Sandwich, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Sandwich, Illinois had a total population of 7,219, the 279th largest city in Illinois, with a median household income of $80,768, which is 3% lower than the state average. The poverty rate is 10.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Sandwich Quick Facts
How Sandwich 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 | 7,121 | 7,219 | +1.4% |
| Median household income | $77,027 | $80,768 | +4.9% |
| Median home value | $239,600 | $255,700 | +6.7% |
How Sandwich 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: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
Sandwich Rankings in Illinois
Explore Illinois Rankings
Other Cities in Kendall County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Yorkville | 23,617 | $108,513 | 3.3% | $335,300 |
| Plano | 12,203 | $86,271 | 10.2% | $230,700 |
| Boulder Hill | 8,989 | $80,377 | 8.8% | $238,700 |
| Newark | 1,138 | $99,375 | 4.4% | $241,100 |
| Millington | 729 | $81,775 | 7.7% | $230,700 |
| Lisbon | 373 | $99,375 | 1.9% | $231,300 |
| Millbrook | 243 | $137,560 | 4.5% | $361,900 |
| Plattville | 225 | $113,750 | 0.0% | $309,100 |
Cities Similar to Sandwich
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| North Riverside | 7,249 | $77,170 | $297,800 | 42.9% | 7.9% |
| University Park | 7,306 | $73,844 | $153,200 | 26.5% | 14.4% |
| Chester | 6,797 | $80,625 | $111,700 | 10.2% | 21.6% |
| Robinson | 7,084 | $73,993 | $109,100 | 25.4% | 9.6% |
| Marengo | 7,040 | $73,523 | $229,900 | 15.4% | 15.7% |
Population Overview
Sandwich is a small city located in Illinois, within Kendall County. The total population is 7,219. It ranks as the 279th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Sandwich is 39.3 years. This is about the same as the state median of 39.0 years.
Economy, Income & Housing
The median household income in Sandwich is $80,768. This is 3% lower than the state median of $83,390. It is also about the same as the national median of $80,734. The poverty rate stands at 10.3%. This is 13% lower than the state poverty rate of 11.8%. The unemployment rate is 3.2%. This is 45% lower than the state rate of 5.8%. The median home value is $255,700. Housing costs are 3% lower than the state median of $263,300. The home-value-to-income ratio is 3.2x. 75.5% of occupied housing units are owner-occupied. This homeownership rate is 13% higher than the state average of 67.1%.
Race & Ethnicity
The largest racial or ethnic group in Sandwich is White (non-Hispanic), making up 81.0% of the population. Hispanic or Latino residents account for 11.0%. The Black or African American population (0.4%) is well below the state average of 13.3%. The Asian population (1.1%) is well below the state average of 5.9%.
Education
20.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 46% lower than the state rate of 37.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.9%.
Data Sources & Methodology
All demographic data for Sandwich, Illinois 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 Illinois state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,445 Census-designated places in Illinois. 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 Sandwich, Illinois?
Sandwich, Illinois has a population of 7,219 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Sandwich, IL?
The median household income in Sandwich is $80,768, which is about the same as the national median of $80,734.
What is the poverty rate in Sandwich, IL?
The poverty rate in Sandwich is 10.3%. This means approximately 725 residents live below the federal poverty line.
What is the racial makeup of Sandwich, Illinois?
Sandwich's population is 81.0% White, 0.4% Black, 11.0% Hispanic/Latino, and 1.1% Asian.
What is the median home value in Sandwich, IL?
The median home value in Sandwich is $255,700. The home-value-to-income ratio is 3.2x.
How educated is Sandwich, Illinois?
20.3% of adults (25+) in Sandwich hold a bachelor's degree or higher, and 6.7% hold a graduate or professional degree.