County · Oregon
Gilliam County, Oregon
Gilliam County, Oregon. Gilliam County had 1,971 residents in 2025 by the Census Bureau's estimate, down 1.1% since 2020, while Oregon grew 0.9%. It holds 3 places (3 cities, villages and boroughs) and 1 census tract. GEOID 41021.
Residents, July 2025 estimate
1,971
Census Bureau estimate (no margin published)
2020 Census count: 1,995 · ACS 2020-2024: 1,971 ±152
Median household income
$66,917
±$11,858 (90% margin)
Oregon: $83,011
Median home value
$189,300
±$54,196 (90% margin)
Oregon: $477,600
Median gross rent
$1,125
±$173 (90% margin)
Oregon: $1,525
How many people live in Gilliam County, and is it growing?
The 2020 Census counted 1,995 residents in Gilliam County. The Census Bureau estimates 1,971 for July 1, 2025, down 1.1% since 2020, while Oregon grew 0.9%. The 2020-2024 American Community Survey puts the population at 1,971 over 1,205 square miles of land.
| Measure | Gilliam County | Oregon | Change since 2015-2019 |
|---|---|---|---|
| Total population | 1,971±152 | 4,254,293 | no clear change |
| Households | 875±96 | 1,718,422 | no clear change |
| Average household size | 2.21±0.21 | 2.42 | no clear change |
| Housing units | 1,138±80 | 1,857,992 | no clear change |
Gilliam County's population since 2000
From 1,915 in 2000 to 1,971 in 2025: up 2.9%. The 2000, 2010 and 2020 figures are census counts. 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); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Gilliam County?
Gilliam County holds 3 places: 3 cities, villages and boroughs (incorporated places). The largest is Condon with 704 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Gilliam County?
The median resident of Gilliam County is 50.1 years old; 19.0% are under 18 and 32.4% are 65 or older. The largest group is non-Hispanic white residents at 80.0%, then Hispanic or Latino residents (of any race) at 9.4%.
| Measure | Gilliam County | Oregon | Change since 2015-2019 |
|---|---|---|---|
| Median age | 50.1±3.4 | 40.4 | no clear change |
| Under 18 years | 19.0%±3.2 pts | 19.9% | – |
| 65 years and over | 32.4%±4.2 pts | 19.1% | – |
| Hispanic or Latino (any race) | 9.4%±4.5 pts | 14.7% | no clear change |
| White alone, not Hispanic | 80.0%±5.0 pts | 71.4% | −8.0 pts |
| Black or African American alone, not Hispanic | 0.0%±2.0 pts | 1.8% | – |
| Asian alone, not Hispanic | 0.0%±2.0 pts | 4.4% | – |
| American Indian and Alaska Native alone, not Hispanic | 1.6%±1.3 pts | 0.6% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±2.0 pts | 0.4% | – |
| Two or more races, not Hispanic | 7.9%±3.3 pts | 6.1% | – |
| Some other race alone, not Hispanic | 1.1%±1.7 pts | 0.6% | – |
| Born outside the United States | 4.0%±3.2 pts | 9.8% | – |
| Speak a language other than English at home (age 5+) | 7.6%±5.4 pts | 15.2% | – |
| Civilian veterans (age 18+) | 14.2%±3.8 pts | 7.2% | – |
| With a disability | 19.3%±4.2 pts | 15.5% | – |
| No health insurance coverage | 5.6%±3.5 pts | 5.9% | no clear change |
| High school graduate or higher (age 25+) | 88.7%±5.2 pts | 91.8% | – |
| Bachelor's degree or higher (age 25+) | 21.0%±5.1 pts | 36.8% | no clear change |
| Graduate or professional degree (age 25+) | 4.5%±1.8 pts | 14.1% | – |
| Moved from another state in the past year | 5.0%±4.4 pts | 3.0% | – |
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 Gilliam County earn?
Half of Gilliam County's 875 households earn less than $66,917 a year (±$11,858), against $83,011 in Oregon. In 2015-2019 it was $58,458 in 2024 dollars; the margins of error cannot tell the two periods apart. 15.3% of residents live below the poverty line.
| Measure | Gilliam County | Oregon | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $66,917±$11,858 | $83,011 | no clear change |
| Mean household income | $81,672±$12,735 | $111,542 | – |
| Per capita income | $37,790±$4,693 | $45,612 | no clear change |
| People below the poverty line | 15.3%±5.2 pts | 11.9% | no clear change |
| Children under 18 below the poverty line | 10.5%±9.7 pts | 13.2% | – |
| Households receiving SNAP | 11.5%±6.2 pts | 16.0% | – |
| Households with a broadband subscription | 87.7%±5.3 pts | 92.4% | – |
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 Gilliam County?
Owners occupy 74.1% of Gilliam County's occupied homes and renters 25.9%. The median owner-occupied home is valued at $189,300 by its owner (±$54,196). The median renter pays $1,125 a month including utilities, and 29.0% of renters pay 35% or more of their income on rent.
| Measure | Gilliam County | Oregon | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $189,300±$54,196 | $477,600 | no clear change |
| Median gross rent | $1,125±$173 | $1,525 | no clear change |
| Renters paying 35% or more of income on rent | 29.0%±15.8 pts | 43.1% | no clear change |
| Median monthly owner costs, with a mortgage | $1,409±$151 | $2,157 | – |
| Owner-occupied homes | 74.1%±7.4 pts | 63.3% | no clear change |
| Housing units | 1,138±80 | 1,857,992 | no clear change |
| Homeowner vacancy rate | 0.0%±6.0 pts | 0.7% | – |
| Rental vacancy rate | 12.7%±9.6 pts | 4.2% | – |
| Single-family detached homes | 78.8%±4.5 pts | 62.7% | – |
| Mobile homes | 13.6%±4.3 pts | 7.1% | – |
| Built 2020 or later | 0.0%±3.5 pts | 2.1% | – |
| Built 1939 or earlier | 23.4%±5.8 pts | 10.7% | – |
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 Gilliam County building?
Builders took permits for 2 new housing units across Gilliam County in 2025 (2 single-family), 1.0 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Gilliam County get to work?
74.7% of Gilliam County's workers drive alone and 6.6% work from home. The average trip to work takes 19.0 minutes.
| Measure | Gilliam County | Oregon | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 49.8%±6.2 pts | 62.3% | – |
| Unemployment rate | 2.8%±2.1 pts | 5.4% | – |
| Drove alone to work | 74.7%±6.2 pts | 64.5% | – |
| Carpooled | 8.6%±4.5 pts | 8.5% | – |
| Public transportation | 0.0%±4.9 pts | 2.2% | – |
| Walked | 9.9%±4.5 pts | 3.3% | – |
| Worked from home | 6.6%±3.8 pts | 19.0% | no clear change |
| Mean travel time to work | 19.0 min±3.7 | 23.0 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 are Gilliam County's census tracts?
Gilliam County is a single census tract.
| Tract 960141021960100 | 1,971±152 | $66,917 |
|---|
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Gilliam County compare with Oregon's other counties?
| Measure | Rank |
|---|---|
| Population | 34th of 36 |
| Growth 2020-2025 | 28th of 36 |
| Residents per square mile | 32nd of 36 |
| Median household income | 21st of 36 |
| Median home value | 36th of 36 |
| Median gross rent | 20th of 36 |
| Poverty rate | 10th of 36 |
| Bachelor's degree or higher | 26th of 36 |
| Median age | 5th of 36 |
Source: PlainCities ranks 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 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 Gilliam County 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' school search.