Delavan ZIP Codes — Tazewell County, IL

There is one unique ZIP code in Delavan, Illinois and it is 61734. Area code: 309.

ZIP codes

76.50

sq mi land

0.02

sq mi water

309

area code

Delavan, IL ZIP code map

About Delavan, IL

Delavan, Illinois, is a charming city located in Tazewell County. This small yet vibrant community boasts a rich history and a welcoming atmosphere. With a ZIP code of 61734, Delavan is known for its close-knit community and commitment to local businesses.

Location & geography

Delavan is situated in central Illinois, approximately 20 miles east of Peoria. Neighboring cities include Morton, which is about 10 miles to the southwest, and Lincoln, located roughly 22 miles to the northeast. The city covers a land area of 76.50 square miles, with a minimal water area of 0.02 square miles, contributing to its predominantly rural terrain.

Community & economy

The character of Delavan is defined by its friendly residents and strong community ties, making it a great place for families. Local industries play a significant role in the economy, with a diverse mix of agriculture and small businesses. Residents enjoy a quiet daily life, enriched by local parks and community events that foster connections among neighbors.

Transportation

Delavan is accessible via several local roads and is in proximity to major highways, including Interstate 155 and U.S. Route 136, facilitating travel to surrounding areas. The nearest commercial airports are in Peoria and Bloomington, both offering broader travel options for residents. Public transportation options may be limited, with personal vehicles being the primary mode of transit.

History

Delavan was founded in the mid-19th century and initially thrived due to agriculture and local commerce. Throughout the years, it has maintained a focus on farming and small businesses, which have contributed to its development and sustainability. Notable events in its history include the establishment of local festivals that celebrate its roots and community spirit.

Did you know?

One surprising fact about Delavan is that it hosts a vibrant arts scene, with local artists contributing to community events and exhibitions. Additionally, Delavan is known for its historical buildings, many of which showcase unique architectural styles from the town's founding era.

ZIP codes for Delavan, IL (1)

ZIP code	City	County	Map
61734	Delavan	Tazewell	View map

Demographics & statistics

2,520

Population

46.6

Median age

$71,000

Median household income

$33,840

Per capita income

$139,300

Median home value

$900

Median monthly rent

83.0%

Home ownership

9.4%

Poverty rate

5.5%

Unemployment

980

Housing units

19.7%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

112

10–14

122

15–19

20–24

125

25–34

135

129

35–44

139

128

45–54

138

55–59

103

60–64

111

185

65–74

199

75–84

103

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	577	22.9%
18 and over	1,943	77.1%
65 and over	649	25.8%
Median age	46.6 years

Race & ethnicity

White 96%

Two or more races 1.9%

Hispanic or Latino 0.6%

Other race 0.6%

Asian 0.4%

Black or African American 0.3%

American Indian / Alaska Native 0.1%

Group	Count	%
White	2,434	96%
Two or more races	49	1.9%
Hispanic or Latino	16	0.6%
Other race	16	0.6%
Asian	11	0.4%
Black or African American	8	0.3%
American Indian / Alaska Native	2	0.1%

Household income

Under $10k 4.3%

$10k–$15k 2.2%

$15k–$25k 5.9%

$25k–$35k 5.2%

$35k–$50k 12.7%

$50k–$75k 21.9%

$75k–$100k 21.0%

$100k–$150k 19.8%

$150k–$200k 3.8%

$200k+ 3.4%

Range	% of households
Under $10k	4.3%
$10k–$15k	2.2%
$15k–$25k	5.9%
$25k–$35k	5.2%
$35k–$50k	12.7%
$50k–$75k	21.9%
$75k–$100k	21.0%
$100k–$150k	19.8%
$150k–$200k	3.8%
$200k+	3.4%
Median income	$71,000

Housing

Home values

Under $50k 2.6%

$50k–$100k 22.4%

$100k–$150k 34.9%

$150k–$200k 13.0%

$200k–$300k 20.7%

$300k–$500k 6.5%

Housing overview

Metric	Value
Median home value	$139,300
Median rent / month	$900
Owner occupied	83.0%
Renter occupied	17.0%
Vacant	12.9%
Single-family detached	91.0%
Large apartment buildings	0.3%
Mobile homes	0.4%
Median rooms	6.1
Avg household size (owned)	2.57

Year built

Era	%
2020 or later	0.0%
2010–2019	0.9%
2000–2009	4.3%
1990–1999	4.0%
1980–1989	1.9%
1970–1979	24.2%
1960–1969	10.3%
1950–1959	12.8%
1940–1949	4.7%
1939 or earlier	37.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	3.8%
2 bedrooms	21.3%
3 bedrooms	52.3%
4 bedrooms	16.2%
5+ bedrooms	6.3%

Vehicles per household

Vehicles	% of households
No vehicle	2.4%
1 vehicle	25.7%
2 vehicles	44.9%
3 or more	26.9%

Heating fuel

Fuel type	%
Utility gas	64.2%
Electricity	19.3%
Propane / LP gas	13.5%
Fuel oil	0.2%
Wood	0.8%
Solar	0.5%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	574	57.3%
Cohabiting couple	57	5.7%
Male householder, no spouse	107	10.7%
Female householder, no spouse	264	26.3%
Households with children under 18	266	26.5%
Households with seniors (65+)	420	41.9%
Average household size	2.51

Marital status

Status	Male	Female
Never married	20.5%	16.8%
Married	67.9%	51.6%
Separated	1.5%	2.4%
Widowed	3.3%	10.0%
Divorced	6.8%	19.3%

Education

Less than 9th grade 3.0%

Some HS, no diploma 4.5%

HS graduate 36.4%

Some college, no degree 25.2%

Associate's degree 11.2%

Bachelor's degree 16.2%

Graduate / professional 3.5%

Metric	%
HS diploma or higher	92.5%
Bachelor's or higher	19.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	49	8.0%
Kindergarten	33	5.4%
Elementary school	349	56.8%
High school	118	19.2%
College / grad school	65	10.6%

Employment

Industry of employment

Education & healthcare 26.9%

Manufacturing 14.8%

Retail trade 10.8%

Arts, food & hospitality 10.5%

Construction 8.8%

Transportation & utilities 7.2%

Agriculture & mining 5.6%

Finance & real estate 4.1%

Other services 3.3%

Wholesale trade 2.7%

Professional & management 2.1%

Information 1.6%

Public administration 1.5%

Occupation

Category	%
Management, business & arts	34.8%
Service	18.7%
Sales & office	18.2%
Natural resources & construction	11.2%
Production & transportation	17.1%

Employment type

Type	%
Private sector	86.5%
Government	6.6%
Self-employed	6.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	89.7%
Carpool	2.5%
Public transit	0.0%
Walk	2.6%
Other means	0.0%
Avg commute (minutes)	29.3

Poverty

All people 9.4%

Under 18 years 12.1%

18 and over 8.5%

Married-couple families 2.6%

Female-led households 37.8%

Income support

Source	% of households
Social Security	44.9%
Retirement income	38.8%
Supplemental Security	3.8%
Cash public assistance	2.4%
Food stamps / SNAP	9.1%

Health indicators

Condition	%
High blood pressure	33.1%
High cholesterol	33.5%
Heart disease	6.8%
Stroke	3.1%
Asthma	9.5%
Arthritis	27.1%
Kidney disease	2.9%
Pulmonary disease	7.3%
Cancer	7.6%

Behavior / access	%
Binge drinking	15.1%
No physical activity	24.3%
Less than 7 hrs sleep	31.0%
Fair or poor health	13.3%
Poor mental health	12.4%
Poor physical health	9.8%
No health insurance	9.6%
Visited doctor (checkup)	77.5%
Visited dentist	65.6%
Cholesterol screening	90.5%
Teeth loss	13.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	249	12.9%

Disability	%
Any disability	18.7%
Under 18	3.1%
18–64 years	13.3%
65 and over	43.0%

Health insurance coverage

Type	%
Private insurance	71.1%
Public insurance	46.8%
Uninsured under 19	3.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,426	96.3%
Spanish	9	0.4%
Other Indo-European	9	0.4%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,504	99.4%
Born in same state	2,471	98.1%
Born in different state	2,077	82.4%
Foreign born	33	1.3%
Naturalized citizen	16	0.6%
Not a US citizen	11	68.8%

Ancestry

Ancestry	Count	%
French	350	13.9%
Italian	283	11.2%
Arab	78	3.1%

Ancestry	Count	%
English	47	1.9%
Polish	24	1%
Norwegian	7	0.3%

Technology access

Metric	% of households
Computer access	39.8%
Internet access	92.2%

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

Frequently asked questions

What ZIP codes does Delavan, IL have?

Delavan, IL has one ZIP code: 61734. Each ZIP code serves a distinct delivery area within the city and surrounding region.