Hamilton ZIP Codes — Hancock County, IL

There is one unique ZIP code in Hamilton, Illinois and it is 62341. Area code: 217.

ZIP codes

46.54

sq mi land

3.72

sq mi water

217

area code

Hamilton, IL ZIP code map

About Hamilton, IL

Hamilton, Illinois, is a charming city located in the heart of Hancock County. Known for its friendly community and small-town spirit, it offers a serene lifestyle for its residents. With its blend of rich history and modern amenities, Hamilton stands out as a welcoming place to live and visit.

Location & geography

Hamilton is situated in western Illinois, approximately 10 miles from the nearby city of Keokuk, Iowa, and around 20 miles from Quincy, Illinois. The city covers a total land area of 46.54 square miles and has a water area of 3.72 square miles. The surrounding terrain features a picturesque landscape that includes rivers and lush green spaces, making it a pleasant environment for both residents and visitors.

Community & economy

The character of Hamilton is defined by its tight-knit community and a focus on local values. The city thrives on agriculture and small businesses, contributing to a robust local economy. Daily life in Hamilton revolves around community events, outdoor activities, and strong local traditions that foster a sense of belonging.

Transportation

Major transportation routes in Hamilton include Illinois Route 9, which facilitates travel to neighboring towns and regions. The nearest named airport is Quincy Regional Airport, located about 30 miles away, ensuring that residents have access to air travel. Public transportation options are limited, so many residents rely on personal vehicles for commuting.

History

Hamilton was founded in the mid-19th century, becoming an important hub for trade and agriculture in Hancock County. Over the years, it has developed key industries that include farming and local craftsmanship. Notable events in the city's history reflect its growth and resilience through changing economic landscapes.

Did you know?

A little-known fact about Hamilton is that it features the beautiful Mississippi River, which provides recreational opportunities such as fishing and boating. Additionally, the city hosts annual events that celebrate its cultural heritage and community spirit.

ZIP codes for Hamilton, IL (1)

ZIP code	City	County	Map
62341	Hamilton	Hancock	View map

Demographics & statistics

3,453

Population

44.3

Median age

$55,815

Median household income

$41,434

Per capita income

$114,300

Median home value

$801

Median monthly rent

75.9%

Home ownership

8.1%

Poverty rate

1.2%

Unemployment

1,258

Housing units

25.5%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

103

140

10–14

168

15–19

116

20–24

160

25–34

191

186

35–44

223

211

45–54

254

55–59

113

60–64

110

183

65–74

219

111

75–84

133

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	812	23.5%
18 and over	2,641	76.5%
65 and over	777	22.5%
Median age	44.3 years

Race & ethnicity

White 96.6%

Two or more races 1.4%

Black or African American 1.3%

Asian 0.4%

Hispanic or Latino 0.3%

Group	Count	%
White	3,344	96.6%
Two or more races	50	1.4%
Black or African American	44	1.3%
Asian	15	0.4%
Hispanic or Latino	9	0.3%

Household income

Under $10k 2.2%

$10k–$15k 1.6%

$15k–$25k 16.4%

$25k–$35k 8.1%

$35k–$50k 17.8%

$50k–$75k 17.9%

$75k–$100k 7.3%

$100k–$150k 16.4%

$150k–$200k 6.7%

$200k+ 5.4%

Range	% of households
Under $10k	2.2%
$10k–$15k	1.6%
$15k–$25k	16.4%
$25k–$35k	8.1%
$35k–$50k	17.8%
$50k–$75k	17.9%
$75k–$100k	7.3%
$100k–$150k	16.4%
$150k–$200k	6.7%
$200k+	5.4%
Median income	$55,815

Housing

Home values

Under $50k 12.6%

$50k–$100k 28.4%

$100k–$150k 24.4%

$150k–$200k 16.5%

$200k–$300k 10.9%

$300k–$500k 5.8%

$500k–$1M 0.6%

$1M+ 0.8%

Housing overview

Metric	Value
Median home value	$114,300
Median rent / month	$801
Owner occupied	75.9%
Renter occupied	24.1%
Vacant	10.9%
Single-family detached	78.8%
Large apartment buildings	0.0%
Mobile homes	8.0%
Median rooms	5.9
Avg household size (owned)	2.48

Year built

Era	%
2020 or later	0.0%
2010–2019	0.5%
2000–2009	4.4%
1990–1999	10.9%
1980–1989	11.9%
1970–1979	17.6%
1960–1969	12.5%
1950–1959	14.2%
1940–1949	4.5%
1939 or earlier	23.6%

Bedrooms

Size	% of units
No bedroom (studio)	1.2%
1 bedroom	5.6%
2 bedrooms	32.4%
3 bedrooms	42.4%
4 bedrooms	16.4%
5+ bedrooms	1.9%

Vehicles per household

Vehicles	% of households
No vehicle	4.9%
1 vehicle	26.7%
2 vehicles	41.7%
3 or more	26.7%

Heating fuel

Fuel type	%
Utility gas	32.0%
Electricity	54.0%
Propane / LP gas	9.7%
Fuel oil	0.7%
Wood	3.6%

Households & families

Household type	Count	%
Married-couple family	703	49.2%
Cohabiting couple	143	10.0%
Male householder, no spouse	175	12.2%
Female householder, no spouse	408	28.6%
Households with children under 18	445	31.1%
Households with seniors (65+)	570	39.9%
Average household size	2.37

Marital status

Status	Male	Female
Never married	28.4%	21.5%
Married	57.2%	45.4%
Separated	0.0%	2.1%
Widowed	4.7%	10.6%
Divorced	9.7%	20.5%

Education

Less than 9th grade 2.2%

Some HS, no diploma 1.2%

HS graduate 33.4%

Some college, no degree 24.6%

Associate's degree 13.2%

Bachelor's degree 17.6%

Graduate / professional 7.9%

Metric	%
HS diploma or higher	96.7%
Bachelor's or higher	25.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	75	9.6%
Kindergarten	7	0.9%
Elementary school	448	57.1%
High school	166	21.2%
College / grad school	88	11.2%

Employment

Industry of employment

Education & healthcare 25.4%

Retail trade 14.5%

Professional & management 10.5%

Other services 9.8%

Manufacturing 9.0%

Arts, food & hospitality 8.2%

Construction 6.2%

Agriculture & mining 3.8%

Public administration 3.6%

Transportation & utilities 2.9%

Finance & real estate 2.8%

Wholesale trade 2.4%

Information 0.9%

Occupation

Category	%
Management, business & arts	43.4%
Service	12.8%
Sales & office	18.8%
Natural resources & construction	11.8%
Production & transportation	13.2%

Employment type

Type	%
Private sector	78.4%
Government	10.0%
Self-employed	10.9%
Unpaid family workers	0.6%

Commute

Method	%
Drive alone	77.2%
Carpool	9.5%
Public transit	0.0%
Walk	0.0%
Other means	0.8%
Avg commute (minutes)	21.1

Poverty

All people 8.1%

Under 18 years 9.9%

18 and over 7.5%

Married-couple families 1.7%

Female-led households 41.2%

Income support

Source	% of households
Social Security	41.1%
Retirement income	26.7%
Supplemental Security	1.9%
Cash public assistance	5.4%
Food stamps / SNAP	9.9%

Health indicators

Condition	%
High blood pressure	35.3%
High cholesterol	34.5%
Heart disease	7.3%
Stroke	3.4%
Asthma	9.7%
Arthritis	29.6%
Kidney disease	3.2%
Pulmonary disease	7.8%
Cancer	8.0%

Behavior / access	%
Binge drinking	14.7%
No physical activity	24.7%
Less than 7 hrs sleep	31.9%
Fair or poor health	14.3%
Poor mental health	12.5%
Poor physical health	10.2%
No health insurance	9.5%
Visited doctor (checkup)	77.5%
Visited dentist	67.0%
Cholesterol screening	90.8%
Teeth loss	13.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	184	7.1%

Disability	%
Any disability	13.8%
Under 18	5.5%
18–64 years	11.0%
65 and over	30.3%

Health insurance coverage

Type	%
Private insurance	73.2%
Public insurance	39.5%
Uninsured under 19	4.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,275	94.8%
Spanish	33	1.0%
Other Indo-European	11	0.3%
Asian & Pacific Islander	0	0.0%
Other languages	22	0.7%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,379	97.9%
Born in same state	3,366	97.5%
Born in different state	1,489	43.1%
Foreign born	13	0.4%
Naturalized citizen	74	2.1%
Not a US citizen	64	86.5%

Ancestry

Ancestry	Count	%
French	459	13.3%
Italian	397	11.5%
Arab	380	11%

Ancestry	Count	%
Polish	75	2.2%
Irish	36	1%
English	25	0.7%

Technology access

Metric	% of households
Computer access	41.4%
Internet access	92.0%

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

Frequently asked questions

What ZIP codes does Hamilton, IL have?

Hamilton, IL has one ZIP code: 62341. Each ZIP code serves a distinct delivery area within the city and surrounding region.