Port Byron ZIP Codes — Rock Island County, IL

There is one unique ZIP code in Port Byron, Illinois and it is 61275. Area code: 309.

ZIP codes

33.25

sq mi land

1.14

sq mi water

309

area code

Port Byron, IL ZIP code map

About Port Byron, IL

Port Byron, Illinois, is a charming small town located in Rock Island County. Known for its scenic landscapes and friendly atmosphere, Port Byron offers a unique blend of rural and suburban living. With a single ZIP code of 61275, it provides a quaint setting for residents and visitors alike.

Location & geography

Port Byron is situated in the northwestern part of Illinois, approximately 16 miles east of Moline and 18 miles from Davenport, Iowa. The town covers a total area of 34.39 square miles, with 33.25 square miles being land and 1.14 square miles consisting of water. The surrounding terrain includes rolling hills and picturesque views along the banks of the Mississippi River.

Community & economy

The community of Port Byron is known for its close-knit atmosphere, where residents often engage in local events and support one another. The town's economy is supported by various industries, including agriculture and small businesses that cater to both residents and visitors. Daily life in Port Byron features recreational activities and a strong emphasis on community involvement.

Transportation

Port Byron is accessible via Interstate 80, which runs to the south of the town, providing convenient travel in both east and west directions. The nearest major airport is the Quad City International Airport, located about 25 miles away in Moline. Local transit options are limited, with most residents relying on personal vehicles for transportation.

History

Port Byron was founded in the mid-19th century and has a rich history tied to the development of the region, especially as a commercial hub along the Mississippi River. The town has traditionally supported agriculture and small-scale manufacturing, contributing to its economic stability and growth. Notable events in its history include various community celebrations that highlight its heritage and unity.

Did you know?

One surprising fact about Port Byron is that it was named after Port Byron, New York, which is located on the banks of the Erie Canal. Additionally, the town is home to the historic Erie Canal, which significantly influenced early trade and transportation in the area.

ZIP codes for Port Byron, IL (1)

ZIP code	City	County	Map
61275	Port Byron	Rock Island	View map

Demographics & statistics

4,393

Population

46.6

Median age

$93,077

Median household income

$44,367

Per capita income

$237,600

Median home value

$639

Median monthly rent

84.8%

Home ownership

6.6%

Poverty rate

5.3%

Unemployment

1,538

Housing units

32.4%

Bachelor's or higher

Age distribution

Male Female

126

Under 5

131

118

5–9

124

157

10–14

163

136

15–19

142

20–24

198

25–34

207

208

35–44

216

334

45–54

349

181

55–59

188

169

60–64

177

259

65–74

271

158

75–84

165

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,005	22.9%
18 and over	3,388	77.1%
65 and over	878	20.0%
Median age	46.6 years

Race & ethnicity

White 84.1%

Two or more races 8.3%

Hispanic or Latino 4.9%

Black or African American 1.8%

Other race 0.4%

American Indian / Alaska Native 0.4%

Group	Count	%
White	3,886	84.1%
Two or more races	383	8.3%
Hispanic or Latino	228	4.9%
Black or African American	85	1.8%
Other race	20	0.4%
American Indian / Alaska Native	19	0.4%

Household income

Under $10k 2.3%

$10k–$15k 2.0%

$15k–$25k 5.2%

$25k–$35k 5.2%

$35k–$50k 5.4%

$50k–$75k 18.4%

$75k–$100k 14.6%

$100k–$150k 21.9%

$150k–$200k 9.4%

$200k+ 15.6%

Range	% of households
Under $10k	2.3%
$10k–$15k	2.0%
$15k–$25k	5.2%
$25k–$35k	5.2%
$35k–$50k	5.4%
$50k–$75k	18.4%
$75k–$100k	14.6%
$100k–$150k	21.9%
$150k–$200k	9.4%
$200k+	15.6%
Median income	$93,077

Housing

Home values

Under $50k 5.3%

$50k–$100k 4.8%

$100k–$150k 12.1%

$150k–$200k 14.5%

$200k–$300k 28.6%

$300k–$500k 23.5%

$500k–$1M 10.9%

$1M+ 0.3%

Housing overview

Metric	Value
Median home value	$237,600
Median rent / month	$639
Owner occupied	84.8%
Renter occupied	15.2%
Vacant	4.2%
Single-family detached	83.2%
Large apartment buildings	0.2%
Mobile homes	9.4%
Median rooms	6.3
Avg household size (owned)	2.65

Year built

Era	%
2020 or later	0.9%
2010–2019	4.8%
2000–2009	12.0%
1990–1999	11.9%
1980–1989	9.5%
1970–1979	23.1%
1960–1969	11.7%
1950–1959	10.3%
1940–1949	2.7%
1939 or earlier	13.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.5%
1 bedroom	2.4%
2 bedrooms	16.3%
3 bedrooms	51.2%
4 bedrooms	24.4%
5+ bedrooms	5.1%

Vehicles per household

Vehicles	% of households
No vehicle	3.1%
1 vehicle	20.6%
2 vehicles	43.2%
3 or more	33.1%

Heating fuel

Fuel type	%
Utility gas	78.4%
Electricity	13.7%
Propane / LP gas	7.1%
No fuel used	0.8%

Households & families

Household type	Count	%
Married-couple family	1,094	63.4%
Cohabiting couple	122	7.1%
Male householder, no spouse	193	11.2%
Female householder, no spouse	317	18.4%
Households with children under 18	514	29.8%
Households with seniors (65+)	647	37.5%
Average household size	2.55

Marital status

Status	Male	Female
Never married	21.8%	22.7%
Married	65.7%	59.2%
Separated	0.6%	0.7%
Widowed	3.5%	10.6%
Divorced	8.4%	6.8%

Education

Less than 9th grade 1.5%

Some HS, no diploma 2.5%

HS graduate 29.4%

Some college, no degree 23.7%

Associate's degree 10.5%

Bachelor's degree 20.9%

Graduate / professional 11.4%

Metric	%
HS diploma or higher	96.0%
Bachelor's or higher	32.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	140	12.9%
Kindergarten	33	3.0%
Elementary school	448	41.3%
High school	310	28.5%
College / grad school	155	14.3%

Employment

Industry of employment

Education & healthcare 17.8%

Manufacturing 13.5%

Professional & management 11.6%

Arts, food & hospitality 10.4%

Retail trade 9.1%

Transportation & utilities 8.8%

Construction 7.7%

Finance & real estate 6.5%

Public administration 6.2%

Wholesale trade 3.1%

Other services 2.8%

Information 1.7%

Agriculture & mining 0.6%

Occupation

Category	%
Management, business & arts	41.5%
Service	17.7%
Sales & office	20.7%
Natural resources & construction	7.0%
Production & transportation	13.1%

Employment type

Type	%
Private sector	84.5%
Government	12.7%
Self-employed	2.3%
Unpaid family workers	0.5%

Commute

Method	%
Drive alone	78.2%
Carpool	6.0%
Public transit	0.0%
Walk	5.2%
Other means	0.4%
Avg commute (minutes)	22.8

Poverty

All people 6.6%

Under 18 years 8.9%

18 and over 5.9%

Married-couple families 5.7%

Female-led households 11.2%

Income support

Source	% of households
Social Security	36.8%
Retirement income	36.4%
Supplemental Security	2.4%
Cash public assistance	4.7%
Food stamps / SNAP	8.1%

Health indicators

Condition	%
High blood pressure	31.2%
High cholesterol	33.6%
Heart disease	6.3%
Stroke	2.8%
Asthma	9.5%
Arthritis	26.7%
Kidney disease	2.7%
Pulmonary disease	6.8%
Cancer	7.0%

Behavior / access	%
Binge drinking	15.5%
No physical activity	23.4%
Less than 7 hrs sleep	33.1%
Fair or poor health	12.8%
Poor mental health	12.3%
Poor physical health	9.4%
No health insurance	9.0%
Visited doctor (checkup)	78.8%
Visited dentist	67.3%
Cholesterol screening	91.4%
Teeth loss	11.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	224	6.6%

Disability	%
Any disability	10.1%
Under 18	3.0%
18–64 years	6.9%
65 and over	27.4%

Health insurance coverage

Type	%
Private insurance	78.5%
Public insurance	33.1%
Uninsured under 19	0.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,136	94.1%
Spanish	41	1.0%
Other Indo-European	27	0.7%
Asian & Pacific Islander	14	0.3%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,312	98.2%
Born in same state	4,309	98.1%
Born in different state	2,615	59.5%
Foreign born	3	0.1%
Naturalized citizen	81	1.8%
Not a US citizen	70	86.4%

Ancestry

Ancestry	Count	%
Italian	630	14.3%
French	479	10.9%
English	249	5.7%
Polish	102	2.3%

Ancestry	Count	%
Arab	79	1.8%
Norwegian	32	0.7%
Dutch	13	0.3%
German	6	0.1%

Technology access

Metric	% of households
Computer access	39.3%
Internet access	93.6%

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

Frequently asked questions

What ZIP codes does Port Byron, IL have?

Port Byron, IL has one ZIP code: 61275. Each ZIP code serves a distinct delivery area within the city and surrounding region.