62321 ZIP Code — Carthage, IL

Hancock County, Illinois

ZIP code 62321 is located in Carthage, Illinois, within Hancock County. It covers approximately 167.62 square miles and serves a population of 3,717 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 217.

About ZIP code 62321

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $119,800. Owner-occupancy is high at 81%, well above the national average.

Median household income is $76,635. 37% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 27 minutes is near the national average.

Educational attainment is near the national average, with 35% of residents holding a bachelor's degree or higher.

Overall, ZIP code 62321 reflects a community defined by high homeownership and a significant Social Security-dependent population.

3,717

population

167.62

sq mi land

Standard

ZIP type

Central (CT)

timezone

62321 ZIP code map

Cities in ZIP code 62321

Below are the cities the US Postal Service accepts for ZIP code 62321. Using any city not on this list may result in mail delivery delays.

City	Status
Carthage	Acceptable
Carthage	Preferred

Nearby ZIP codes

62374 Tennessee (7.9 mi) 62313 Basco (8.4 mi) 62330 Dallas City (11.2 mi) 62316 Bowen (11.6 mi) 61450 La Harpe (12 mi) 62341 Hamilton (12.6 mi) 62311 Augusta (13.2 mi) 62380 West Point (13.3 mi) 62326 Colchester (15.1 mi) 62358 Niota (15.2 mi) 62354 Nauvoo (15.3 mi) 62379 Warsaw (15.9 mi)

Demographics updated 05/2026

Population
Total population	3,717
Population density	22 / sq mi
State FIPS	17
County FIPS	067

Geography
Land area	167.62 sq mi
Water area	0.21 sq mi
Latitude	40.4018
Longitude	-91.0991
Timezone	Central (CT)
Area code	217

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	33.6%	44.8%	37.2%
$50k – $100k	44.6%	36.5%	29.6%
$100k – $200k	16.3%	15.8%	24.4%
Over $200k	5.5%	2.9%	8.8%

Demographics & statistics

3,717

Population

People per sq mi

49.7

Median age

$76,635

Median household income

$41,849

Per capita income

$119,800

Median home value

$675

Median monthly rent

80.7%

Home ownership

9.8%

Poverty rate

2.0%

Unemployment

1,659

Housing units

34.6%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

133

10–14

117

119

15–19

104

20–24

253

25–34

221

224

35–44

196

193

45–54

169

55–59

149

182

60–64

159

273

65–74

240

165

75–84

145

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	617	16.6%
18 and over	3,100	83.4%
65 and over	949	25.5%
Median age	49.7 years

Race & ethnicity

White 89.5%

Hispanic or Latino 4%

Two or more races 3.5%

Other race 1.7%

Black or African American 0.7%

Asian 0.4%

American Indian / Alaska Native 0.3%

Group	Count	%
White	3,463	89.5%
Hispanic or Latino	154	4%
Two or more races	137	3.5%
Other race	64	1.7%
Black or African American	26	0.7%
Asian	17	0.4%
American Indian / Alaska Native	10	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	33.6%	44.8%	37.2%
$50k – $100k	44.6%	36.5%	29.6%
$100k – $200k	16.3%	15.8%	24.4%
Over $200k	5.5%	2.9%	8.8%

Under $10k 3.9%

$10k–$15k 2.3%

$15k–$25k 6.2%

$25k–$35k 6.3%

$35k–$50k 12.9%

$50k–$75k 16.9%

$75k–$100k 17.4%

$100k–$150k 19.0%

$150k–$200k 7.4%

$200k+ 7.7%

Range	% of households
Under $10k	3.9%
$10k–$15k	2.3%
$15k–$25k	6.2%
$25k–$35k	6.3%
$35k–$50k	12.9%
$50k–$75k	16.9%
$75k–$100k	17.4%
$100k–$150k	19.0%
$150k–$200k	7.4%
$200k+	7.7%
Median income	$76,635

Housing

Home values

Under $50k 3.3%

$50k–$100k 34.8%

$100k–$150k 27.9%

$150k–$200k 14.4%

$200k–$300k 8.3%

$300k–$500k 10.0%

$500k–$1M 1.2%

Housing overview

Metric	Value
Median home value	$119,800
Median rent / month	$675
Owner occupied	80.7%
Renter occupied	19.3%
Vacant	14.0%
Single-family detached	80.6%
Large apartment buildings	1.9%
Mobile homes	0.5%
Median rooms	5.8
Avg household size (owned)	2.18

Year built

Era	%
2020 or later	0.0%
2010–2019	7.6%
2000–2009	7.5%
1990–1999	6.5%
1980–1989	7.3%
1970–1979	13.6%
1960–1969	5.8%
1950–1959	18.7%
1940–1949	5.2%
1939 or earlier	27.9%

Bedrooms

Size	% of units
No bedroom (studio)	4.9%
1 bedroom	7.0%
2 bedrooms	32.0%
3 bedrooms	37.5%
4 bedrooms	17.0%
5+ bedrooms	1.6%

Vehicles per household

Vehicles	% of households
No vehicle	1.8%
1 vehicle	35.5%
2 vehicles	31.3%
3 or more	31.3%

Heating fuel

Fuel type	%
Utility gas	51.9%
Electricity	36.4%
Propane / LP gas	8.8%
Fuel oil	0.3%
No fuel used	2.6%

Households & families

Household type	Count	%
Married-couple family	963	56.3%
Cohabiting couple	45	2.6%
Male householder, no spouse	371	21.7%
Female householder, no spouse	332	19.4%
Households with children under 18	327	19.1%
Households with seniors (65+)	651	38.0%
Average household size	2.11

Marital status

Status	Male	Female
Never married	20.7%	16.3%
Married	62.0%	59.5%
Separated	1.8%	1.0%
Widowed	6.1%	13.0%
Divorced	9.5%	10.2%

Education

Less than 9th grade 1.0%

Some HS, no diploma 3.8%

HS graduate 24.9%

Some college, no degree 24.5%

Associate's degree 11.2%

Bachelor's degree 25.5%

Graduate / professional 9.1%

Metric	%
HS diploma or higher	95.2%
Bachelor's or higher	34.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	47	6.7%
Kindergarten	11	1.6%
Elementary school	365	52.1%
High school	153	21.9%
College / grad school	124	17.7%

Employment

Industry of employment

Education & healthcare 26.4%

Retail trade 12.4%

Finance & real estate 11.8%

Manufacturing 11.5%

Agriculture & mining 8.5%

Professional & management 7.8%

Arts, food & hospitality 4.5%

Public administration 4.4%

Construction 3.3%

Other services 3.1%

Wholesale trade 2.8%

Transportation & utilities 2.4%

Information 1.2%

Occupation

Category	%
Management, business & arts	37.2%
Service	13.0%
Sales & office	26.8%
Natural resources & construction	12.0%
Production & transportation	10.9%

Employment type

Type	%
Private sector	72.4%
Government	16.3%
Self-employed	11.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	90.3%
Carpool	4.4%
Public transit	0.5%
Walk	1.1%
Work from home	3.5%
Other means	0.1%
Avg commute (minutes)	26.9

Poverty

All people 9.8%

Under 18 years 19.1%

18 and over 7.9%

Married-couple families 1.7%

Female-led households 65.6%

Income support

Source	% of households
Social Security	37.3%
Retirement income	26.9%
Supplemental Security	3.4%
Cash public assistance	0.5%
Food stamps / SNAP	10.1%

Health indicators

Condition	%
Obesity	33.9%
High blood pressure	36.1%
High cholesterol	34.7%
Diabetes	11.1%
Heart disease	7.9%
Stroke	3.6%
Asthma	9.7%
Arthritis	30.0%
Kidney disease	3.4%
Pulmonary disease	8.2%
Cancer	8.1%

Behavior / access	%
Smoking	17.7%
Binge drinking	14.3%
No physical activity	25.7%
Less than 7 hrs sleep	31.6%
Depression	17.4%
Fair or poor health	15.2%
Poor mental health	12.5%
Poor physical health	10.6%
No health insurance	10.0%
Visited doctor (checkup)	77.8%
Visited dentist	65.7%
Cholesterol screening	90.3%
Teeth loss	15.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	207	6.7%

Disability	%
Any disability	16.2%
Under 18	0.0%
18–64 years	12.2%
65 and over	36.8%

Health insurance coverage

Type	%
Private insurance	79.6%
Public insurance	39.3%
No insurance	1.7%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,621	97.4%
Spanish	29	0.8%
Other Indo-European	23	0.6%
Asian & Pacific Islander	6	0.2%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,614	97.2%
Born in same state	3,578	96.3%
Born in different state	2,196	59.1%
Foreign born	36	1.0%
Naturalized citizen	103	2.8%
Not a US citizen	37	35.9%

Ancestry

Ancestry	Count	%
French	640	17.2%
Italian	534	14.4%
Arab	275	7.4%
Polish	88	2.4%

Ancestry	Count	%
English	46	1.2%
Dutch	11	0.3%
German	5	0.1%

Technology access

Metric	% of households
Computer access	46.0%
Internet access	89.0%

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

Frequently asked questions about ZIP code 62321

What city is ZIP code 62321 in?

ZIP code 62321 is primarily assigned to Carthage, Illinois.

What county is ZIP code 62321 in?

ZIP code 62321 falls within Hancock County, Illinois.

Does ZIP code 62321 have an older population?

26% of residents in ZIP code 62321 are 65 or older, above the national average of ~17%.

Is ZIP code 62321 mostly owner-occupied?

81% of occupied units in ZIP code 62321 are owner-occupied, well above the national average.

Does ZIP code 62321 have a large retiree population?

37% of households in ZIP code 62321 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 62321?

The median home value in ZIP code 62321 is $119,800.

What timezone is ZIP code 62321 in?

ZIP code 62321 observes the CST timezone.