Jefferson Flag

Jefferson

County:
Marion County
County Seat:
No
Area (mi²):
0.857
State:
Oregon

Jefferson is a city located in Marion County, Oregon. Jefferson has a 2026 population of 3,279. Jefferson is currently declining at a rate of -0.24% annually and its population has decreased by -1.5% since the most recent census, which recorded a population of 3,329 in 2020.

The median household income in Jefferson is $102,159 with a poverty rate of 9.21%. The median age in Jefferson is 31.2 years: 28.2 years for males, and 33 years for females. For every 100 females there are 99.8 males.

3.3K
Total Population
3,827
Density (mi²)
-8 -0.24%
Growth

Jefferson Population

Jefferson Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20263,279-8-0.24%
20253,287-9-0.27%
20243,296130.4%
20233,283-20-0.61%
20223,303-28-0.84%
20213,33190.27%
20203,329-36-1.07%
20193,365140.42%
20183,351351.06%
20173,316421.28%
20163,274521.61%
20153,222230.72%
20143,199441.39%
20133,15540.13%
20123,151120.38%
20113,139321.03%
20103,10790.29%
20002,48768237.78%
19901,8051036.05%
19801,70276681.84%
197093622030.73%
19607168012.58%
195063615732.78%
19404798822.51%
1930391-26-6.24%
192041720.48%
191041514252.01%
1900273-34-11.07%
189030700%

Median Age

Overall: 31.2 years
Female: 33 years
Male: 28.2 years

Jefferson Adults

There are 2,303 adults, (354 of whom are seniors) in Jefferson.

Sex Ratio

Female: 1,652 (50%)
Male: 1,649 (50%)

Demographics

The racial composition of Jefferson includes 69.98% White, 12.97% other race, and smaller percentages for Black or African American, Native American, Asian and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White2,31069.98%
Two or more races48814.78%
Other race42812.97%
Black or African American571.73%
Native American140.42%
Asian40.12%
Race
Population ↓
Percentage (of total)
Other race41712.63%
Two or more races2768.36%
White1113.36%
Race
Population ↓
Percentage (of total)
White2,19966.62%
Two or more races2126.42%
Black or African American571.73%
Native American140.42%
Other race110.33%
Asian40.12%

Jefferson Marital Status

Economics and Income Statistics

Jefferson 's average per capita income is $52,986. Household income levels show a median of $102,159. The poverty rate stands at 9.21%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$113,059-
Families$106,204$118,968
Households$102,159$117,654
Non Families$67,578$96,576

$52,986

Average Income

$102,159

Median Household Income

9.21%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)