South Lyon, Michigan Population 2021

11,829
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South Lyon is a city located in Oakland County Michigan. With a 2020 population of 11,829, it is the 77th largest city in Michigan and the 2750th largest city in the United States . South Lyon is currently growing at a rate of 0.03% annually and its population has increased by 4.43% since the most recent census, which recorded a population of 11,327 in 2010. South Lyon reached it's highest population of 11,829 in 2021. Spanning over 4 miles, South Lyon has a population density of 3,162 people per square mile.

The average household income in South Lyon is $91,167 with a poverty rate of 5.57%. The median rental costs in recent years comes to $1,042 per month, and the median house value is $192,100. The median age in South Lyon is 42 years, 41.4 years for males, and 42.7 years for females.

South Lyon Demographics

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

  • White: 94.40%
  • Two or more races: 2.47%
  • Asian: 1.91%
  • Black or African American: 0.92%
  • Other race: 0.30%
  • Native American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of South Lyon, Michigan is 11,829 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 11,817.The last official US Census in 2010 recorded the population at 11,327.

South Lyon, Michigan Population 2021

Population by Race

Race Population Percentage
White11,12894.40%
Two or More Races2912.47%
Asian2251.91%
Black or African American1090.92%
Some Other Race350.30%
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South Lyon Population by Race

South Lyon Population Pyramid $2021

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South Lyon Median Age

42


Total

41.4


Male

42.7


Female

South Lyon Adults

There are 9,204 adults, (1,953 of whom are seniors) in South Lyon.

South Lyon Age Dependency

62.6

Age Dependency Ratio

26.9

Old Age Dependency Ratio

35.6

Child Dependency Ratio

South Lyon Sex Ratio

Female

6,458

54.78%

Male

5,330

45.22%

South Lyon Population by Age

South Lyon Renter vs Owner Occupied by Household Type

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South Lyon Household Types

Type Owner Renter
Married95.1%4.9%
All79%21%
Male73.8%26.2%
Female71.7%28.3%
Non Family62.1%37.9%

79.0%

Rate of Home Ownership

South Lyon Households and Families

Type Count Average Size Owned
All4,9632.3679
Married2,2913.1295.1
Non Family1,8761.1562.1
Female6052.8871.7
Male1913.4873.8

3.04

Average Family Size

2.36

Average Household Size

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South Lyon Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1802.16%
9th to 12th Grade4044.86%
High School Graduate1,77721.36%
Some College1,81421.81%
Associates Degree6547.86%
Bachelors Degree2,24727.01%
Graduate Degree1,24314.94%
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South Lyon Educational Attainment by Sex (over 25)

South Lyon Educational Attainment by Race

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Race Total High School Bachelors
White7,7707,3183,271
Hispanic21111673
Asian16512864
Black10910930
2+ Races696957
Other Race3535

The highest rate of high school graduation is among black people with a rate of 100.00%.

The highest rate of bachelors degrees is among 2+ races people with a rate of 82.61%.

South Lyon Educational Attainment by Race

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Name Average Male Female
Overall$51,694$62,083$43,503
Less Than 9th Grade$15,772$15,598$23,750
High School Graduate$30,344$35,000$27,393
Some College$40,575$49,489$33,450
Bachelors Degree$66,830$88,173$55,577
Graduate Degree$82,266$104,297$68,782

$51,694

Average Earnings

$62,083

Average Male

$43,503

Average Female

South Lyon Earnings by Educational Attainment

South Lyon Language by Age

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South Lyon Language

93.93% of South Lyon residents speak only English, while 6.07% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 2.43% of the population.

South Lyon Language

South Lyon Poverty by Race

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Name Total In Poverty Poverty Rate
White10,6566335.94%
Black1062018.87%

5.57%

Overall Poverty Rate

3.56%

Male Poverty Rate

7.24%

Female Poverty Rate

Poverty in South Lyon

The race most likely to be in poverty in South Lyon is Black, with 18.87% below the poverty level.

The race least likely to be in poverty in South Lyon is White, with 5.94% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.26%. Among those working part-time, it was 11.48%, and for those that did not work, the poverty rate was 9.96%.

South Lyon Poverty

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Name Poverty
High School7.59%
Some College6.59%
Less Than 9th Grade4.56%
Bachelors or Greater3.10%

South Lyon Poverty Rate by Education

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Rate Poverty
Female Unemployed45.16%
Male Unemployed26.19%
Female Employed4.48%
Male Employed2.69%

South Lyon Poverty Rate by Employment Status and Sex

South Lyon Income by Household Type

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Name Median Mean
Households$73,200$91,167
Families$107,321$118,923
Married Families$128,982-
Non Families$30,107$43,646
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Income by Household Type

South Lyon Marital Status

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Marriage Rates

49.8%

Overall Marriage Rate

54.1%

Male Marriage Rate

46.2%

Female Marriage Rate

South Lyon Married by Age and Sex

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South Lyon Marriage

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

South Lyon Marital Status by Race

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South Lyon Marital Status

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559

Number of Veterans

543

Male Veterans

16

Female Veterans

War Veterans
Vietnam266
First Gulf War110
Second Gulf War63
Korea48
World War II3

South Lyon Veterans by War

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Age Group Veterans
65 to 74224
35 to 54139
75+110
55 to 6449
18 to 3437

South Lyon Veterans by Age

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South Lyon Veterans by Race

South Lyon Veterans by Education

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0.00%

Veteran Poverty Rate

22.06%

Veteran Disability Rate

South Lyon Veterans by Education

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69.5%

Labor Force Participation

67.2%

Employment Rate

3.2%

Unemployment Rate

South Lyon Employment by Age

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South Lyon Employment by Race

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South Lyon 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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78.65%

Born in South Lyon

94.11%

Native Born

5.89%

Foreign Born

2.87%

Non Citizen

3.02%

Naturalized

Place of Birth

94.11% of South Lyon residents were born in the United States, with 78.65% having been born in Michigan. 2.87% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

South Lyon Place of Birth

Year Population Growth Annual Growth Rate
202111,82940.03%
202011,82540.03%
201911,82140.03%
201811,81780.07%
201711,809340.29%
201611,775280.24%
201511,747-4-0.03%
201411,751410.35%
201311,7101501.30%
201211,5601371.20%
201111,423960.85%
201011,3271,2911.22%
200010,0364,1795.53%
19905,8576431.17%
19805,2142,5396.90%
19702,6750.00%

South Lyon Population by Year