Postal Codes

61103 ZIP Code

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ZIP code 61103 covers Rockford, Illinois, with a population of about 23,238 and a median household income of $47,390.

Population
23,2381,422 per square mile
Median age
40.21.5 points above the US average
Median household income
$47,39042% below the Illinois median
Poverty rate
23.4%11 points above the US average
Typical home value
$155,259up 61.2% in five years
Median rent
$95222% below the Illinois median
Degree or higher
20.2%14.8 points below the US average
Homeownership
50.4%14.6 points below the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
335

Where 61103 is

Rockford, Illinois — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population23,238
Median age40.2
Family households54.5%
Born outside the US6.6%
Speaks a language other than English at home12.5%
White (non-Hispanic)55.7%
Black (non-Hispanic)24.7%
Asian (non-Hispanic)0.5%
Hispanic or Latino12.3%
Veterans7.3%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$47,390
Income per person$29,518
Poverty rate23.4%
Households on SNAP or cash assistance30.6%

Household income distribution

Under $10k8.8%
$10–15k6.9%
$15–20k6.0%
$20–25k6.3%
$25–30k3.7%
$30–35k5.4%
$35–40k5.1%
$40–45k4.5%
$45–50k4.3%
$50–60k6.6%
$60–75k9.7%
$75–100k12.7%
$100–125k6.9%
$125–150k5.3%
$150–200k4.2%
$200k or more3.5%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed10,270
Mean adjusted gross income$52,947
Returns declaring $200,000 or more2.3%
Returns, under $25k36.8%
Returns, $25k–$50k29.8%
Returns, $50k–$75k14.3%
Returns, $75k–$100k7.6%
Returns, $100k–$200k9.2%
Returns, $200k or more2.3%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$114,800
Median gross rent$952
Rent as a share of household income33.1%
Owner-occupied50.4%
Vacant homes10.9%
Median year built1955

What the homes are

Detached house62.7%
Attached house2.2%
2 to 4 units13.5%
5 to 19 units11.3%
20 or more units10.3%
Mobile home0.1%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$155,259as of 2026-07
Typical home value, 1 yearup 8.7%
Typical home value, 5 yearsup 61.2%
Typical home value, 10 yearsup 167.5%
Typical asking rent$1,021as of 2026-07
Typical asking rent, 1 yearup 8%
Typical home value since 2000
200020132026$155,259$51,217

$68,671 in 2000 to $155,259 in 2026.

Typical asking rent
202220242026$1,021$754

$754 in 2022 to $1,021 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate7.9%
Bachelor's degree or higher20.2%
High school diploma or higher86.5%
Works from home5.9%
Drives to work alone79.7%
Takes public transport0.7%
Commutes 45 minutes or more10%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity46% 12.6 pts above the national average of 33.4%
Diagnosed diabetes16.1% 4.1 pts above the national average of 12%
Currently smokes18.9% 5.7 pts above the national average of 13.2%
High blood pressure41.5% 7.4 pts above the national average of 34.1%
Fair or poor general health27.1% 6.8 pts above the national average of 20.3%
No health insurance (18–64)12.5% 1.2 pts above the national average of 11.3%
Depression23.2% 1.3 pts above the national average of 21.9%
No leisure-time physical activity31.2% 5.8 pts above the national average of 25.4%
Arthritis30.8% 5.7 pts above the national average of 25.1%
Binge drinking15.2% 0.8 pts below the national average of 16%
Taking blood pressure medication78% 3.3 pts above the national average of 74.7%
Cancer (non-skin)8.1% same as the national average of 7.7%
Current asthma11.6% 1.2 pts above the national average of 10.4%
Coronary heart disease8.1% 1.9 pts above the national average of 6.2%
Routine check-up in past year79.4% 2.7 pts above the national average of 76.7%
Cholesterol screening84.9% 1 pts below the national average of 85.9%
Cognitive disability17.1% 2.3 pts above the national average of 14.8%
Colorectal screening60.1% 4.2 pts below the national average of 64.3%
COPD10.1% 3.5 pts above the national average of 6.6%
Visited a dentist54.7% 6.6 pts below the national average of 61.3%
Any disability37.5% 6.8 pts above the national average of 30.7%
Lacks emotional support28.6% 3.8 pts above the national average of 24.8%
Food insecurity26.2% 9.1 pts above the national average of 17.1%
Received food stamps27.8% 13.5 pts above the national average of 14.3%
Hearing disability8% 1.3 pts above the national average of 6.7%
High cholesterol38.3% 2.1 pts above the national average of 36.2%
Housing insecurity20% 6.2 pts above the national average of 13.8%
Independent living disability12.1% 3.7 pts above the national average of 8.4%
Lacks transport13.3% 4.1 pts above the national average of 9.2%
Loneliness36% 1.6 pts above the national average of 34.4%
Mammography use69.4% 6.5 pts below the national average of 75.9%
Poor mental health (14+ days)19.4% 2.6 pts above the national average of 16.8%
Mobility disability19.5% 5.5 pts above the national average of 14%
Poor physical health (14+ days)16.9% 3.4 pts above the national average of 13.5%
Self-care disability6.2% 2.2 pts above the national average of 4%
Utility shut-off threat14.1% 5.3 pts above the national average of 8.8%
Sleeps under 7 hours39.1% 2.7 pts above the national average of 36.4%
Stroke4.8% 1.4 pts above the national average of 3.4%
All natural teeth lost17.9% 4.9 pts above the national average of 13%
Vision disability8.1% 2.5 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments335
People employed6,143
Annual payroll$374,155,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 81.1% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 11 census tracts this ZIP code covers
Expected annual loss82.2 out of 100
Community resilience57.7 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Cold wave90.2Relatively High at its worst in this ZIP code
River flooding89.7Very High at its worst in this ZIP code
Hail88.4Relatively High at its worst in this ZIP code
Tornado87.5Very High at its worst in this ZIP code
Strong wind86.1Relatively High at its worst in this ZIP code
Ice storm72.4Relatively Moderate at its worst in this ZIP code
Drought68.6Relatively Low at its worst in this ZIP code
Lightning66.7Relatively Moderate at its worst in this ZIP code
Landslide66.1Very Low at its worst in this ZIP code
Winter weather63.7Relatively Moderate at its worst in this ZIP code
Wildfire53.2Relatively Low at its worst in this ZIP code
Heat wave46.4Relatively Low at its worst in this ZIP code
Earthquake45.4Relatively Low at its worst in this ZIP code
Hurricane21.9Very Low at its worst in this ZIP code
Compared with Illinois and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPIllinoisUnited States
Median household income$47,390$81,702$78,538
Income per person$29,518$45,104$43,289
Poverty rate23.4%11.7%12.4%
Median home value$114,800$250,500$303,400
Median gross rent$952$1,227$1,348
Homeownership50.4%66.8%65%
Bachelor's degree or higher20.2%37.2%35%
Unemployment rate7.9%5.8%5.2%
Works from home5.9%14%13.5%
Born outside the US6.6%14.4%13.9%
Median age40.238.938.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationROCKFORD GTR ROCKFORD AP, IL US12.1 km away
Rain in a year37 in
Snow in a year37 in

Average high and low by month

January29.1°F / 14.5°F1.6 in rain, 10.9 in snow
February33.4°F / 17.8°F1.63 in rain, 8.5 in snow
March46.5°F / 28.1°F2.4 in rain, 4.9 in snow
April59.7°F / 38.5°F3.75 in rain, 0.9 in snow
May71.2°F / 49.5°F4.18 in rain
June80.7°F / 59.6°F5.23 in rain
July83.9°F / 63.6°F3.81 in rain
August82°F / 61.8°F4.19 in rain
September75.3°F / 53.5°F3.62 in rain
October62.3°F / 41.8°F2.63 in rain, 0.2 in snow
November47.1°F / 30.5°F2.27 in rain, 2.3 in snow
December34.3°F / 20.2°F1.93 in rain, 9.4 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket3% of this ZIP code's area
Far from a supermarket3% of this ZIP code's area
No vehicle and far from a supermarket8% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 3 school districts, so the address decides which one, not the ZIP code.

Rockford School District 20557.3% of this ZIP code's land area
Hononegah Community High School District 20721.4% of this ZIP code's land area
Rockton School District 14021.4% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability26more vulnerable than 26% of US census tracts
Socioeconomic status31more vulnerable than 31% of US census tracts
Household characteristics53more vulnerable than 53% of US census tracts
Racial and ethnic minority status36more vulnerable than 36% of US census tracts
Housing type and transport17more vulnerable than 17% of US census tracts
Walkability4.7 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

61101 Rockford, IL2.9 km away
61105 Rockford, IL3.4 km away
61107 Rockford, IL4.6 km away
61104 Rockford, IL5.1 km away
61111 Loves Park, IL5.2 km away
61102 Rockford, IL6.2 km away
61115 Machesney Park, IL6.9 km away
61114 Rockford, IL7.3 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Winnebago County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area16.34 sq mi
Water area0.53 sq mi
Population density1,422 people per sq mi
Latitude, longitude42.3010, -89.0833

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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