New Windsor ZIP Code List — Mercer County, IL

There is one unique ZIP code in New Windsor, Illinois and it is 61465. Area code: 309.

ZIP codes

40.43

sq mi land

0.02

sq mi water

309

area code

New Windsor, IL ZIP code map

About New Windsor, IL

New Windsor, Illinois is a charming small town located in Mercer County, known for its peaceful atmosphere and strong sense of community. The town offers a blend of rural charm and convenient access to larger urban centers, making it an appealing place for both residents and visitors. With its dedication to preserving local history and fostering community connections, New Windsor stands out as a welcoming locale in the Heartland of America.

Location & geography

New Windsor is situated in the western part of Illinois, with a land area of 40.43 square miles and a water area of 0.02 square miles. The town is located approximately 30 miles northwest of the city of Moline and about 20 miles south of the county seat, Aledo. The terrain surrounding New Windsor features picturesque farmland and open spaces, contributing to its scenic rural setting.

Community & economy

The character of New Windsor is defined by its close-knit community and friendly atmosphere, where neighbors often gather for local events and activities. The town has a diverse economy, with key industries including agriculture and small businesses that cater to the local population. Daily life in New Windsor is characterized by a strong emphasis on family values and community involvement, which is evident in the many family-oriented events throughout the year.

Transportation

Accessibility is convenient in New Windsor, with U.S. Route 67 serving as a major thoroughfare that connects the town to nearby cities and highways. The nearest major airport is Quad City International Airport, located approximately 30 miles to the east in Moline. Public transit options are limited, but the town's small size makes it easy for residents to navigate by car or on foot.

History

New Windsor was founded in the late 19th century and quickly became an important agricultural hub in Mercer County. Over the years, the town has maintained its focus on farming and local businesses, which contribute to the regional economy. Notable events in the town's history include its centennial celebration in 1974, which highlighted its rich heritage and community spirit.

Did you know?

One surprising fact about New Windsor is that it has a unique annual event, the New Windsor Fall Festival, which celebrates local culture and community pride. This festival attracts visitors from surrounding areas and showcases local artisans, food vendors, and family-friendly activities.

ZIP codes for New Windsor, IL (1)

ZIP code	City	County	Map
61465	New Windsor	Mercer	View map

Demographics & statistics

1,250

Population

49.8

Median age

$55,958

Median household income

$33,284

Per capita income

$101,700

Median home value

$593

Median monthly rent

93.2%

Home ownership

6.1%

Poverty rate

2.0%

Unemployment

534

Housing units

14.8%

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	209	16.7%
18 and over	1,041	83.3%
65 and over	330	26.4%
Median age	49.8 years

Race & ethnicity

White 92.5%

Two or more races 6%

Asian 0.8%

Hispanic or Latino 0.6%

Group	Count	%
White	1,164	92.5%
Two or more races	76	6%
Asian	10	0.8%
Hispanic or Latino	8	0.6%

Household income

Under $10k 0.8%

$10k–$15k 1.8%

$15k–$25k 10.3%

$25k–$35k 10.5%

$35k–$50k 20.7%

$50k–$75k 15.4%

$75k–$100k 9.9%

$100k–$150k 14.4%

$150k–$200k 14.4%

$200k+ 1.8%

Range	% of households
Under $10k	0.8%
$10k–$15k	1.8%
$15k–$25k	10.3%
$25k–$35k	10.5%
$35k–$50k	20.7%
$50k–$75k	15.4%
$75k–$100k	9.9%
$100k–$150k	14.4%
$150k–$200k	14.4%
$200k+	1.8%
Median income	$55,958

Housing

Home values

Under $50k 16.1%

$50k–$100k 33.1%

$100k–$150k 19.9%

$150k–$200k 15.3%

$200k–$300k 9.8%

$300k–$500k 5.2%

$500k–$1M 0.6%

Housing overview

Metric	Value
Median home value	$101,700
Median rent / month	$593
Owner occupied	93.2%
Renter occupied	6.8%
Vacant	9.8%
Single-family detached	91.4%
Large apartment buildings	0.4%
Mobile homes	1.6%
Median rooms	6.4
Avg household size (owned)	2.51

Year built

Era	%
2020 or later	0.0%
2010–2019	2.5%
2000–2009	4.2%
1990–1999	7.2%
1980–1989	2.3%
1970–1979	21.6%
1960–1969	8.3%
1950–1959	13.0%
1940–1949	3.3%
1939 or earlier	37.6%

Bedrooms

Size	% of units
No bedroom (studio)	1.6%
1 bedroom	3.9%
2 bedrooms	26.0%
3 bedrooms	34.6%
4 bedrooms	27.1%
5+ bedrooms	6.9%

Vehicles per household

Vehicles	% of households
No vehicle	2.3%
1 vehicle	21.8%
2 vehicles	53.8%
3 or more	22.0%

Heating fuel

Fuel type	%
Utility gas	62.4%
Electricity	7.4%
Propane / LP gas	27.1%
Fuel oil	3.1%

Households & families

Household type	Count	%
Married-couple family	314	61.2%
Cohabiting couple	48	9.4%
Male householder, no spouse	81	15.8%
Female householder, no spouse	70	13.6%
Households with children under 18	110	21.4%
Households with seniors (65+)	214	41.7%
Average household size	2.44

Marital status

Status	Male	Female
Never married	32.7%	16.0%
Married	54.8%	66.7%
Separated	0.0%	1.9%
Widowed	4.2%	5.7%
Divorced	8.3%	9.7%

Education

Less than 9th grade 0.4%

Some HS, no diploma 9.5%

HS graduate 42.3%

Some college, no degree 20.5%

Associate's degree 12.6%

Bachelor's degree 11.4%

Graduate / professional 3.4%

Metric	%
HS diploma or higher	90.1%
Bachelor's or higher	14.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	35	17.5%
Kindergarten	27	13.5%
Elementary school	58	29.0%
High school	46	23.0%
College / grad school	34	17.0%

Employment

Industry of employment

Manufacturing 23.7%

Education & healthcare 19.1%

Retail trade 11.5%

Other services 10.1%

Construction 7.6%

Transportation & utilities 6.7%

Agriculture & mining 4.3%

Professional & management 4.3%

Wholesale trade 4.1%

Arts, food & hospitality 3.3%

Public administration 2.7%

Finance & real estate 2.2%

Information 0.3%

Occupation

Category	%
Management, business & arts	41.6%
Service	13.6%
Sales & office	22.0%
Natural resources & construction	11.3%
Production & transportation	11.5%

Employment type

Type	%
Private sector	80.4%
Government	11.2%
Self-employed	8.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	84.9%
Carpool	7.9%
Public transit	0.0%
Walk	1.7%
Other means	0.5%
Avg commute (minutes)	36.0

Poverty

All people 6.1%

Under 18 years 12.1%

18 and over 5.0%

Married-couple families 2.2%

Female-led households 9.1%

Income support

Source	% of households
Social Security	51.1%
Retirement income	34.3%
Supplemental Security	7.2%
Cash public assistance	0.8%
Food stamps / SNAP	11.7%

Health indicators

Condition	%
High blood pressure	33.5%
High cholesterol	33.8%
Heart disease	6.8%
Stroke	3.0%
Asthma	9.4%
Arthritis	27.3%
Kidney disease	2.8%
Pulmonary disease	7.1%
Cancer	7.4%

Behavior / access	%
Binge drinking	15.7%
No physical activity	24.3%
Less than 7 hrs sleep	31.7%
Fair or poor health	13.3%
Poor mental health	12.5%
Poor physical health	9.7%
No health insurance	10.0%
Visited doctor (checkup)	76.5%
Visited dentist	63.4%
Cholesterol screening	90.5%
Teeth loss	12.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	42	4.0%

Disability	%
Any disability	20.8%
Under 18	1.0%
18–64 years	16.6%
65 and over	42.4%

Health insurance coverage

Type	%
Private insurance	76.4%
Public insurance	43.2%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,192	95.4%
Spanish	4	0.3%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	4	0.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,246	99.7%
Born in same state	1,242	99.4%
Born in different state	908	72.6%
Foreign born	4	0.3%
Naturalized citizen	4	0.3%
Not a US citizen	4	100.0%

Ancestry

Ancestry	Count	%
French	282	22.6%
Italian	139	11.1%
Arab	21	1.7%

Ancestry	Count	%
Polish	4	0.3%
English	2	0.2%
Norwegian	2	0.2%

Technology access

Metric	% of households
Computer access	41.0%
Internet access	86.5%

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

Frequently asked questions

What is the ZIP code for New Windsor, IL?

New Windsor, IL has one ZIP code: 61465.

What is the main ZIP code for New Windsor, IL?

The primary ZIP code for New Windsor, IL is 61465. The city uses area code 309 for phone service.

What county is New Windsor, IL in?

New Windsor is located in Mercer County, Illinois.

How many ZIP codes are in New Windsor, IL?

New Windsor, IL has 1 ZIP code.

What is the ZIP code for downtown New Windsor, Illinois?

Downtown New Windsor, Illinois is located in ZIP code 61465, which serves the central business district and historic core of this Mercer County community.

What ZIP code should I use for mailing addresses in New Windsor, Illinois?

All mailing addresses in New Windsor, Illinois use the single ZIP code 61465, which covers the entire city and surrounding areas in Mercer County.