Rock, Michigan Demographics & Population 2026
During the 2020–2024 ACS period, Rock, Michigan had a total population of 160, the 705th largest community in Michigan, with a median household income of $71,250, which is 2% lower than the state average. The poverty rate is 19.4%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Housing is very affordable with a home-value-to-income ratio of just 1.7x.
- Unemployment rate of 9.4% is notably above the national average.
Rock Quick Facts
How Rock Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 178 | 160 | -10.1% |
| Median household income | $70,833 | $71,250 | +0.6% |
| Median home value | $128,100 | $122,100 | -4.7% |
How Rock Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 45 | National average: 61
Education
Educational Attainment (Adults 25+)
Rock Rankings in Michigan
Explore Michigan Rankings
Other Cities in Delta County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Escanaba | 12,354 | $45,369 | 17.7% | $125,200 |
| Gladstone | 5,253 | $54,970 | 14.1% | $118,600 |
| Rapid River | 223 | $51,500 | 9.9% | $122,500 |
| Garden | 154 | $42,917 | 11.0% | $86,000 |
Cities Similar to Rock
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Copper Harbor | 163 | $67,188 | $268,800 | 71.8% | 10.7% |
| Oden | 150 | N/A | N/A | 24.1% | 10.7% |
| Stronach | 155 | $66,719 | $109,400 | 16.7% | 4.0% |
| Allen | 170 | $66,111 | $131,300 | 21.2% | 10.0% |
| Nessen City | 149 | $62,222 | $160,400 | 14.0% | 31.5% |
A note before these figures: with a population of 160, Rock's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
Rock is a small community located in Michigan, within Delta County. The total population is 160. It ranks as the 705th most populous out of 745 Census-designated places in Michigan.
Age Demographics
The median age in Rock is 45.5 years. This is 13% higher than the state median of 40.2 years. Only 7.5% of residents are under 18, indicating fewer families with children. 10.6% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Rock is $71,250. This is 2% lower than the state median of $72,875. It is also 12% lower than the national median of $80,734. The poverty rate stands at 19.4%. This is 47% higher than the state poverty rate of 13.2%. The unemployment rate is 9.4%. This is 65% higher than the state rate of 5.7%. The median home value is $122,100. Housing costs are 47% lower than the state median of $231,600. With a home-value-to-income ratio of just 1.7x, Rock is one of the most affordable housing markets in the area. 81.2% of occupied housing units are owner-occupied. This homeownership rate is 11% higher than the state average of 73.2%.
Race & Ethnicity
Rock has a predominantly White (non-Hispanic) population, comprising 95.0% of all residents.
Education
13.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 59% lower than the state rate of 32.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.5%.
Data Sources & Methodology
All demographic data for Rock, Michigan is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Michigan state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 745 Census-designated places in Michigan. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Rock, Michigan?
Rock, Michigan has a population of 160 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Rock, MI?
The median household income in Rock is $71,250, which is 12% lower than the national median of $80,734.
What is the poverty rate in Rock, MI?
The poverty rate in Rock is 19.4%. This means approximately 31 residents live below the federal poverty line.
What is the racial makeup of Rock, Michigan?
Rock's population is 95.0% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Rock, MI?
The median home value in Rock is $122,100. The home-value-to-income ratio is 1.7x.
How educated is Rock, Michigan?
13.4% of adults (25+) in Rock hold a bachelor's degree or higher, and 3.9% hold a graduate or professional degree.