South Lyon, Michigan Population 2020

11,889

South Lyon is a city located in Michigan. With a 2020 population of 11,889, it is the 77th largest city in Michigan and the 2743rd largest city in the United States. South Lyon is currently growing at a rate of 0.24% annually and its population has increased by 4.96% since the most recent census, which recorded a population of 11,327 in 2010. Spanning over 4 miles, South Lyon has a population density of 3,178 people per square mile.

The average household income in South Lyon is $86,890 with a poverty rate of 4.79%. The median rental costs in recent years comes to $970 per month, and the median house value is $178,400. The median age in South Lyon is 42.2 years, 40.4 years for males, and 43.5 years for females. For every 100 females there are 85.4 males.

South Lyon Demographics

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

  • White: 93.63%
  • Two or more races: 3.02%
  • Asian: 2.98%
  • Other race: 0.27%
  • Black or African American: 0.10%
  • Native American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of South Lyon, Michigan is 11,889, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 11,831.The last official US Census in 2010 recorded the population at 11,327.

South Lyon, Michigan Population 2020

Population by Race

Race Population Percentage
White11,03593.63%
Two or More Races3563.02%
Asian3512.98%
Some Other Race320.27%
Black or African American120.10%

South Lyon Population Pyramid 2020

South Lyon Median Age

42.2


Total

40.4


Male

43.5


Female

South Lyon Adults

There are 9,163 adults, (2,008 of whom are seniors) in South Lyon.

South Lyon Age Dependency

64.7

Age Dependency Ratio

28.1

Old Age Dependency Ratio

36.7

Child Dependency Ratio

South Lyon Sex Ratio

Female

6,357

53.94%

Male

5,429

46.06%

South Lyon Households and Families

South Lyon Renter vs Owner Occupied by Household Type

South Lyon Household Types

Type Owner Renter
Married92.8%7.2%
All78.8%21.2%
Female75.3%24.7%
Male73.3%26.7%
Non Family62.3%37.7%

78.8%

Rate of Home Ownership

Type Count Average Size Owned
All4,9512.3778.8
Married2,3943.1492.8
Non Family1,8501.1362.3
Female5272.9375.3
Male1803.1673.3

3.05

Average Family Size

2.37

Average Household Size

3.7%

Unmarried (Opposite Sex)

0.1%

Unmarried (Same Sex)

South Lyon Education

Education Attained Count Percentage
Less Than 9th Grade1902.29%
9th to 12th Grade4265.14%
High School Graduate1,72820.87%
Some College1,87922.69%
Associates Degree7168.65%
Bachelors Degree2,28827.63%
Graduate Degree1,05412.73%

South Lyon Educational Attainment by Race

Name Total High School Bachelors
White7,8047,3383,135
Asian234178101
Hispanic1909653
Multiple Races505050
Other Race3232
Black121212

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 black people with a rate of 100.00%.

Name Average Male Female
Overall$50,862$60,523$38,975
Less Than High School$15,029$14,960$
High School Grad$28,681$34,043$26,086
Some College$35,114$50,625$31,463
Bachelors Degree$64,596$84,103$53,650
Graduate Degree$72,895$89,545$68,726

$50,862

Average Earnings

$60,523

Average Male

$38,975

Average Female

South Lyon Language

South Lyon Language by Age

South Lyon Language

93.81% of South Lyon residents speak only English, while 6.19% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 2.21% of the population.

South Lyon Poverty

South Lyon Poverty by Race

4.79%

Overall Poverty Rate

3.27%

Male Poverty Rate

6.09%

Female Poverty Rate

Poverty in South Lyon

The race most likely to be in poverty in South Lyon is White, with 5.24% below the poverty level.

The race least likely to be in poverty in South Lyon is White, with 5.24% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.25%. Among those working part-time, it was 8.90%, and for those that did not work, the poverty rate was 9.29%.

Name Poverty
Less Than High School8.53%
High School6.31%
Some College4.61%
Bachelors or Greater2.40%
Name Poverty
Female Unemployed28.89%
Male Unemployed22.35%
Female Employed4.98%
Male Employed0.76%

South Lyon Income

South Lyon Income by Household Type

Name Median Mean
Households$67,327$86,890
Families$95,349$113,786
Married Families$121,567-
Non Families$27,601$40,270

South Lyon Marital Status

South Lyon Marital Status

Marriage Rates

52.1%

Overall Marriage Rate

56.2%

Male Marriage Rate

48.7%

Female Marriage Rate

South Lyon Married by Age and Sex

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

South Lyon Veterans

552

Number of Veterans

540

Male Veterans

12

Female Veterans

War Veterans
Vietnam285
Second Gulf War76
Korea53
First Gulf War53
World War II13
Age Group Veterans
65 to 74209
35 to 54121
75+108
55 to 6459
18 to 3455

$South Lyon Veterans by Education

0.00%

Veteran Poverty Rate

18.32%

Veteran Disability Rate

South Lyon Employment Status

68%

Labor Force Participation

66%

Employment Rate

2.7%

Unemployment Rate

South Lyon Place of Birth

Origin of Non-Citizens

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

Origin of Naturalized Citizens

76.93%

Born in Michigan

93.92%

Native Born

6.08%

Foreign Born

2.72%

Non Citizen

Place of Birth

93.92% of South Lyon residents were born in the United States, with 76.93% having been born in Michigan. 2.72% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Year Population Growth Annual Growth Rate
202011,889290.24%
201911,860290.25%
201811,831300.25%
201711,801290.25%
201611,772270.23%
201511,745-7-0.06%
201411,752410.35%
201311,7111511.31%
201211,5601381.21%
201111,422950.84%
201011,3271,2911.22%
200010,0364,1795.53%
19905,8576431.17%
19805,2142,5396.90%
19702,6750.00%