Richland County, IL ZIP Codes

6 ZIP codes cover all or part of Richland County, Illinois: 62450, 62868, 62425, 62452, 62421 and 62419. The Census Bureau counts 15,598 residents in the county, with a median household income of $62,455 and a median home value of $112,000. Median household income ranges from $61,645 in 62868 to $62,096 in 62450. Its largest communities include Olney, Noble, Dundas, Parkersburg and Calhoun.

Richland County (Census county figures)

MeasureCensus figure
Residents15,598
Households6,443
Median household income$62,455
Median home value$112,000
Median age42.3
Median rent$805

All 6 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)15,733
Households (sum of ZIP codes)6,501
Median household income, range across ZIP codes$61,645 (62868) to $62,096 (62450)
Household-weighted average of ZIP medians (an approximation, not a true median)$62,048
Homeowners73.8%
Households with kids under 1828.2%
Moved in the past year8.7%
Carrier routes in EDDM2GO's route library15 routes, 5,968 homes (3 of 6 ZIP codes)

Top facts

Every ZIP code in Richland County

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
62450Olney12,3275,119$62,096$116,50069.5%28.9%10.1%125,65199% of its land
62868Noble1,463607$61,645$116,30085.2%19.4%3.9%261067% of its land
62425Dundas838312$54,400$107,00097.1%37.2%0.0%——83% of its land
62452Parkersburg387188$78,036$78,30093.6%17.6%12.4%1154100% of its land
62421Claremont366150$55,833$85,00088.0%30.7%3.6%——93% of its land
62419Calhoun352125$95,982$105,50090.4%31.2%1.8%——100% of its land

A ZIP code is listed for Richland 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 Richland County ZIP codes

EDDM guides

Pick carrier routes on the EDDM route map

Frequently asked questions

What ZIP codes are in Richland County, IL?
62450, 62868, 62425, 62452, 62421 and 62419. Some cross the county line; the table shows each ZIP's share of land in the county.
What is the population of Richland County?
15,598 residents in 6,443 households (ACS 5-year estimates, 2020–2024).
What is the median household income in Richland County?
$62,455 for the county as a whole. Its ZIP codes range from $61,645 (62868) to $62,096 (62450).
Which Richland County ZIP code has the highest median household income?
62450, at $62,096, among ZIP codes with at least 1,000 residents.
How many carrier routes and mailboxes are in Richland County?
For the 3 of 6 ZIP codes in EDDM2GO's stored route library: 15 carrier routes reaching 5,968 residential and 447 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.