Monroe Flag

Monroe

County Seat:
No
Area (mi²):
6.375
State:
Washington

Monroe is a city located in Snohomish County, Washington. Monroe has a 2026 population of 19,878. Monroe is currently declining at a rate of -0.12% annually and its population has decreased by -0.73% since the most recent census, which recorded a population of 20,024 in 2020.

The median household income in Monroe is $110,461 with a poverty rate of 7.32%. The median age in Monroe is 35.7 years: 35.5 years for males, and 36.3 years for females. For every 100 females there are 125.4 males.

19.9K
Total Population
3,118
Density (mi²)
-24 -0.12%
Growth

Monroe Population

Monroe Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202619,878-24-0.12%
202519,902-25-0.13%
202419,9273431.75%
202319,5841830.94%
202219,401-401-2.03%
202119,802-222-1.11%
202020,0242061.04%
201919,7944392.27%
201819,3555242.78%
201718,8314242.3%
201618,4073571.98%
201518,0501720.96%
201417,8781821.03%
201317,6961851.06%
201217,511890.51%
201117,422530.31%
201017,369650.38%
200013,7959,517222.46%
19904,2781,40949.11%
19802,8691826.77%
19702,68700%

Median Age

Overall: 35.7 years
Female: 36.3 years
Male: 35.5 years

Monroe Adults

There are 15,521 adults, (2,069 of whom are seniors) in Monroe.

Sex Ratio

Female: 8,766 (44.4%)
Male: 10,989 (55.6%)

Demographics

The racial composition of Monroe includes 68.01% White, 9.74% Asian, 6.15% other race, 3.57% Black or African American, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White13,43568.01%
Two or more races2,22211.25%
Asian1,9259.74%
Other race1,2146.15%
Black or African American7063.57%
Native American2321.17%
Native Hawaiian or Pacific Islander210.11%
Race
Population ↓
Percentage (of total)
Two or more races1,2166.16%
Other race1,1315.73%
White9034.57%
Native American1050.53%
Black or African American780.39%
Asian470.24%
Race
Population ↓
Percentage (of total)
White12,53263.44%
Asian1,8789.51%
Two or more races1,0065.09%
Black or African American6283.18%
Native American1270.64%
Other race830.42%
Native Hawaiian or Pacific Islander210.11%

Monroe Marital Status

Economics and Income Statistics

Monroe 's average per capita income is $57,500. Household income levels show a median of $110,461. The poverty rate stands at 7.32%.

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$140,184-
Families$119,090$146,900
Households$110,461$131,597
Non Families$51,799$72,870

$57,500

Average Income

$110,461

Median Household Income

7.32%

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)