PlainZIP

Port Byron, IL · standard

ZIP Code 61275

Rock Island County, Illinois - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

4,347
50/sq mi
$108,438
Median income
$245,700
Median home value
29.1%
Bachelor's or higher

The verdict

Port Byron pairs an upper-quartile household income with above-median home values, in a rural, homeowner-dominated area.

Top 14%
household income, US ZIPs
Top 44%
home value, US ZIPs
50
people per sq mi
89%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 61275 against every reporting US ZIP.

ZIP code 61275 covers 86.9 square miles in Port Byron, Rock Island County, Illinois (a standard USPS delivery area), with a modest 4,347 residents on file, a density of 50 people per square mile, in the Chicago time zone.

ZIP 61275 lands in the middle-income range, with a median household income of $108,438 (35% above the Illinois average), while per-capita income is $48,028. Local economic indicators show a 8.3% poverty rate alongside 5.8% unemployment. Housing costs here run $245,700 for a typical home value (28% above the state average), with rent averaging $1,005 a month; 89.4% of homes are owner-occupied.

Educational attainment sits below the national norm: 29.1% of adults hold a bachelor's degree or higher, the median age is 44.7, and the average commute is 21 minutes. To put 61275 in local context, 10 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Rock Island County, for a geography-aware comparison.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 61275

Top 5 sectors by establishment count in Port Byron, IL

Which industries have the most business establishments in ZIP 61275.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 61275, Port Byron, IL · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

4,347

Population

86.9

Area (sq mi)

50

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 61275?

44.7

Median Age

50.0%

Male

50.0%

Female

1.4%

Foreign-Born

White 92.5%
African American 0.7%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 6.4%
Hispanic or Latino 5.6%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$108,438

Median Household Income

+35% vs state

$48,028

Per Capita Income

8.3%

Poverty Rate

5.8%

Unemployment Rate

21.2 min

Mean Commute Time

How ZIP 61275 ranks nationally

Port Byron, IL household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$108,438 Top 14% higher than 86% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 60.3%
Bachelor's Degree or Higher 29.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

1,767

Total Housing Units

1,695

Occupied Units

72

Vacant Units

2.51

Avg Household Size

Occupancy Type

Owner 89.4%
Renter 10.6%

$245,700

Median Home Value

+28% vs state

$1,005

Median Rent

1977

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+10.2%

YoY Change (2024)

209

HPI Index (2000 = 100)

+109%

Total Change Since 2000

Home values in ZIP 61275 have increased 10.2% over the past year (2024). Since 2000, this ZIP has seen +109% cumulative appreciation.

Year Annual Change HPI Index
2020 +2.7% 139
2021 +9.7% 152
2022 +15.3% 175
2023 +7.9% 189
2024 +10.2% 209

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 73 business establishments in ZIP 61275, employing approximately 354 people with a combined annual payroll of $23,317,000.

73

Businesses

354

Employees

$23.3M

Annual Payroll

10

Industry Sectors

Industry Establishments % of Total
Construction 14 19.2%
Other services (except public administration) 10 13.7%
Administrative and support and waste management and remediation services 9 12.3%
Accommodation and food services 7 9.6%
Finance and insurance 6 8.2%
Real estate and rental and leasing 5 6.8%
Professional, scientific, and technical services 5 6.8%
Retail trade 4 5.5%
Transportation and warehousing 3 4.1%
Health care and social assistance 3 4.1%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 61275 vs 61278 →

ZIP 61275 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 61275 ranks #4 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 61275 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 61275 ranks #2 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
61278 Rapids City, IL 412 2.3 mi
61257 Hillsdale, IL 1,210 4.0 mi
52753 Le Claire, IA 5,153 5.1 mi
61242 Cordova, IL 1,145 7.2 mi
61241 Colona, IL 7,124 7.8 mi
61256 Hampton, IL 1,822 6.0 mi
61236 Barstow, IL 193 6.8 mi
52767 Pleasant Valley, IA 349 6.8 mi
61244 East Moline, IL 24,053 7.3 mi
52768 Princeton, IA 1,426 8.3 mi

More ZIP Codes in Rock Island County

61265 standard
Moline, IL
Pop: 45,099
61201 standard
Rock Island, IL
Pop: 39,116
61244 standard
East Moline, IL
Pop: 24,053
61264 standard
Milan, IL
Pop: 10,548
61282 standard
Silvis, IL
Pop: 7,809
61240 standard
Coal Valley, IL
Pop: 5,870

Related Areas

Rock Island County Port Byron, IL Illinois

Frequently Asked Questions

What county is ZIP code 61275 in? ▼
ZIP code 61275 (Port Byron) is located in Rock Island County, Illinois. Rock Island County contains multiple ZIP codes, see the full list at /counties/rock-island-il.
What is the population of ZIP code 61275? ▼
ZIP code 61275 in Port Byron, IL has a population of 4,347 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 61275? ▼
The median household income in ZIP 61275 is $108,438, which is 42% above the national average of $76,288.
What is the average home value in ZIP 61275? ▼
The median home value in ZIP 61275 is $245,700, which is 12% below the national average of $278,155.
What is the demographic makeup of ZIP 61275? ▼
The largest racial group in ZIP 61275 is White at 92.5%. Hispanic or Latino residents make up 5.6% of the population.
How many businesses are in ZIP code 61275? ▼
ZIP code 61275 has 73 business establishments employing approximately 354 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 61275? ▼
The top industries by establishment count in ZIP 61275 are: Construction (14), Other services (except public administration) (10), Administrative and support and waste management and remediation services (9). There are 10 industry sectors represented in total.
How have home values changed in ZIP code 61275? ▼
According to the FHFA House Price Index, home values in ZIP 61275 increased by 10.2% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 109%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 61275? ▼
In ZIP code 61275, 60.3% of residents aged 25+ have a high school diploma or higher, and 29.1% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 61275? ▼
The mean commute time for workers in ZIP code 61275 is 21.2 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 61275? ▼
In ZIP code 61275, approximately 89.4% of occupied housing units are owner-occupied and 10.6% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 61275? ▼
The poverty rate in ZIP code 61275 is 8.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.