61428 ZIP Code — Dahinda, IL

Knox County, Illinois

ZIP code 61428 is located in Dahinda, Illinois, within Knox County. It covers approximately 29.57 square miles and serves a population of 1,162 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 309.

About ZIP code 61428

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $244,100. Owner-occupancy is high at 92%, well above the national average.

The gap between median ($77,917) and mean household income suggests income inequality — a small number of higher earners pull the average up. 42% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 30 minutes is near the national average.

Educational attainment is near the national average, with 27% of residents holding a bachelor's degree or higher.

Overall, ZIP code 61428 reflects a community defined by high homeownership and a significant Social Security-dependent population.

1,162

population

29.57

sq mi land

Standard

ZIP type

Central (CT)

timezone

61428 ZIP code map

Cities in ZIP code 61428

Below are the cities the US Postal Service accepts for ZIP code 61428. Using any city not on this list may result in mail delivery delays.

City	Status
Dahinda	Acceptable
Dahinda	Preferred

Nearby ZIP codes

61485 Victoria (3.7 mi) 61489 Williamsfield (4.4 mi) 61448 Knoxville (6.4 mi) 61436 Gilson (7.5 mi) 61451 Laura (9.9 mi) 61430 East Galesburg (10.2 mi) 61467 Oneida (10.4 mi) 61414 Altona (10.5 mi) 61488 Wataga (11.5 mi) 61572 Yates City (12 mi) 61458 Maquon (12.7 mi) 61401 Galesburg (13 mi)

Demographics updated 05/2026

Population
Total population	1,162
Population density	39 / sq mi
State FIPS	17
County FIPS	095

Geography
Land area	29.57 sq mi
Water area	0.90 sq mi
Latitude	40.9499
Longitude	-90.1167
Timezone	Central (CT)
Area code	309

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	39.6%	54.0%	37.2%
$50k – $100k	24.7%	29.8%	29.6%
$100k – $200k	21.8%	14.2%	24.4%
Over $200k	13.8%	2.0%	8.8%

Demographics & statistics

1,162

Population

People per sq mi

49.4

Median age

$77,917

Median household income

$46,771

Per capita income

$244,100

Median home value

$593

Median monthly rent

91.6%

Home ownership

12.9%

Poverty rate

2.6%

Unemployment

786

Housing units

26.8%

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

128

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	292	25.1%
18 and over	870	74.9%
65 and over	279	24.0%
Median age	49.4 years

Race & ethnicity

White 94.1%

Black or African American 2.9%

Hispanic or Latino 1.5%

Other race 1.4%

Two or more races 0.1%

Group	Count	%
White	1,110	94.1%
Black or African American	34	2.9%
Hispanic or Latino	18	1.5%
Other race	17	1.4%
Two or more races	1	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	39.6%	54.0%	37.2%
$50k – $100k	24.7%	29.8%	29.6%
$100k – $200k	21.8%	14.2%	24.4%
Over $200k	13.8%	2.0%	8.8%

Under $10k 2.0%

$10k–$15k 3.3%

$15k–$25k 4.6%

$25k–$35k 5.1%

$35k–$50k 15.2%

$50k–$75k 19.6%

$75k–$100k 10.8%

$100k–$150k 11.3%

$150k–$200k 6.4%

$200k+ 21.6%

Range	% of households
Under $10k	2.0%
$10k–$15k	3.3%
$15k–$25k	4.6%
$25k–$35k	5.1%
$35k–$50k	15.2%
$50k–$75k	19.6%
$75k–$100k	10.8%
$100k–$150k	11.3%
$150k–$200k	6.4%
$200k+	21.6%
Median income	$77,917

Housing

Home values

Under $50k 7.2%

$50k–$100k 5.3%

$100k–$150k 12.3%

$150k–$200k 13.5%

$200k–$300k 22.7%

$300k–$500k 33.3%

$500k–$1M 5.1%

$1M+ 0.7%

Housing overview

Metric	Value
Median home value	$244,100
Median rent / month	$593
Owner occupied	91.6%
Renter occupied	8.4%
Vacant	45.0%
Single-family detached	97.7%
Large apartment buildings	0.0%
Mobile homes	2.3%
Median rooms	5.4
Avg household size (owned)	2.58

Year built

Era	%
2020 or later	0.0%
2010–2019	6.8%
2000–2009	22.5%
1990–1999	36.2%
1980–1989	7.8%
1970–1979	12.6%
1960–1969	2.3%
1950–1959	4.0%
1940–1949	0.4%
1939 or earlier	7.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	4.2%
2 bedrooms	34.2%
3 bedrooms	46.7%
4 bedrooms	11.9%
5+ bedrooms	2.9%

Vehicles per household

Vehicles	% of households
No vehicle	2.0%
1 vehicle	14.6%
2 vehicles	49.9%
3 or more	33.6%

Heating fuel

Fuel type	%
Utility gas	12.1%
Electricity	11.9%
Propane / LP gas	69.1%
Fuel oil	0.4%
Wood	1.8%
Solar	1.1%

Households & families

Household type	Count	%
Married-couple family	319	70.4%
Cohabiting couple	25	5.5%
Male householder, no spouse	51	11.3%
Female householder, no spouse	58	12.8%
Households with children under 18	137	30.2%
Households with seniors (65+)	174	38.4%
Average household size	2.57

Marital status

Status	Male	Female
Never married	18.8%	25.8%
Married	70.2%	63.6%
Separated	2.2%	0.0%
Widowed	1.3%	6.1%
Divorced	7.4%	4.5%

Education

Less than 9th grade 0.5%

Some HS, no diploma 3.6%

HS graduate 25.7%

Some college, no degree 31.4%

Associate's degree 12.0%

Bachelor's degree 13.5%

Graduate / professional 13.3%

Metric	%
HS diploma or higher	95.9%
Bachelor's or higher	26.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	27	8.9%
Kindergarten	30	9.9%
Elementary school	140	46.2%
High school	78	25.7%
College / grad school	28	9.2%

Employment

Industry of employment

Education & healthcare 31.8%

Retail trade 13.6%

Manufacturing 11.1%

Wholesale trade 8.7%

Transportation & utilities 8.5%

Other services 6.1%

Construction 5.3%

Arts, food & hospitality 3.6%

Public administration 3.2%

Finance & real estate 2.6%

Agriculture & mining 2.2%

Professional & management 1.8%

Information 1.4%

Occupation

Category	%
Management, business & arts	33.0%
Service	13.4%
Sales & office	28.5%
Natural resources & construction	11.9%
Production & transportation	13.2%

Employment type

Type	%
Private sector	78.9%
Government	17.6%
Self-employed	3.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	78.2%
Carpool	14.9%
Public transit	0.0%
Walk	0.0%
Work from home	6.8%
Other means	0.0%
Avg commute (minutes)	29.5

Poverty

All people 12.9%

Under 18 years 16.4%

18 and over 11.8%

Married-couple families 2.5%

Female-led households 52.2%

Income support

Source	% of households
Social Security	42.4%
Retirement income	34.7%
Supplemental Security	1.8%
Cash public assistance	0.7%
Food stamps / SNAP	4.6%

Health indicators

Condition	%
Obesity	36.3%
High blood pressure	39.7%
High cholesterol	40.1%
Diabetes	12.8%
Heart disease	8.6%
Stroke	3.8%
Asthma	9.6%
Arthritis	33.7%
Kidney disease	3.5%
Pulmonary disease	9.1%
Cancer	8.7%

Behavior / access	%
Smoking	18.6%
Binge drinking	12.9%
No physical activity	25.9%
Less than 7 hrs sleep	33.1%
Depression	17.2%
Fair or poor health	15.8%
Poor mental health	11.7%
Poor physical health	11.5%
No health insurance	9.2%
Visited doctor (checkup)	79.0%
Visited dentist	64.4%
Cholesterol screening	92.9%
Teeth loss	13.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	83	9.5%

Disability	%
Any disability	10.2%
Under 18	2.1%
18–64 years	6.6%
65 and over	26.2%

Health insurance coverage

Type	%
Private insurance	68.1%
Public insurance	45.5%
No insurance	6.4%
Uninsured under 19	4.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,116	96.0%
Spanish	14	1.3%
Other Indo-European	11	1.0%
Asian & Pacific Islander	3	0.3%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,155	99.4%
Born in same state	1,155	99.4%
Born in different state	908	78.1%
Foreign born	0	0.0%
Naturalized citizen	7	0.6%
Not a US citizen	4	57.1%

Ancestry

Ancestry	Count	%
Italian	230	19.8%
French	120	10.3%
Arab	52	4.5%
Polish	7	0.6%

Ancestry	Count	%
English	6	0.5%
Dutch	6	0.5%
Norwegian	3	0.3%

Technology access

Metric	% of households
Computer access	39.0%
Internet access	96.9%

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

Frequently asked questions about ZIP code 61428

What city is ZIP code 61428 in?

ZIP code 61428 is primarily assigned to Dahinda, Illinois.

What county is ZIP code 61428 in?

ZIP code 61428 falls within Knox County, Illinois.

Is ZIP code 61428 mostly owner-occupied?

92% of occupied units in ZIP code 61428 are owner-occupied, well above the national average.

Does ZIP code 61428 have a large retiree population?

42% of households in ZIP code 61428 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 61428 have a large veteran population?

10% of civilians in ZIP code 61428 are veterans, above the national average of ~7%.

What is the population of ZIP code 61428?

ZIP code 61428 has an estimated population of 1,162 residents, with a density of 39 people per square mile.

What timezone is ZIP code 61428 in?

ZIP code 61428 observes the CST timezone.