Monroe, Washington Population 2021

20,672
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Monroe is a city located in Snohomish County Washington. With a 2020 population of 20,672, it is the 57th largest city in Washington and the 1804th largest city in the United States . Monroe is currently growing at a rate of 2.22% annually and its population has increased by 19.46% since the most recent census, which recorded a population of 17,304 in 2010. Monroe reached it's highest population of 20,672 in 2021. Spanning over 6 miles, Monroe has a population density of 3,392 people per square mile.

The average household income in Monroe is $95,969 with a poverty rate of 7.34%. The median rental costs in recent years comes to $1,391 per month, and the median house value is $357,000. The median age in Monroe is 34 years, 35.1 years for males, and 31.6 years for females.

Monroe Demographics

According to the most recent ACS, the racial composition of Monroe was:

  • White: 76.69%
  • Two or more races: 8.27%
  • Other race: 6.39%
  • Black or African American: 4.25%
  • Asian: 2.65%
  • Native American: 1.44%
  • Native Hawaiian or Pacific Islander: 0.32%
The current population of Monroe, Washington is 20,672 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 19,328.The last official US Census in 2010 recorded the population at 17,304.

Monroe, Washington Population 2021

Population by Race

Race Population Percentage
White14,46876.69%
Two or More Races1,5608.27%
Some Other Race1,2066.39%
Black or African American8014.25%
Asian4992.65%
American Indian and Alaska Native2711.44%
Native Hawaiian and Other Pacific Islander600.32%
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Monroe Population by Race

Monroe Population Pyramid $2021

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Monroe Median Age

34


Total

35.1


Male

31.6


Female

Monroe Adults

There are 14,426 adults, (1,466 of whom are seniors) in Monroe.

Monroe Age Dependency

45.6

Age Dependency Ratio

11.3

Old Age Dependency Ratio

34.3

Child Dependency Ratio

Monroe Sex Ratio

Female

8,052

42.68%

Male

10,813

57.32%

Monroe Population by Age

Monroe Renter vs Owner Occupied by Household Type

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Monroe Household Types

Type Owner Renter
Married75%25%
All64.5%35.5%
Non Family55.2%44.8%
Female50.7%49.3%
Male44.7%55.3%

64.5%

Rate of Home Ownership

Monroe Households and Families

Type Count Average Size Owned
All5,2662.9564.5
Married2,8243.4975
Non Family1,4061.3955.2
Female6153.6750.7
Male4213.4644.7

3.39

Average Family Size

2.95

Average Household Size

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Monroe Households by Type

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Education Attained Count Percentage
Less Than 9th Grade5514.31%
9th to 12th Grade8676.77%
High School Graduate3,48027.19%
Some College3,84630.05%
Associates Degree1,2289.59%
Bachelors Degree2,09316.35%
Graduate Degree7345.73%
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Monroe Educational Attainment by Sex (over 25)

Monroe Educational Attainment by Race

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Race Total High School Bachelors
White8,6898,1782,124
Hispanic2,0461,334302
2+ Races897761139
Other Race782537191
Black61553723
Asian450449181
Native American14212431
Islander6049

The highest rate of high school graduation is among asian people with a rate of 99.78%.

The highest rate of bachelors degrees is among asian people with a rate of 40.22%.

Monroe Educational Attainment by Race

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Name Average Male Female
Overall$38,289$40,048$35,691
Less Than 9th Grade$25,250$24,653$
High School Graduate$29,399$28,594$30,255
Some College$41,811$42,222$41,071
Bachelors Degree$61,071$76,118$51,484
Graduate Degree$62,969$69,813$50,100

$38,289

Average Earnings

$40,048

Average Male

$35,691

Average Female

Monroe Earnings by Educational Attainment

Monroe Language by Age

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Monroe Language

80.47% of Monroe residents speak only English, while 19.53% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 14.67% of the population.

Monroe Language

Monroe Poverty by Race

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Name Total In Poverty Poverty Rate
White10,7086596.15%
Hispanic3,1492698.54%
Multiple1,08717816.38%
Other1,08615714.46%
Black2493514.06%
Islander1717100.00%
Native192115.73%
Asian42081.90%

7.34%

Overall Poverty Rate

6.94%

Male Poverty Rate

7.72%

Female Poverty Rate

Poverty in Monroe

The race most likely to be in poverty in Monroe is Islander, with 100.00% below the poverty level.

The race least likely to be in poverty in Monroe is Asian, with 1.90% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.01%. Among those working part-time, it was 12.65%, and for those that did not work, the poverty rate was 15.31%.

Monroe Poverty

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Name Poverty
Less Than 9th Grade18.00%
High School8.88%
Some College7.34%
Bachelors or Greater2.73%

Monroe Poverty Rate by Education

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Rate Poverty
Male Unemployed36.42%
Female Unemployed25.64%
Female Employed5.89%
Male Employed3.10%

Monroe Poverty Rate by Employment Status and Sex

Monroe Income by Household Type

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Name Median Mean
Households$85,896$95,969
Families$91,279$104,334
Married Families$101,438-
Non Families$61,104$64,378
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Income by Household Type

Monroe Marital Status

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Marriage Rates

44.6%

Overall Marriage Rate

40.1%

Male Marriage Rate

51.4%

Female Marriage Rate

Monroe Married by Age and Sex

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Monroe Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Monroe Marital Status by Race

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Monroe Marital Status

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1,161

Number of Veterans

1,119

Male Veterans

42

Female Veterans

War Veterans
Second Gulf War361
First Gulf War357
Vietnam288
Korea18
World War II12

Monroe Veterans by War

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Age Group Veterans
35 to 54485
65 to 74236
18 to 34173
55 to 64165
75+102

Monroe Veterans by Age

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Name Veterans % of Total
White9878.87%
Hispanic1094.49%
Black628.38%
Other Race495.98%
2+ Races363.37%
Native American2719.01%

Monroe Veterans by Race

Monroe Veterans by Education

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2.52%

Veteran Poverty Rate

18.51%

Veteran Disability Rate

Monroe Veterans by Education

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58.5%

Labor Force Participation

55.9%

Employment Rate

4.2%

Unemployment Rate

Monroe Employment by Age

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Monroe Employment by Race

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Monroe Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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53.62%

Born in Monroe

88.88%

Native Born

11.12%

Foreign Born

6.68%

Non Citizen

4.44%

Naturalized

Place of Birth

88.88% of Monroe residents were born in the United States, with 53.62% having been born in Washington. 6.68% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Monroe Place of Birth

Year Population Growth Annual Growth Rate
202120,6724482.22%
202020,2244482.27%
201919,7764482.32%
201819,3285272.80%
201718,8014142.25%
201618,3873491.93%
201518,0381690.95%
201417,8691841.04%
201317,6851821.04%
201217,503890.51%
201117,414500.29%
201017,3643,5692.33%
200013,7959,51712.42%
19904,2781,4094.08%
19802,8691820.66%
19702,6870.00%

Monroe Population by Year