62421 ZIP Code — Claremont, IL

Richland County, Illinois

ZIP code 62421 is located in Claremont, Illinois, within Richland County. It covers approximately 53.57 square miles and serves a population of 406 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 618.

About ZIP code 62421

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $71,300. Owner-occupancy is high at 90%, well above the national average.

Median household income is $68,750. 59% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is sales and office, with manufacturing as the leading industry. The average commute of 20 minutes is near the national average.

College attainment at 18% is below the national average, consistent with a trades and production-oriented local economy.

Notable community characteristics include a notable veteran presence at 15% of civilians, above the national average of 7%; and disability rates above the national average at 26%.

Overall, ZIP code 62421 reflects a community defined by a trades-oriented workforce, a strong veteran community, high homeownership, and a significant Social Security-dependent population.

406

population

53.57

sq mi land

Standard

ZIP type

Central (CT)

timezone

62421 ZIP code map

Cities in ZIP code 62421

Below are the cities the US Postal Service accepts for ZIP code 62421. Using any city not on this list may result in mail delivery delays.

City	Status
Claremont	Acceptable
Claremont	Preferred

Nearby ZIP codes

62466 Sumner (5.8 mi) 62450 Olney (7.9 mi) 62425 Dundas (9.1 mi) 62419 Calhoun (9.3 mi) 62417 Bridgeport (9.7 mi) 62452 Parkersburg (11.5 mi) 62475 West Liberty (11.7 mi) 62868 Noble (14.6 mi) 62480 Willow Hill (15.2 mi) 62460 Saint Francisville (17 mi) 62476 West Salem (17.4 mi) 62427 Flat Rock (17.8 mi)

Demographics updated 05/2026

Population
Total population	406
Population density	8 / sq mi
State FIPS	17
County FIPS	159

Geography
Land area	53.57 sq mi
Water area	0.00 sq mi
Latitude	38.7543
Longitude	-87.9580
Timezone	Central (CT)
Area code	618

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	33.8%	46.6%	37.2%
$50k – $100k	50.7%	32.7%	29.6%
$100k – $200k	15.4%	17.9%	24.4%
Over $200k	0.0%	2.8%	8.8%

Demographics & statistics

406

Population

People per sq mi

57.6

Median age

$68,750

Median household income

$34,329

Per capita income

$71,300

Median home value

$745

Median monthly rent

90.2%

Home ownership

9.4%

Poverty rate

8.6%

Unemployment

239

Housing units

18.0%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	76	18.7%
18 and over	330	81.3%
65 and over	158	38.9%
Median age	57.6 years

Race & ethnicity

White 99.8%

Asian 0.2%

Group	Count	%
White	405	99.8%
Asian	1	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	33.8%	46.6%	37.2%
$50k – $100k	50.7%	32.7%	29.6%
$100k – $200k	15.4%	17.9%	24.4%
Over $200k	0.0%	2.8%	8.8%

$10k–$15k 2.9%

$15k–$25k 5.8%

$25k–$35k 5.8%

$35k–$50k 16.2%

$50k–$75k 20.2%

$75k–$100k 22.0%

$100k–$150k 22.5%

$150k–$200k 4.6%

Range	% of households
$10k–$15k	2.9%
$15k–$25k	5.8%
$25k–$35k	5.8%
$35k–$50k	16.2%
$50k–$75k	20.2%
$75k–$100k	22.0%
$100k–$150k	22.5%
$150k–$200k	4.6%
Median income	$68,750

Housing

Home values

Under $50k 31.4%

$50k–$100k 35.3%

$100k–$150k 8.3%

$150k–$200k 1.9%

$200k–$300k 17.9%

$300k–$500k 5.1%

Housing overview

Metric	Value
Median home value	$71,300
Median rent / month	$745
Owner occupied	90.2%
Renter occupied	9.8%
Vacant	32.4%
Single-family detached	74.2%
Large apartment buildings	0.0%
Mobile homes	25.8%
Median rooms	6.5
Avg household size (owned)	2.17

Year built

Era	%
2020 or later	0.0%
2010–2019	0.4%
2000–2009	4.7%
1990–1999	21.5%
1980–1989	16.0%
1970–1979	23.4%
1960–1969	11.3%
1950–1959	4.3%
1940–1949	5.5%
1939 or earlier	12.9%

Bedrooms

Size	% of units
No bedroom (studio)	8.2%
1 bedroom	0.4%
2 bedrooms	18.0%
3 bedrooms	67.2%
4 bedrooms	2.7%
5+ bedrooms	3.5%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	28.3%
2 vehicles	37.0%
3 or more	34.7%

Heating fuel

Fuel type	%
Utility gas	44.5%
Electricity	11.0%
Propane / LP gas	29.5%
Wood	15.0%

Households & families

Household type	Count	%
Married-couple family	114	65.9%
Cohabiting couple	17	9.8%
Male householder, no spouse	19	11.0%
Female householder, no spouse	23	13.3%
Households with children under 18	40	23.1%
Households with seniors (65+)	94	54.3%
Average household size	2.35

Marital status

Status	Male	Female
Never married	17.2%	5.7%
Married	66.7%	68.4%
Separated	0.0%	0.0%
Widowed	0.6%	9.2%
Divorced	15.5%	16.7%

Education

Less than 9th grade 2.1%

Some HS, no diploma 3.0%

HS graduate 23.2%

Some college, no degree 23.5%

Associate's degree 30.2%

Bachelor's degree 9.5%

Graduate / professional 8.5%

Metric	%
HS diploma or higher	94.8%
Bachelor's or higher	18.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	2	2.9%
Kindergarten	0	0.0%
Elementary school	46	66.7%
High school	20	29.0%
College / grad school	1	1.4%

Employment

Industry of employment

Manufacturing 26.0%

Education & healthcare 22.5%

Retail trade 16.0%

Wholesale trade 8.3%

Other services 7.7%

Agriculture & mining 4.7%

Professional & management 4.1%

Construction 3.0%

Finance & real estate 2.4%

Transportation & utilities 1.8%

Arts, food & hospitality 1.8%

Public administration 1.8%

Occupation

Category	%
Management, business & arts	23.7%
Service	13.6%
Sales & office	39.6%
Natural resources & construction	11.2%
Production & transportation	11.8%

Employment type

Type	%
Private sector	81.7%
Government	3.6%
Self-employed	14.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	92.7%
Carpool	2.4%
Public transit	0.0%
Walk	0.0%
Work from home	4.9%
Other means	0.0%
Avg commute (minutes)	19.5

Poverty

All people 9.4%

Under 18 years 13.2%

18 and over 8.5%

Married-couple families 0.0%

Female-led households 44.4%

Income support

Source	% of households
Social Security	59.0%
Retirement income	37.6%
Supplemental Security	1.2%
Cash public assistance	1.7%
Food stamps / SNAP	7.5%

Health indicators

Condition	%
Obesity	34.1%
High blood pressure	34.0%
High cholesterol	35.0%
Diabetes	10.1%
Heart disease	6.9%
Stroke	3.1%
Asthma	9.7%
Arthritis	27.6%
Kidney disease	2.9%
Pulmonary disease	7.4%
Cancer	7.4%

Behavior / access	%
Smoking	17.9%
Binge drinking	15.3%
No physical activity	23.5%
Less than 7 hrs sleep	31.8%
Depression	17.8%
Fair or poor health	13.6%
Poor mental health	12.7%
Poor physical health	10.0%
No health insurance	9.8%
Visited doctor (checkup)	76.9%
Visited dentist	66.0%
Cholesterol screening	90.5%
Teeth loss	12.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	48	14.5%

Disability	%
Any disability	26.4%
Under 18	0.0%
18–64 years	15.1%
65 and over	51.3%

Health insurance coverage

Type	%
Private insurance	77.8%
Public insurance	53.2%
No insurance	2.5%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	394	97.0%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	405	99.8%
Born in same state	404	99.5%
Born in different state	293	72.2%
Foreign born	1	0.2%
Naturalized citizen	1	0.2%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Arab	34	8.4%
Italian	32	7.9%

Ancestry	Count	%
French	9	2.2%
Polish	3	0.7%

Technology access

Metric	% of households
Computer access	42.6%
Internet access	90.8%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 62421

What city is ZIP code 62421 in?

ZIP code 62421 is primarily assigned to Claremont, Illinois.

What county is ZIP code 62421 in?

ZIP code 62421 falls within Richland County, Illinois.

Does ZIP code 62421 have an older population?

39% of residents in ZIP code 62421 are 65 or older, above the national average of ~17%.

Does ZIP code 62421 have a large retiree population?

59% of households in ZIP code 62421 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 62421 mostly owner-occupied?

90% of occupied units in ZIP code 62421 are owner-occupied, well above the national average.

Does ZIP code 62421 have a large veteran population?

15% of civilians in ZIP code 62421 are veterans, above the national average of ~7%.

What timezone is ZIP code 62421 in?

ZIP code 62421 observes the CST timezone.