Mason
Source:
Illinois
Mason is a sparsely populated county in Illinois with 9 ZIP codes, 16,745 people, and below-median household income among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.
National county placement
According to ACS 5-Year Estimates, Mason, IL sits among US counties with a below-median household income, on a sparsely populated county population base, across a compact ZIP cluster.
- 38th pct
- household income vs 3,210 US counties
- 16,745
- combined ZIP population
- 9
- USPS ZIP codes covered
- $62,930
- avg ZIP median income
Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.
Mason lands in the national county income distribution as below-median household income on sparsely populated county footing (FIPS 17125, 9 ZIPs, combined population 16,745). Sort the ZIP table by population before treating the county mean as uniform.
Below-median income on a compact ZIP cluster (9 codes). Population density still swings from downtown to farm-edge; the density column is the fastest filter before a side-by-side compare. County-level HUD and FBI inputs still key off FIPS 17125.
Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.
9
Total ZIPs
16,745
Total Population
ZIP Codes in Mason
Side-by-side: Compare 62644 vs 61546 →
Frequently Asked Questions
What is the population of Mason?
Mason has a total population of 16,745 across 9 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Mason?
Mason includes 9 ZIP codes: 62644, 61546, 62664, 62682, 62617, 62633, 61567, 62655, 61532.