City · Washington
Ilwaco, Washington
Ilwaco, city, in Pacific County, Washington. Ilwaco had 1,112 residents on July 1, 2025 by the Census Bureau's estimate, up 2.3% since 2020; the 2020 Census counted 1,087 and the ACS 2020-2024 5-year estimates put it at 1,365 (±414). GEOID 5333000.
Residents, July 2025 estimate
1,112
Census Bureau estimate (no margin published)
2020 Census count: 1,087 · ACS 2020-2024: 1,365 ±414
Median household income
$98,200
±$18,468 (90% margin)
Washington: $98,141
Median home value
$370,300
±$94,809 (90% margin)
Washington: $564,600
Median gross rent
$1,170
±$206 (90% margin)
Washington: $1,760
Where is Ilwaco and what county is it in?
Ilwaco is a city in Pacific County, Washington. It covers 2.1 square miles of land, 530 residents per square mile in 2020.
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Ilwaco, and is it growing?
The Census Bureau estimates that 1,112 people lived in Ilwaco on July 1, 2025, up 2.3% since 2020, slower than Washington (+3.8%). The 2020 Census counted 1,087 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 1,365 (±414).
| Measure | Ilwaco | Pacific County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 1,365 ±414 | 23,994 | no clear change |
| Households | 502 ±109 | 10,977 | no clear change |
| Average household size | 2.72 ±0.63 | 2.16 | no clear change |
| Housing units | 671 ±118 | 16,325 | no clear change |
Ilwaco's population since 2000
From 950 in 2000 to 1,112 in 2025: up 17.1%. The 2000, 2010 and 2020 figures are census counts, each for Ilwaco as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Ilwaco?
The median resident of Ilwaco is 48.9 years old; 17.3% are under 18 and 26.0% are 65 or older. The largest group is non-Hispanic white residents at 79.4%, then Hispanic or Latino residents (of any race) at 13.0%.
| Measure | Ilwaco | Pacific County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 48.9 ±12.1 | 55.0 | no clear change |
| Under 18 years | 17.3% ±6.6 pts | 15.0% | – |
| 65 years and over | 26.0% ±7.8 pts | 33.0% | – |
| Male | 56.2% ±5.8 pts | 49.0% | – |
| Hispanic or Latino (any race) | 13.0% ±11.5 pts | 9.9% | – |
| White alone, not Hispanic | 79.4% ±12.3 pts | 79.4% | no clear change |
| Black or African American alone, not Hispanic | 0.0% ±2.9 pts | 0.5% | – |
| Asian alone, not Hispanic | 0.5% ±1.0 pts | 1.6% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.3% ±0.7 pts | 1.9% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.7% ±0.9 pts | 0.1% | – |
| Two or more races, not Hispanic | 5.6% ±5.8 pts | 5.5% | – |
| Some other race alone, not Hispanic | 0.4% ±0.6 pts | 1.1% | – |
| Born outside the United States | 7.0% ±6.6 pts | 5.3% | – |
| Speak a language other than English at home (age 5+) | 10.1% ±9.0 pts | 9.9% | – |
| Civilian veterans (age 18+) | 13.2% ±8.9 pts | 11.5% | – |
| With a disability | 22.8% ±5.4 pts | 23.2% | – |
| No health insurance coverage | 10.4% ±5.3 pts | 5.7% | no clear change |
| High school graduate or higher (age 25+) | 90.1% ±9.1 pts | 90.9% | – |
| Bachelor's degree or higher (age 25+) | 31.3% ±10.3 pts | 24.9% | +14.8 pts |
| Graduate or professional degree (age 25+) | 10.4% ±6.3 pts | 7.8% | – |
| Lived in the same house a year earlier | 92.0% ±5.0 pts | 92.1% | – |
| Moved from another state in the past year | 5.2% ±5.4 pts | 2.7% | – |
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 Ilwaco earn?
Half of Ilwaco's 502 households earn less than $98,200 a year (±$18,468), against $67,081 in Pacific County and $98,141 in Washington. In 2015-2019 the median was $46,439 in 2024 dollars, so it rose by $51,761 after inflation.
| Measure | Ilwaco | Pacific County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $98,200 ±$18,468 | $67,081 | +$51,761 |
| Mean household income | $113,337 ±$28,085 | $93,753 | – |
| Per capita income | $46,282 ±$6,933 | $43,397 | +$13,633 |
| People below the poverty line | 9.5% ±6.7 pts | 10.4% | – |
| Children under 18 below the poverty line | 9.7% ±13.1 pts | 10.2% | – |
| Households receiving SNAP | 18.1% ±8.1 pts | 15.1% | – |
| Households with a computer | 100.0% ±7.7 pts | 93.8% | – |
| Households with a broadband subscription | 96.8% ±4.1 pts | 89.7% | – |
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 Ilwaco?
Owners occupy 65.7% of Ilwaco's occupied homes and renters 34.3%. The median owner-occupied home is valued at $370,300 by its owner (±$94,809). The median renter pays $1,170 a month including utilities.
| Measure | Ilwaco | Pacific County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $370,300 ±$94,809 | $334,800 | +$103,609 |
| Median gross rent | $1,170 ±$206 | $1,005 | no clear change |
| Renters paying 35% or more of income on rent | 21.5% ±18.6 pts | 36.0% | – |
| Median monthly owner costs, with a mortgage | $1,682 ±$470 | $1,652 | – |
| Owner-occupied homes | 65.7% ±11.3 pts | 81.8% | no clear change |
| Renter-occupied homes | 34.3% ±11.3 pts | 18.2% | – |
| Housing units | 671 ±118 | 16,325 | no clear change |
| Homeowner vacancy rate | 4.6% ±6.8 pts | 1.7% | – |
| Rental vacancy rate | 1.1% ±2.9 pts | 4.0% | – |
| Single-family detached homes | 73.3% ±9.2 pts | 73.6% | – |
| Mobile homes | 9.4% ±4.5 pts | 16.5% | – |
| Built 2020 or later | 0.0% ±5.8 pts | 1.1% | – |
| Built 2010 to 2019 | 8.0% ±6.7 pts | 6.9% | – |
| Built 1939 or earlier | 24.7% ±9.8 pts | 17.0% | – |
| Households with no vehicle | 2.2% ±3.1 pts | 5.5% | – |
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 many new homes is Ilwaco building?
Builders took permits for 1 new housing units in Ilwaco in 2025 (1 in single-family houses), 0.9 per 1,000 residents against 4.4 across Washington.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Ilwaco work and get to work?
56.5% of Ilwaco's workers drive alone. The average trip to work takes 16.1 minutes.
| Measure | Ilwaco | Pacific County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 68.5% ±10.6 pts | 48.1% | – |
| Unemployment rate | 0.0% ±4.8 pts | 5.2% | – |
| Drove alone to work | 56.5% ±9.5 pts | 63.5% | – |
| Carpooled | 13.6% ±11.5 pts | 11.6% | – |
| Public transportation | 0.6% ±1.3 pts | 0.6% | – |
| Walked | 21.4% ±14.9 pts | 5.3% | – |
| Worked from home | 4.8% ±4.8 pts | 16.5% | – |
| Mean travel time to work | 16.1 min ±5.7 | 23.2 min | no clear change |
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 census tracts are in Ilwaco?
No census tract lies mostly in Ilwaco; 3 tracts reach into it (2020 census blocks).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 9505.02Pacific County | 788 | $81,859 |
| Tract 9505.01Pacific County | 1,692 | $57,500 |
| Tract 9504Pacific County | 4,142 | $71,157 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Ilwaco) · Census block assignment files
How does Ilwaco compare with other places in Washington?
By the Census Bureau's July 2025 estimates, Ilwaco is the 9,858th-most populous of the 19,476 U.S. incorporated places that have one and the 200th-most populous of 281 in Washington.
Ilwaco ranks 176th of 387 places in Washington with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 200th | 281 |
| Growth 2020-2025 (PEP) | 118th | 203 |
| Residents per square mile | 339th | 394 |
| Median household income | 176th | 387 |
| Per capita income | 177th | 393 |
| Median home value | 294th | 384 |
| Median gross rent | 268th | 351 |
| Bachelor's degree or higher | 177th | 382 |
| Median age | 50th | 394 |
| Owner-occupied share | 250th | 388 |
| Travel time to work | 371st | 394 |
Ilwaco's figures with every place in Washington (CSV)
Every place in Washington, sortable · Compare Ilwaco with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Ilwaco?
24 of the 57 figures for Ilwaco 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.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. 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 · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Ilwaco are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' public schools in Ilwaco.