Mason County, IL ZIP Codes

11 ZIP codes cover all or part of Mason County, Illinois. The Census Bureau counts 12,745 residents in the county, with a median household income of $62,845 and a median home value of $103,400. Median household income ranges from $57,689 in 62644 to $79,551 in 61546. Its largest communities include Havana, Mason City, San Jose, Easton and Kilbourne.

Mason County (Census county figures)

MeasureCensus figure
Residents12,745
Households5,781
Median household income$62,845
Median home value$103,400
Median age45.4
Median rent$802

All 11 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)15,952
Households (sum of ZIP codes)7,078
Median household income, range across ZIP codes$57,689 (62644) to $79,551 (61546)
Household-weighted average of ZIP medians (an approximation, not a true median)$67,726
Homeowners83.6%
Households with kids under 1826.1%
Moved in the past year8.5%
Carrier routes in EDDM2GO's route library16 routes, 5,376 homes (5 of 11 ZIP codes)

Top facts

Every ZIP code in Mason County

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
62644Havana4,6152,111$57,689$102,90081.8%28.6%8.8%52,30268% of its land
61546Manito3,8491,646$79,551$136,40086.6%26.1%11.1%41,79537% of its land
62664Mason City2,9221,316$70,509$101,20081.1%24.9%5.0%41,249100% of its land
62627Chandlerville1,006432$63,235$84,30083.8%23.4%6.5%——38% of its land
62682San Jose684271$60,125$100,40086.7%29.9%16.2%119256% of its land
62633Easton638292$44,783$86,90086.0%20.5%11.9%——100% of its land
62655Kilbourne594216$56,750—83.3%36.6%0.8%——100% of its land
62617Bath524292$56,667$69,00088.7%13.0%2.3%——100% of its land
61567Topeka411196$68,750$87,70077.0%19.4%14.7%——100% of its land
62671New Holland362151$98,750$108,90088.7%31.1%4.2%——10% of its land
61532Forest City347155$71,544$116,00082.6%26.5%10.1%2142100% of its land

A ZIP code is listed for Mason County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.

Cities and communities

Price a mailing to Mason County ZIP codes

EDDM guides

Pick carrier routes on the EDDM route map

Frequently asked questions

What ZIP codes are in Mason County, IL?
62644, 61546, 62664, 62627, 62682, 62633, 62655, 62617, 61567, 62671 and 61532. Some cross the county line; the table shows each ZIP's share of land in the county.
What is the population of Mason County?
12,745 residents in 5,781 households (ACS 5-year estimates, 2020–2024).
What is the median household income in Mason County?
$62,845 for the county as a whole. Its ZIP codes range from $57,689 (62644) to $79,551 (61546).
Which Mason County ZIP code has the highest median household income?
61546, at $79,551, among ZIP codes with at least 1,000 residents.
How many carrier routes and mailboxes are in Mason County?
For the 5 of 11 ZIP codes in EDDM2GO's stored route library: 16 carrier routes reaching 5,376 residential and 303 business mailboxes. The route map loads the rest when you search them.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.