Plainville ZIP Code List — Adams County, IL

There is one unique ZIP code in Plainville, Illinois and it is 62365. Area code: 217.

ZIP codes

27.44

sq mi land

0.02

sq mi water

217

area code

Plainville, IL ZIP code map

About Plainville, IL

Plainville, Illinois, is a small yet charming city located in Adams County. Known for its tranquil atmosphere and close-knit community, it offers a peaceful retreat from the hustle and bustle of larger urban areas. The city's rich agricultural background contributes to its unique character and laid-back lifestyle.

Location & geography

Plainville is situated in the western part of Illinois, approximately 10 miles northeast of Quincy, a larger nearby city. The surrounding terrain consists primarily of flat farmland, with the city itself covering a land area of 27.44 square miles and a water area of 0.02 square miles. This peaceful setting is complemented by its proximity to other towns such as Mendon, about 8 miles to the east, and Liberty, roughly 5 miles to the north.

Community & economy

Plainville is characterized by its friendly, welcoming atmosphere where residents often participate in community events and local gatherings. The local economy is mainly driven by agriculture, with farming and related industries playing a vital role in daily life. Residents enjoy a slower pace of living, with opportunities for outdoor activities and strong connections to their neighbors.

Transportation

The city is conveniently accessible via nearby highways, including Illinois Route 336, which connects Plainville to larger cities and towns in the region. For air travel, the nearest major airport is Quincy Regional Airport, located approximately 15 miles away. Public transportation options in the area may be limited, which encourages a reliance on personal vehicles for commuting.

History

Plainville was founded in the late 19th century, thriving as an agricultural community due to the fertile soil of Adams County. Over the years, farming has remained a crucial industry, shaping the city's economy and lifestyle. Key events in Plainville’s history often revolve around agricultural fairs and community celebrations, reflecting the city’s dedication to its farming heritage.

Did you know?

One little-known fact about Plainville is that it has a unique blend of rural charm and accessibility to urban amenities due to its proximity to Quincy. The city also serves as a reminder of Illinois' rich agricultural history, offering a peek into the lifestyle of small-town America.

ZIP codes for Plainville, IL (1)

ZIP code	City	County	Map
62365	Plainville	Adams	View map

Demographics & statistics

406

Population

53.7

Median age

$70,694

Median household income

$32,580

Per capita income

$106,300

Median home value

$675

Median monthly rent

94.5%

Home ownership

6.9%

Poverty rate

4.4%

Unemployment

225

Housing units

12.8%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	90	22.2%
18 and over	316	77.8%
65 and over	70	17.2%
Median age	53.7 years

Race & ethnicity

White 94.8%

Two or more races 5.2%

Group	Count	%
White	385	94.8%
Two or more races	21	5.2%

Household income

$10k–$15k 1.2%

$15k–$25k 11.5%

$25k–$35k 2.4%

$35k–$50k 14.5%

$50k–$75k 24.8%

$75k–$100k 9.7%

$100k–$150k 26.1%

$150k–$200k 8.5%

$200k+ 1.2%

Range	% of households
$10k–$15k	1.2%
$15k–$25k	11.5%
$25k–$35k	2.4%
$35k–$50k	14.5%
$50k–$75k	24.8%
$75k–$100k	9.7%
$100k–$150k	26.1%
$150k–$200k	8.5%
$200k+	1.2%
Median income	$70,694

Housing

Home values

Under $50k 14.7%

$50k–$100k 32.7%

$100k–$150k 17.3%

$150k–$200k 17.3%

$200k–$300k 17.9%

Housing overview

Metric	Value
Median home value	$106,300
Median rent / month	$675
Owner occupied	94.5%
Renter occupied	5.5%
Vacant	29.5%
Single-family detached	91.5%
Large apartment buildings	0.0%
Mobile homes	6.0%
Median rooms	6.0
Avg household size (owned)	2.41

Year built

Era	%
2020 or later	0.0%
2010–2019	4.3%
2000–2009	0.0%
1990–1999	3.4%
1980–1989	7.3%
1970–1979	11.5%
1960–1969	4.7%
1950–1959	26.9%
1940–1949	6.4%
1939 or earlier	35.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	4.7%
2 bedrooms	50.0%
3 bedrooms	26.9%
4 bedrooms	16.7%
5+ bedrooms	1.7%

Vehicles per household

Vehicles	% of households
No vehicle	1.2%
1 vehicle	22.4%
2 vehicles	32.7%
3 or more	43.6%

Heating fuel

Fuel type	%
Utility gas	73.3%
Electricity	6.7%
Propane / LP gas	15.8%
Wood	0.6%
No fuel used	3.6%

Households & families

Household type	Count	%
Married-couple family	91	55.2%
Cohabiting couple	2	1.2%
Male householder, no spouse	54	32.7%
Female householder, no spouse	18	10.9%
Households with children under 18	32	19.4%
Households with seniors (65+)	56	33.9%
Average household size	2.46

Marital status

Status	Male	Female
Never married	40.4%	12.1%
Married	43.8%	70.7%
Separated	0.0%	0.9%
Widowed	10.6%	6.0%
Divorced	5.3%	10.3%

Education

Less than 9th grade 0.3%

Some HS, no diploma 7.9%

HS graduate 39.3%

Some college, no degree 20.7%

Associate's degree 19.0%

Bachelor's degree 7.5%

Graduate / professional 5.2%

Metric	%
HS diploma or higher	91.8%
Bachelor's or higher	12.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	25	31.3%
Kindergarten	3	3.8%
Elementary school	40	50.0%
High school	11	13.8%
College / grad school	1	1.3%

Employment

Industry of employment

Other services 22.4%

Education & healthcare 19.2%

Retail trade 17.4%

Construction 14.6%

Manufacturing 11.0%

Wholesale trade 5.5%

Agriculture & mining 3.2%

Public administration 2.7%

Transportation & utilities 1.8%

Professional & management 1.8%

Finance & real estate 0.5%

Occupation

Category	%
Management, business & arts	30.1%
Service	5.9%
Sales & office	8.7%
Natural resources & construction	31.5%
Production & transportation	23.7%

Employment type

Type	%
Private sector	89.0%
Government	8.2%
Self-employed	2.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	81.6%
Carpool	0.5%
Public transit	0.0%
Walk	2.8%
Other means	0.0%
Avg commute (minutes)	34.8

Poverty

All people 6.9%

Under 18 years 15.6%

18 and over 4.4%

Married-couple families 0.0%

Female-led households 28.6%

Income support

Source	% of households
Social Security	30.9%
Retirement income	21.8%
Supplemental Security	6.1%
Cash public assistance	0.0%
Food stamps / SNAP	12.1%

Health indicators

Condition	%
High blood pressure	33.6%
High cholesterol	32.1%
Heart disease	6.4%
Stroke	2.9%
Asthma	9.8%
Arthritis	26.1%
Kidney disease	2.7%
Pulmonary disease	7.3%
Cancer	6.6%

Behavior / access	%
Binge drinking	16.6%
No physical activity	25.0%
Less than 7 hrs sleep	31.8%
Fair or poor health	13.8%
Poor mental health	13.2%
Poor physical health	9.9%
No health insurance	10.2%
Visited doctor (checkup)	75.7%
Visited dentist	62.4%
Cholesterol screening	89.0%
Teeth loss	14.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	18	5.7%

Disability	%
Any disability	17.5%
Under 18	17.8%
18–64 years	15.4%
65 and over	24.3%

Health insurance coverage

Type	%
Private insurance	64.5%
Public insurance	35.2%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	369	90.9%
Spanish	15	4.1%
Other Indo-European	0	0.0%
Asian & Pacific Islander	15	4.1%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	391	96.3%
Born in same state	391	96.3%
Born in different state	277	68.2%
Foreign born	0	0.0%
Naturalized citizen	15	3.7%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	47	11.6%
Arab	33	8.1%
Italian	25	6.2%

Ancestry	Count	%
English	8	2%
German	2	0.5%

Technology access

Metric	% of households
Computer access	40.6%
Internet access	95.8%

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

Frequently asked questions

What is the ZIP code for Plainville, IL?

Plainville, IL has one ZIP code: 62365.

What is the main ZIP code for Plainville, IL?

The primary ZIP code for Plainville, IL is 62365. The city uses area code 217 for phone service.

What county is Plainville, IL in?

Plainville is located in Adams County, Illinois.

How many ZIP codes are in Plainville, IL?

Plainville, IL has 1 ZIP code.

What is the ZIP code for downtown Plainville, IL?

Downtown Plainville, IL is located in ZIP code 62365, which serves the central business district and historic town center of this Adams County community.

Which ZIP code covers the residential areas of Plainville, Illinois?

All residential neighborhoods and municipal areas of Plainville, IL are covered under the single ZIP code 62365, which encompasses the entire city.