Unified School District · IL
Sandwich Community Unit School District 430
Sandwich Community Unit School District 430 is a unified school district in Illinois with a community population of 13,374. The median household income is $85,347 and the median age is 42.8.
13,374
Population
261
People / sq mi
$85,347
Median Income
42.8
Median Age
Sandwich Community Unit School District 430 covers 51 sq mi of land at 261.1 people per square mile.
Race & Ethnicity
| White | 85.9% |
| Black or African American | 0.0% |
| Asian | 59.5% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$85,347
Median Household Income
$42,227
Per Capita Income
4.4%
Poverty Rate
1.6%
Unemployment
Housing
$271,400
Median Home Value
$1,054
Median Rent
84.1%
Homeownership
Education Attainment
94.2%
High School+
22.0%
Bachelor's+
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Frequently Asked Questions
Sandwich Community Unit School District 430 serves a community with a population of 13,374 according to the latest Census ACS 5-Year estimates. This unified school district is located in Illinois.
The median household income in Sandwich Community Unit School District 430 is $85,347, with a per capita income of $42,227. The poverty rate is 4.4%.
Sandwich Community Unit School District 430 is 85.9% White, 0.0% Black or African American, 59.5% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Sandwich Community Unit School District 430, 94.2% of adults have a high school diploma or higher, and 22.0% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Sandwich Community Unit School District 430 is $271,400, with a median rent of $1,054. The homeownership rate is 84.1%.
More from Illinois
Data for Sandwich Community Unit School District 430 from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 1735370).
The this entity record above pulls directly from the U.S. Census Bureau ACS and decennial files. What follows is the per-entity context — how this entity sits in the broader U.S. population demographics distribution and which underlying factors drive the headline numbers.
The methodology behind every numeric value on this page is publicly documented on the the U.S. Census Bureau ACS and decennial files portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. states, metros, cities, and ZIPs with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: U.S. Census Bureau ACS, 2026.