Colfax ZIP Codes — Mclean County, IL

There is one unique ZIP code in Colfax, Illinois and it is 61728. Area code: 309.

ZIP codes

69.43

sq mi land

0.02

sq mi water

309

area code

Colfax, IL ZIP code map

About Colfax, IL

Colfax is a quaint village located in McLean County, Illinois. Known for its small-town charm, Colfax offers a peaceful atmosphere for residents and visitors alike. With a close-knit community and rich history, it is a hidden gem within the Heartland of Illinois.

Location & geography

Colfax is situated in the central part of Illinois, roughly 10 miles southwest of the larger city of Bloomington. The village is bordered by picturesque farmland, with its terrain predominantly flat, making it ideal for agricultural endeavors. The total land area of Colfax is 69.43 square miles, with a minimal water area of 0.02 square miles.

Community & economy

The character of Colfax is shaped by a friendly community that values its rich history and local traditions. Agriculture plays a significant role in the village’s economy, as many residents are involved in farming and related industries. Daily life in Colfax is characterized by communal events, local businesses, and a welcoming environment for families and newcomers.

Transportation

Colfax is accessible via Illinois Route 165, which connects residents to nearby highways for easy travel. The nearest named airport is the Central Illinois Regional Airport located in Bloomington-Normal, approximately 15 miles away. Public transportation options may be limited, but residents rely on personal vehicles for commuting.

History

Colfax was founded in the mid-19th century and has grown steadily since its establishment, primarily fueled by agriculture and the arrival of the railroad. The village has experienced notable events throughout its history, including the development of local industries that supported the farming community. Colfax remains a place where history and modern-day life intersect seamlessly.

Did you know?

A surprising fact about Colfax is that it hosts an annual event known as the Colfax Community Festival, which fosters community spirit and attracts visitors. Additionally, the village's rich agricultural background is reflected in its scenic landscapes and local products.

ZIP codes for Colfax, IL (1)

ZIP code	City	County	Map
61728	Colfax	Mclean	View map

Demographics & statistics

1,301

Population

36.5

Median age

$73,705

Median household income

$43,158

Per capita income

$143,200

Median home value

$789

Median monthly rent

73.6%

Home ownership

9.9%

Poverty rate

5.0%

Unemployment

399

Housing units

30.6%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

119

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	322	24.8%
18 and over	979	75.2%
65 and over	257	19.8%
Median age	36.5 years

Race & ethnicity

White 96.7%

Hispanic or Latino 1.2%

Other race 1.2%

Two or more races 0.8%

Group	Count	%
White	1,274	96.7%
Hispanic or Latino	16	1.2%
Other race	16	1.2%
Two or more races	11	0.8%

Household income

Under $10k 5.5%

$10k–$15k 4.3%

$15k–$25k 0.8%

$25k–$35k 4.5%

$35k–$50k 10.4%

$50k–$75k 27.4%

$75k–$100k 11.2%

$100k–$150k 12.9%

$150k–$200k 12.3%

$200k+ 10.6%

Range	% of households
Under $10k	5.5%
$10k–$15k	4.3%
$15k–$25k	0.8%
$25k–$35k	4.5%
$35k–$50k	10.4%
$50k–$75k	27.4%
$75k–$100k	11.2%
$100k–$150k	12.9%
$150k–$200k	12.3%
$200k+	10.6%
Median income	$73,705

Housing

Home values

Under $50k 4.7%

$50k–$100k 18.6%

$100k–$150k 29.2%

$150k–$200k 17.5%

$200k–$300k 14.7%

$300k–$500k 8.3%

$500k–$1M 6.9%

Housing overview

Metric	Value
Median home value	$143,200
Median rent / month	$789
Owner occupied	73.6%
Renter occupied	26.4%
Vacant	7.4%
Single-family detached	93.9%
Large apartment buildings	0.0%
Mobile homes	0.8%
Median rooms	6.4
Avg household size (owned)	2.62

Year built

Era	%
2020 or later	0.0%
2010–2019	1.3%
2000–2009	9.8%
1990–1999	4.7%
1980–1989	2.5%
1970–1979	13.1%
1960–1969	7.2%
1950–1959	14.4%
1940–1949	7.8%
1939 or earlier	39.2%

Bedrooms

Size	% of units
No bedroom (studio)	1.1%
1 bedroom	5.9%
2 bedrooms	22.7%
3 bedrooms	37.3%
4 bedrooms	26.9%
5+ bedrooms	6.1%

Vehicles per household

Vehicles	% of households
No vehicle	3.5%
1 vehicle	23.9%
2 vehicles	37.4%
3 or more	35.2%

Heating fuel

Fuel type	%
Utility gas	65.6%
Electricity	9.6%
Propane / LP gas	18.6%

Households & families

Household type	Count	%
Married-couple family	251	51.3%
Cohabiting couple	91	18.6%
Male householder, no spouse	93	19.0%
Female householder, no spouse	54	11.0%
Households with children under 18	163	33.3%
Households with seniors (65+)	144	29.4%
Average household size	2.60

Marital status

Status	Male	Female
Never married	32.5%	24.1%
Married	53.1%	48.1%
Separated	0.0%	0.0%
Widowed	2.0%	9.2%
Divorced	12.4%	18.6%

Education

Less than 9th grade 0.0%

Some HS, no diploma 3.3%

HS graduate 33.6%

Some college, no degree 22.6%

Associate's degree 9.9%

Bachelor's degree 24.2%

Graduate / professional 6.4%

Metric	%
HS diploma or higher	96.7%
Bachelor's or higher	30.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	13	4.0%
Kindergarten	5	1.6%
Elementary school	181	56.4%
High school	58	18.1%
College / grad school	64	19.9%

Employment

Industry of employment

Education & healthcare 18.8%

Retail trade 18.0%

Construction 12.6%

Transportation & utilities 11.4%

Finance & real estate 9.0%

Professional & management 6.8%

Other services 6.5%

Manufacturing 5.3%

Arts, food & hospitality 5.1%

Public administration 2.9%

Agriculture & mining 2.1%

Wholesale trade 1.7%

Occupation

Category	%
Management, business & arts	37.1%
Service	15.0%
Sales & office	19.7%
Natural resources & construction	17.1%
Production & transportation	11.1%

Employment type

Type	%
Private sector	79.0%
Government	17.6%
Self-employed	3.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	84.8%
Carpool	2.9%
Public transit	0.0%
Walk	3.8%
Other means	1.4%
Avg commute (minutes)	25.6

Poverty

All people 9.9%

Under 18 years 10.3%

18 and over 9.7%

Married-couple families 3.6%

Female-led households 39.1%

Income support

Source	% of households
Social Security	28.0%
Retirement income	19.2%
Supplemental Security	1.2%
Cash public assistance	1.2%
Food stamps / SNAP	18.2%

Health indicators

Condition	%
High blood pressure	34.3%
High cholesterol	33.1%
Heart disease	7.2%
Stroke	3.4%
Asthma	9.7%
Arthritis	28.0%
Kidney disease	3.1%
Pulmonary disease	7.8%
Cancer	7.4%

Behavior / access	%
Binge drinking	14.8%
No physical activity	26.3%
Less than 7 hrs sleep	31.8%
Fair or poor health	15.0%
Poor mental health	12.9%
Poor physical health	10.5%
No health insurance	10.3%
Visited doctor (checkup)	76.6%
Visited dentist	60.6%
Cholesterol screening	89.8%
Teeth loss	15.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	97	9.9%

Disability	%
Any disability	7.8%
Under 18	0.0%
18–64 years	6.5%
65 and over	23.1%

Health insurance coverage

Type	%
Private insurance	74.2%
Public insurance	39.6%
Uninsured under 19	3.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,230	94.5%
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)	1,277	98.2%
Born in same state	1,277	98.2%
Born in different state	1,095	84.2%
Foreign born	0	0.0%
Naturalized citizen	24	1.8%
Not a US citizen	18	75.0%

Ancestry

Ancestry	Count	%
French	171	13.1%
Italian	168	12.9%
Arab	87	6.7%
English	57	4.4%

Ancestry	Count	%
Dutch	10	0.8%
Polish	6	0.5%
Irish	2	0.2%
Norwegian	2	0.2%

Technology access

Metric	% of households
Computer access	37.6%
Internet access	95.1%

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

Frequently asked questions

What ZIP codes does Colfax, IL have?

Colfax, IL has one ZIP code: 61728. Each ZIP code serves a distinct delivery area within the city and surrounding region.