 5.5% | 6.1% | 8.2% | 11.1% |
| 2020–24 | 5.3% | 7.1% | 7.6% | 9.6% |
| Change | −1.9 pts | −0.3 pts | −1.6 pts | −1.8 pts |
Empty homes are scarce in Clark County: just 5.3% sit vacant, compared with 9.6% nationally, a sign of a tight housing market. Vacancy is down 1.9 points from 2006–10, mirroring the country. No other Washington county has a lower vacancy rate.
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 Clark County
| Period | Clark County | Portland area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | 1986 | 1977 | 1977 | 1974 |
| 2010–14 | 1987 | 1978 | 1979 | 1975 |
| 2015–19 | 1989 | 1980 | 1980 | 1977 |
| 2020–24 | 1992 | 1981 | 1984 | 1980 |
| Change | +5 | +4 | +6 | +6 |
Clark County has newer housing than the country as a whole: the median home was built in 1992, versus 1980 nationally. The median year built has moved up from 1986 in 2006–10, a sign of steady new building. Newer construction is concentrated in the north, while the west has the oldest housing. No other Washington county has newer homes.
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 Clark County
| Period | Clark County | Portland area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | $1,015 | $961 | $1,018 | $965 |
| 2010–14 | $1,148 | $1,105 | $1,127 | $1,040 |
| 2015–19 | $1,414 | $1,374 | $1,390 | $1,213 |
| 2020–24 | $1,937 | $1,794 | $1,875 | $1,571 |
| Change | +$922 | +$833 | +$858 | +$606 |
The median renter in Clark County pays $1,937 a month for rent and utilities, well above the national median of $1,571. Rents are up $922 a month from 2006–10, a 91% jump, faster than rents rose nationally. Rent takes 30.2% of the typical renter's income, just over the 30% mark often used to define affordable rent. Renters on a budget will find the lowest rents in the south; the highest are in the east.
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 Clark County
Bachelor's degrees in Clark County
| Period | Clark County | Portland area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | 26.0% | 33.3% | 31.0% | 28.4% |
| 2010–14 | 26.5% | 34.5% | 32.1% | 29.6% |
| 2015–19 | 30.5% | 39.2% | 35.5% | 32.1% |
| 2020–24 | 33.0% | 42.6% | 38.8% | 35.6% |
| Change | +7.1 pts | +9.3 pts | +7.8 pts | +7.2 pts |
College degrees are about as common in Clark County as nationally: 33.0% of adults 25 and older have a bachelor's or higher, against 35.6%. The share is lower than in the wider Portland area (42.6%). Since 2006–10, the share with a degree has risen 7.1 points, as it has nationally.
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 Clark County
| Period | Clark County | Portland area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | 90.9% | 90.0% | 89.5% | 84.9% |
| 2010–14 | 91.1% | 90.6% | 90.0% | 86.1% |
| 2015–19 | 92.6% | 91.9% | 91.0% | 87.7% |
| 2020–24 | 92.4% | 93.2% | 91.9% | 89.3% |
| Change | +1.6 pts | +3.2 pts | +2.4 pts | +4.3 pts |
About nine in ten adults in Clark County have finished high school (92.4%), a bit above the national rate of 89.3%. The Portland area as a whole looks much the same. Since 2006–10, the share with a diploma has risen 1.6 points, as it has nationally.
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 Clark County
| Period | Clark County | Portland area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | 9.2% | 8.6% | 7.6% | 8.1% |
| 2010–14 | 9.9% | 9.6% | 8.9% | 9.4% |
| 2015–19 | 4.8% | 4.7% | 5.1% | 5.6% |
| 2020–24 | 5.1% | 4.6% | 5.1% | 5.4% |
| Change | −4.1 pts | −4.0 pts | −2.5 pts | −2.7 pts |
At 5.1%, unemployment in Clark County is close to the national rate of 5.4%. Unemployment is down 4.1 points from 2006–10, as it has nationally. 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).
Clark County compared with nearby counties
| County | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Clark County | 2.69 | 39.7 | 10.5% | 33.6% | 5.3% | 1992 | $1,937 | 33.0% | 92.4% | 5.1% |
| Multnomah County | 2.34 | 39.4 | 10.2% | 46.6% | 6.7% | 1969 | $1,755 | 47.6% | 91.9% | 5.6% |
| Skamania County | 2.50 | 48.8 | 7.9% | 20.0% | 10.0% | 1985 | $1,067 | 29.9% | 93.6% | 5.5% |
| Hood River County | 2.65 | 41.7 | 9.7% | 30.6% | 14.8% | 1983 | $1,545 | 41.8% | 87.1% | 3.5% |
| Wasco County | 2.41 | 43.2 | 8.7% | 32.5% | 12.6% | 1970 | $1,125 | 22.0% | 85.7% | 8.0% |
| Klickitat County | 2.36 | 47.0 | 8.1% | 23.3% | 9.5% | 1984 | $1,191 | 31.0% | 89.4% | 5.8% |
| Sherman County | 2.40 | 43.8 | 9.4% | 34.1% | 17.0% | 1960 | $1,021 | 16.0% | 91.1% | 0.9% |
| Morrow County | 2.92 | 37.2 | 13.0% | 28.4% | 10.1% | 1982 | $1,064 | 9.9% | 74.9% | 2.3% |
| Gallatin County | 2.36 | 36.0 | 5.7% | 38.9% | 10.0% | 1996 | $1,744 | 54.6% | 97.2% | 2.4% |
| Park County | 2.15 | 46.7 | 10.3% | 30.6% | 11.2% | 1977 | $1,205 | 39.5% | 96.1% | 2.6% |
| Stillwater County | 2.43 | 46.6 | 5.0% | 17.1% | 15.5% | 1986 | $1,036 | 31.9% | 95.4% | 3.0% |
All figures 2020–24.
Counties with similar populations: Hampden County, MA · Placer County, CA · Pinal County, AZ · Plymouth County, MA · Pasco County, FL · Richland County, SC · Richmond County, NY · Santa Barbara County, CA · Lucas County, OH · Sedgwick County, KS
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 Clark County. 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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