Grant County, Oregon Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 33rd-largest in Oregon
The population of Grant County, Oregon is 7,238 as of the 2023 American Community Survey, making it the 33rd-largest county in Oregon. The median household income is $59,800, the median home value is $225,100, and the median age is 50.8.
The population of Grant County has declined 5.0% since 2010 (7,465 → 7,093), a -0.36% annualized rate.
7,238
Population
-0.36%
Annual growth
2
People / sq mi
$59,800
Median Income
$225,100
Median Home Value
Grant County covers 4,528 sq mi of land at 1.6 people per square mile.
About Grant County, OR
Grant County stands apart on settlement density — it is among the most sparsely settled of US counties, at roughly 2 people per square mile. Grant County is a county in Oregon with a population of 7,238. It ranks #33 among counties in Oregon by population.
The typical household here earns about $59,800, below the US median of $78,538. The poverty rate is 8.5%, below the national 12.4%. A typical home is worth $225,100, with typical rent around $840.
Degree attainment is mid-range for US counties: 19.7% of adults hold a four-year degree, below the national 35.0%. Remote work is on the higher side at 11.7%, below the national 14.0%, and the average commute runs about 18 minutes each way.
Grant County Population History (2010-2024)
The county of Grant County had a population of 7,465 in 2010 and 7,093 in 2024, a -5.0% growth over 14 years. The peak was 7,465 in 2010. Average annual growth rate: -0.36%.
7,093
Population (2024)
7,465
Population (2010)
7,465
Peak (2010)
-0.36%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 7,465 |
| 2011 | 7,409 |
| 2012 | 7,325 |
| 2013 | 7,271 |
| 2014 | 7,191 |
| 2015 | 7,209 |
| 2016 | 7,167 |
| 2017 | 7,190 |
| 2018 | 7,169 |
| 2019 | 7,166 |
| 2020 | 7,233 |
| 2021 | 7,284 |
| 2022 | 7,221 |
| 2023 | 7,216 |
| 2024 | 7,093 |
Race & Ethnicity
| White | 89.5% |
| Black or African American | 0.1% |
| Asian | 0.2% |
| Hispanic or Latino (any race) | 2.5% |
| Two or More Races | 0.0% |
Age & Sex
50.8
Median Age
49.2%
Female
50.8%
Male
31.6%
Age 65+
Age Distribution
Children (under 15): 13.8% · Seniors (65+): 31.6%
Income & Poverty
| Median household income | $59,800$-20,626 vs state |
| Mean household income | $74,955 |
| Per-capita income | $34,924 |
| Poverty rate | 8.5%+1.2% vs state |
| Unemployment rate | 3.1% |
| Employment-to-population | 46.6% |
Top Industries by Employment
The largest employment sector in Grant County is professional & business services, accounting for 22.9% of workers.
How residents commute
0.0%
Drive alone
8.5%
Carpool
70.5%
Public transit
11.7%
Work from home
18.4 min
Avg commute
Housing
$225,100$-229,100 vs state
Median home value
$840
Median rent
80.6%
Homeownership rate
4,147
Total housing units
80.8%
Occupied
19.2%
Vacant
19.4%
Renter-occupied
Social & access
91.8%
With health insurance
91.4%
With broadband internet
38.4%
Foreign-born
12.3%
Veterans (18+)
24.3%
With a disability
97.8%
Speak language other than English at home
Education
89.6%
High School+
19.7%
Bachelor's+
Largest cities in Oregon
Other counties in Oregon
Part of Oregon
Metro areas in Oregon
County rankings
Frequently Asked Questions
Grant County, Oregon has a population of 7,238 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 33rd-largest county in Oregon. Population density is 2 people per square mile.
The population of Grant County has declined 5.0% since 2010 (7,465 → 7,093), a -0.36% annualized rate.
The median household income in Grant County, Oregon is $59,800, with mean (average) household income of $74,955 and per-capita income of $34,924. 8.5% of residents live below the federal poverty level.
In Grant County, the largest racial and ethnic groups are White (89.5%), Hispanic or Latino (2.5%), Asian (0.2%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Grant County, Oregon is 50.8 years. Residents are 49.2% female and 50.8% male.
The median home value in Grant County is $225,100 and median monthly rent is $840. 80.6% of occupied housing units are owner-occupied. The county has 4,147 total housing units, 19.2% of which are vacant.
The largest employment sector in Grant County, Oregon is professional, scientific, and management services, employing 22.9% of workers. The unemployment rate is 3.1%.
Portland is among the largest cities associated with Grant County, Oregon, with a population of 642,715.
Grant County, OR Climate
Grant County, OR has an average annual temperature of 8.2°C (47°F) and receives about 354 mm of precipitation per year. The warmest month is August and the coldest is January. Figures are 1970–2000 climate normals.
8.2°C
Avg Temp
354
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -1° / 31° | 34 mm |
| February | 1° / 34° | 23 mm |
| March | 4° / 38° | 31 mm |
| April | 6° / 44° | 32 mm |
| May | 10° / 51° | 40 mm |
| June | 15° / 58° | 33 mm |
| July | 18° / 65° | 14 mm |
| August | 19° / 65° | 23 mm |
| September | 14° / 58° | 20 mm |
| October | 9° / 48° | 26 mm |
| November | 3° / 38° | 39 mm |
| December | 0° / 31° | 39 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Grant County, OR
The most comfortable months to visit Grant County, OR are typically July, August and September, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 30°C high). The coldest is January (near -6°C low). May is usually the wettest month.
Where to stay near Grant County
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Population, race, income, age, and trends across Oregon
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.