Trenton, Michigan Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Trenton, Michigan is 18,242 as of the 2023 American Community Survey, making it the 64th-largest city in Michigan. The median household income is $78,565, the median home value is $202,400, and the median age is 48.3.
The population has declined 4.6% since 2010 (18,816 → 17,957).
18,242
Population
2518
People / sq mi
$78,565
Median Income
$202,400
Median Home Value
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Trenton covers 7.2 sq mi of land at 2518 people per square mile.
About Trenton, MI
Age is the most distinctive thing about Trenton: a median age of 48.3, older than the national median. With 18,242 residents, Trenton is a city in Michigan.
Median household income is $78,565, near the US median of $78,538. The poverty rate, 4.1%, is on the lower side for US cities and below the national 12.4%. Housing is relatively affordable, with a median home value of $202,400, with typical rent around $873.
Degree attainment is mid-range for US cities: 27.0% of adults hold a four-year degree, below the national 35.0%. Around 12.2% of workers work from home, below the national 14.0%, and the average commute runs about 26 minutes each way.
The age structure shapes everything downstream in Trenton — from housing demand to the mix of working-age earners reflected in the income figures above.
Trenton city Population History (2010-2024)
The city of Trenton city had a population of 18,816 in 2010 and 17,957 in 2024, a -4.6% growth over 14 years. The peak was 18,816 in 2010. Average annual growth rate: -0.33%.
17,957
Population (2024)
18,816
Population (2010)
18,816
Peak (2010)
-0.33%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 18,816 |
| 2011 | 18,715 |
| 2012 | 18,666 |
| 2013 | 18,520 |
| 2014 | 18,512 |
| 2015 | 18,440 |
| 2016 | 18,367 |
| 2017 | 18,296 |
| 2018 | 18,224 |
| 2019 | 18,157 |
| 2020 | 18,475 |
| 2021 | 18,262 |
| 2022 | 18,038 |
| 2023 | 17,938 |
| 2024 | 17,957 |
Race & Ethnicity
| White | 88.4% |
| Black or African American | 3.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.8% |
| Two or More Races | 0.0% |
Economy & Income
$78,565
Median Household Income
$42,757
Per Capita Income
4.1%
Poverty Rate
2.2%
Unemployment Rate
Housing
$202,400
Median Home Value
$873
Median Rent
83.0%
Owner-Occupied
Education
95.8%
High School+
27.0%
Bachelor's+
Commute
0.2%
Drive Alone
80.6%
Public Transit
12.2%
Work From Home
26.2 min
Avg Commute
Community Profile
10.7%
Foreign Born
96.0%
Non-English at Home
7.2%
Veterans
14.8%
With Disability
97.1%
Health Insurance
94.2%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 21.3% |
| Manufacturing | 17.5% |
| Education, Health Care & Social Services | 9.5% |
| Finance, Insurance & Real Estate | 8.9% |
| Retail Trade | 7.8% |
| Information | 7.8% |
| Arts, Entertainment & Food Services | 5.3% |
| Public Administration | 5.3% |
| Construction | 4.2% |
| Transportation & Warehousing | 0.8% |
| Agriculture & Mining | 0.2% |
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City rankings
Frequently Asked Questions
Trenton, Michigan has a population of 18,242 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 64th-largest city in Michigan.
The median household income in Trenton, Michigan is $78,565, with 4.1% of residents living below the federal poverty level.
The median home value in Trenton, Michigan is $202,400, with median monthly rent at $873 and a homeownership rate of 83.0%.
The median age in Trenton, Michigan is 48.3 years. The population is 50.1% male and 49.9% female.
The population has declined 4.6% since 2010 (18,816 → 17,957).
Trenton city, MI Climate
Trenton city, MI has an average annual temperature of 9.6°C (49°F) and receives about 866 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
9.6°C
Avg Temp
866
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -4° / 24° | 46 mm |
| February | -3° / 27° | 48 mm |
| March | 2° / 36° | 67 mm |
| April | 8° / 47° | 77 mm |
| May | 15° / 59° | 79 mm |
| June | 20° / 68° | 88 mm |
| July | 23° / 73° | 83 mm |
| August | 22° / 71° | 84 mm |
| September | 18° / 64° | 88 mm |
| October | 11° / 52° | 62 mm |
| November | 5° / 40° | 75 mm |
| December | -1° / 30° | 69 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Trenton city, MI
The most comfortable months to visit Trenton city, MI are typically August, June and July, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 28°C high). The coldest is January (near -8°C low). June is usually the wettest month.
Where to stay near Trenton
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.