Where does this demographic data come from?

All demographic data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates, which samples about 3.5 million households annually. The 5-year estimates provide the most reliable data for small geographies like municipalities.

What is the difference between Census data and ACS data?

The decennial Census (conducted every 10 years) is a full population count focusing on basic demographics. The ACS is an ongoing survey that collects detailed data on income, education, housing, commute patterns, and more. ACS data is updated annually but represents averages over a 5-year period.

How accurate is this data for small towns?

For smaller municipalities, ACS estimates have wider margins of error because fewer residents are sampled. The 5-year estimates reduce this uncertainty by averaging over a longer period. For towns under 5,000 people, treat specific numbers as approximations rather than precise counts.

Williamston, MI Population, Income & Demographics 2026

CSALansing-East Lansing-Owosso MSALansing-East Lansing#4/26 Home Value

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Demographics — 2024 ACS 5-Year Estimatesi

Census

Populationi

3,807

Median Agei

40.9

Race & Ethnicityi

White

93.9%3,576

Hispanic/Latino

3.4%129

Two or More

1.5%59

Asian

1.1%43

Educational Attainment (Age 25+)i

GED/Alternative

2.4%64

High School Diploma

10.8%286

Some College (<1 yr)

10.8%287

Some College (1+ yr)

21.8%578

Associate's Degree

12.2%324

Bachelor's Degree

24.1%639

Master's Degree

8.4%223

Professional Degree

7.4%195

Doctorate

1%27

HS or Higher

98.9%

BA or Higher

40.9%

Graduate+

16.8%

Housingi

Median Home Valuei

$226,800

Median Renti

$900

Tenure

Owner-Occupied

66.4%1,192

Renter-Occupied

33.6%602

Total Units

1,903

Homeownership

66.4%

Vacancy Rate

5.7%

Home Values

Under $50K

8%95

$100K–$150K

10.4%124

$150K–$200K

24.9%297

$200K–$300K

30%358

$300K–$500K

22.1%264

$500K–$1M

4.5%54

Rent Distribution

Under $500

$500–$750

$750–$1,000

278

$1,000–$1,250

$1,250–$1,500

101

$1,500–$2,000

Year Built

2020 or later

2.6%49

2010–2019

1.7%32

2000–2009

16.7%317

1990–1999

21.7%412

1980–1989

2.9%55

1970–1979

14.5%275

1960–1969

6.4%121

1950–1959

8.5%162

1940–1949

7.8%148

1939 or earlier

17.4%332

Heating Fuel

Utility Gas

76.2%1,367

Electricity

16.8%301

Bottled/LP Gas

4.8%86

Fuel Oil

1.3%24

No Fuel

0.9%16

Economyi

Median Household Incomei

$71,379

Mean Household Incomei

$99,722

Per Capita Incomei

$47,131

Poverty Ratei

9.2%

Unemploymenti

4.3%

Labor Forcei

1,948

Household Income Distribution

Under $10K

3.8%69

$10K–$15K

7.6%137

$15K–$20K

2.4%43

$20K–$25K

4.2%75

$25K–$30K

9.3%166

$30K–$35K

5.7%102

$35K–$40K

2.3%42

$40K–$45K

0.3%6

$45K–$50K

1.1%20

$50K–$60K

8.6%155

$60K–$75K

9.3%167

$75K–$100K

10.8%193

$100K–$125K

7.3%131

$125K–$150K

7.3%131

$150K–$200K

2.6%46

$200K+

17.3%311

Ancestry & Heritage

Self-reported ancestry groups. Residents may report multiple ancestries, so totals may exceed 100%.

Commute & Transportationi

Workersi

1,864

Avg. Commutei

26 min

How People Get to Work

Travel Time to Work

Social Characteristicsi

Marital Status (15+)i

Veteransi

91(3.1% of civilian adults)