Census tract · Cowlitz County
Census Tract 18, Cowlitz County, Washington
Census Tract 18, GEOID 53015001800, in Cowlitz County, Washington, outside any city, town or census-designated place. 1,989 residents in the ACS 2020-2024 5-year estimates (±295); the 2020 Census counted 2,144.
Residents, 2020-2024
1,989
±295 (90% margin)
2020 Census count: 2,144
Median household income
$86,190
±$11,218 (90% margin)
Cowlitz County: $76,531
Median home value
$339,100
±$52,027 (90% margin)
Cowlitz County: $397,500
Median gross rent
$867
±$813 (90% margin)
Cowlitz County: $1,206
Where is Census Tract 18?
Census Tract 18 is one of 30 census tracts in Cowlitz County, Washington. It covers 443.73 square miles of land, 5 residents per square mile in 2020. Its GEOID, 53015001800, names it uniquely (how tract numbers and GEOIDs work).
7 census tracts border Census Tract 18: Tract 15.01 ($92,824), Tract 17 ($95,472), Tract 20.03 ($82,159), Tract 20.04 ($96,378), Tract 9717 in Lewis County ($59,861), Tract 9719 in Lewis County ($60,904) and Tract 9501 in Skamania County. The figure in brackets is each tract's median household income.
Whether a tract counts as low- or moderate-income for bank lending (the Community Reinvestment Act) is set by the FFIEC against its metro area's family income: look it up in the FFIEC census geocoder.
Source: 2024 Gazetteer and 2020 block assignment files, U.S. Census Bureau · Census reference files
How many people live in Census Tract 18?
The 2020-2024 American Community Survey puts Census Tract 18's population at 1,989 (±295) in 769 households; the 2020 Census counted 2,144 residents and 907 housing units.
| Measure | Tract 18 | Cowlitz County |
|---|---|---|
| Total population | 1,989 ±295 | 112,360 |
| Households | 769 ±91 | 43,943 |
| Average household size | 2.59 ±0.36 | 2.53 |
| Housing units | 844 ±101 | 46,422 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Census Tract 18?
The median resident of Census Tract 18 is 43.6 years old; 21.6% are under 18 and 22.4% are 65 or older. The largest group is non-Hispanic white residents at 77.1%, then Hispanic or Latino residents (of any race) at 11.6%.
| Measure | Tract 18 | Cowlitz County |
|---|---|---|
| Median age | 43.6 ±12.5 | 41.5 |
| Under 18 years | 21.6% ±5.9 pts | 22.5% |
| 65 years and over | 22.4% ±5.3 pts | 19.8% |
| Hispanic or Latino (any race) | 11.6% ±10.1 pts | 10.5% |
| White alone, not Hispanic | 77.1% ±13.3 pts | 79.6% |
| Black or African American alone, not Hispanic | 0.0% ±2.0 pts | 0.6% |
| Asian alone, not Hispanic | 0.0% ±2.0 pts | 1.2% |
| American Indian and Alaska Native alone, not Hispanic | 0.3% ±0.4 pts | 0.8% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±2.0 pts | 0.4% |
| Two or more races, not Hispanic | 10.2% ±8.3 pts | 6.3% |
| Some other race alone, not Hispanic | 0.9% ±1.3 pts | 0.6% |
| Born outside the United States | 3.6% ±3.0 pts | 4.3% |
| Speak a language other than English at home (age 5+) | 4.2% ±3.4 pts | 7.9% |
| Civilian veterans (age 18+) | 8.4% ±3.2 pts | 10.3% |
| With a disability | 17.9% ±6.1 pts | 20.2% |
| No health insurance coverage | 8.3% ±4.6 pts | 6.2% |
| High school graduate or higher (age 25+) | 92.8% ±4.1 pts | 89.9% |
| Bachelor's degree or higher (age 25+) | 25.3% ±8.1 pts | 17.6% |
| Graduate or professional degree (age 25+) | 5.5% ±5.8 pts | 5.7% |
| Lived in the same house a year earlier | 93.0% ±4.2 pts | 88.2% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Census Tract 18 earn?
Half of the 769 households in Census Tract 18 earn less than $86,190 a year (±$11,218), against $76,531 across Cowlitz County: 15th highest of the county's 30 tracts with a reliable estimate. 13.1% of residents live below the poverty line.
| Measure | Tract 18 | Cowlitz County |
|---|---|---|
| Median household income | $86,190 ±$11,218 | $76,531 |
| Mean household income | $111,896 ±$21,929 | $95,669 |
| Per capita income | $45,456 ±$8,181 | $38,105 |
| People below the poverty line | 13.1% ±5.9 pts | 12.2% |
| Children under 18 below the poverty line | 19.7% ±13.3 pts | 15.2% |
| Households receiving SNAP | 11.6% ±6.2 pts | 17.7% |
| Households with a computer | 90.5% ±8.0 pts | 95.5% |
| Households with a broadband subscription | 84.3% ±9.2 pts | 91.0% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Census Tract 18?
Owners occupy 87.0% of Census Tract 18's occupied homes and renters 13.0%. The median owner-occupied home is valued at $339,100 by its owner (±$52,027).
| Measure | Tract 18 | Cowlitz County |
|---|---|---|
| Median home value (owner-occupied) | $339,100 ±$52,027 | $397,500 |
| Median gross rent | $867 ±$813 | $1,206 |
| Renters paying 35% or more of income on rent | 50.0% ±45.2 pts | 41.1% |
| Median monthly owner costs, with a mortgage | $1,590 ±$321 | $1,949 |
| Owner-occupied homes | 87.0% ±8.9 pts | 68.0% |
| Renter-occupied homes | 13.0% ±8.9 pts | 32.0% |
| Housing units | 844 ±101 | 46,422 |
| Single-family detached homes | 77.7% ±9.0 pts | 69.4% |
| Mobile homes | 21.7% ±8.9 pts | 8.5% |
| Built 2020 or later | 1.4% ±1.2 pts | 1.4% |
| Built 2010 to 2019 | 12.4% ±6.8 pts | 7.6% |
| Built 1939 or earlier | 8.4% ±6.4 pts | 13.7% |
| Households with no vehicle | 2.3% ±2.8 pts | 6.2% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How do people in Census Tract 18 get to work?
85.4% of Census Tract 18's workers drive alone. The average trip to work takes 40.1 minutes.
| Measure | Tract 18 | Cowlitz County |
|---|---|---|
| In the labor force (age 16+) | 51.8% ±8.3 pts | 56.7% |
| Unemployment rate | 3.3% ±3.1 pts | 5.9% |
| Drove alone to work | 85.4% ±8.4 pts | 81.5% |
| Carpooled | 6.1% ±5.6 pts | 8.1% |
| Public transportation | 0.0% ±4.8 pts | 0.4% |
| Walked | 0.0% ±4.8 pts | 0.9% |
| Worked from home | 7.9% ±6.7 pts | 8.2% |
| Mean travel time to work | 40.1 min ±9.7 | 26.1 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
How does Census Tract 18 compare with the other tracts in Cowlitz County?
Among Cowlitz County's tracts with a reliable estimate, Census Tract 18 ranks as shown below (1 = highest).
| Measure | In Cowlitz County |
|---|---|
| Population | 26th of 30 |
| Residents per square mile | 30th of 30 |
| Median household income | 15th of 30 |
| Per capita income | 5th of 30 |
| Median home value | 22nd of 29 |
| Poverty rate | 12th of 25 |
| Bachelor's degree or higher | 6th of 29 |
| Median age | 9th of 30 |
| Owner-occupied share | 5th of 30 |
The tracts next to it on Cowlitz County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 12 | 12th | $87,772±$17,201 · within the margin of this tract |
| Tract 6.02 | 13th | $87,330±$9,357 · within the margin of this tract |
| Tract 20.01 | 14th | $86,250±$12,957 · within the margin of this tract |
| Tract 18 | 15th | $86,190±$11,218 |
| Tract 7.06 | 16th | $83,649±$22,012 · within the margin of this tract |
| Tract 7.02 | 17th | $82,829±$14,948 · within the margin of this tract |
| Tract 20.03 | 18th | $82,159±$18,536 · within the margin of this tract |
"Within the margin": the two incomes differ by less than their combined 90% margins, so the survey cannot say which is higher and the ranks between them are not firm.
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · How ranks are computed
How reliable are the figures for Census Tract 18?
5 of the 18 figures for Census Tract 18 on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
A census tract's figures rest on a few hundred sampled households over five years, so its margins are wider than a city's. Two tracts differ only when the gap between them is larger than their combined 90% margin (the square root of the sum of the two squared margins). How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · Check it at data.census.gov
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections