61077 ZIP Code — Seward, IL

Winnebago County, Illinois

ZIP code 61077 is located in Seward, Illinois, within Winnebago County. It covers approximately 0.79 square miles and serves a population of 118 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 815.

118

population

0.79

sq mi land

Standard

ZIP type

Central (CT)

timezone

61077 ZIP code map

Cities in ZIP code 61077

Below are the cities the US Postal Service accepts for ZIP code 61077. Using any city not on this list may result in mail delivery delays.

City	Status
Seward	Acceptable

Demographics updated 05/2026

Population
Total population	118
Population density	149 / sq mi
State FIPS	17
County FIPS	201

Geography
Land area	0.79 sq mi
Water area	0.00 sq mi
Latitude	42.2374
Longitude	-89.3580
Timezone	Central (CT)
Area code	815

Total population by age

Gender

Race & ethnicity

Demographics & statistics

118

Population

149

People per sq mi

0.0

Median age

Median household income

Per capita income

Median home value

Median monthly rent

100.0%

Home ownership

0.0%

Poverty rate

0.0%

Unemployment

Housing units

48.3%

Bachelor's or higher

Age distribution

Male Female

60–64

← Male

Female →

Age summary

Group	Count	%
Under 18	0	0.0%
18 and over	118	100.0%
65 and over	0	0.0%
Median age	0.0 years

Race & ethnicity

White 100%

Group	Count	%
White	118	100%

Household income

$100k–$150k 100.0%

Range	% of households
$100k–$150k	100.0%
Median income	$0

Housing

Home values

$100k–$150k 100.0%

Housing overview

Metric	Value
Median home value	$0
Median rent / month	$0
Owner occupied	100.0%
Renter occupied	0.0%
Vacant	0.0%
Single-family detached	100.0%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	0.0
Avg household size (owned)	1.93

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	0.0%
1990–1999	0.0%
1980–1989	0.0%
1970–1979	0.0%
1960–1969	0.0%
1950–1959	0.0%
1940–1949	0.0%
1939 or earlier	100.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	100.0%
3 bedrooms	0.0%
4 bedrooms	0.0%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	0.0%
2 vehicles	100.0%
3 or more	0.0%

Heating fuel

Fuel type	%
Utility gas	100.0%

Households & families

Household type	Count	%
Married-couple family	61	100.0%
Cohabiting couple	0	0.0%
Male householder, no spouse	0	0.0%
Female householder, no spouse	0	0.0%
Households with children under 18	0	0.0%
Households with seniors (65+)	0	0.0%
Average household size	1.93

Marital status

Status	Male	Female
Never married	0.0%	0.0%
Married	100.0%	100.0%
Separated	0.0%	0.0%
Widowed	0.0%	0.0%
Divorced	0.0%	0.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.0%

HS graduate 51.7%

Some college, no degree 0.0%

Associate's degree 0.0%

Bachelor's degree 48.3%

Graduate / professional 0.0%

Metric	%
HS diploma or higher	100.0%
Bachelor's or higher	48.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	0	0.0%
High school	0	0.0%
College / grad school	0	0.0%

Employment

Industry of employment

Manufacturing 51.7%

Finance & real estate 48.3%

Occupation

Category	%
Management, business & arts	48.3%
Service	0.0%
Sales & office	0.0%
Natural resources & construction	0.0%
Production & transportation	51.7%

Employment type

Type	%
Private sector	100.0%
Government	0.0%
Self-employed	0.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	100.0%
Carpool	0.0%
Public transit	0.0%
Walk	0.0%
Work from home	0.0%
Other means	0.0%
Avg commute (minutes)	0.0

Poverty

All people 0.0%

Under 18 years 0.0%

18 and over 0.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

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

Health indicators

Condition	%
Obesity	37.9%
High blood pressure	33.6%
High cholesterol	33.9%
Diabetes	9.3%
Heart disease	6.0%
Stroke	2.8%
Asthma	9.5%
Arthritis	28.1%
Kidney disease	2.8%
Pulmonary disease	6.6%
Cancer	7.8%

Behavior / access	%
Smoking	15.5%
Binge drinking	15.1%
No physical activity	22.2%
Less than 7 hrs sleep	29.5%
Depression	18.0%
Fair or poor health	12.1%
Poor mental health	12.1%
Poor physical health	9.2%
No health insurance	8.7%
Visited doctor (checkup)	78.0%
Visited dentist	70.9%
Cholesterol screening	92.0%
Teeth loss	10.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	0	0.0%

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

Health insurance coverage

Type	%
Private insurance	100.0%
Public insurance	0.0%
No insurance	0.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	118	100.0%
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)	118	100.0%
Born in same state	118	100.0%
Born in different state	118	100.0%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Technology access

Metric	% of households
Computer access	51.7%
Internet access	100.0%

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

Frequently asked questions about ZIP code 61077

What city is ZIP code 61077 in?

ZIP code 61077 is primarily assigned to Seward, Illinois.

What county is ZIP code 61077 in?

ZIP code 61077 falls within Winnebago County, Illinois.

How educated is the population of ZIP code 61077?

48% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the population of ZIP code 61077?

ZIP code 61077 has an estimated population of 118 residents, with a density of 149 people per square mile.

What timezone is ZIP code 61077 in?

ZIP code 61077 observes the CST timezone.