Postal Codes

61104 ZIP Code

Advertisement

English Español

ZIP code 61104 covers Rockford, Illinois, with a population of about 17,584 and a median household income of $32,161.

Population
17,5843,907 per square mile
Median age
34.64.1 points below the US average
Median household income
$32,16161% below the Illinois median
Poverty rate
39.4%27 points above the US average
Typical home value
$114,812up 81% in five years
Median rent
$85430% below the Illinois median
Degree or higher
9.1%25.9 points below the US average
Homeownership
37%28 points below the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
440

Where 61104 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

Population17,584
Median age34.6
Family households50.8%
Born outside the US16.2%
Speaks a language other than English at home26.2%
White (non-Hispanic)40.8%
Black (non-Hispanic)24.9%
Asian (non-Hispanic)4.2%
Hispanic or Latino25.8%
Veterans4.3%
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$32,161
Income per person$20,618
Poverty rate39.4%
Households on SNAP or cash assistance45.8%

Household income distribution

Under $10k14.1%
$10–15k9.1%
$15–20k10.5%
$20–25k10.0%
$25–30k4.1%
$30–35k4.3%
$35–40k8.0%
$40–45k2.9%
$45–50k5.0%
$50–60k7.0%
$60–75k6.3%
$75–100k9.1%
$100–125k3.6%
$125–150k2.1%
$150–200k3.6%
$200k or more0.3%

Income as declared to the IRS

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

Tax returns filed6,560
Mean adjusted gross income$33,049
Returns declaring $200,000 or more0%
Returns, under $25k47.3%
Returns, $25k–$50k33.8%
Returns, $50k–$75k11.4%
Returns, $75k–$100k4.7%
Returns, $100k–$200k2.7%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$83,700
Median gross rent$854
Rent as a share of household income35.2%
Owner-occupied37%
Vacant homes16.2%
Median year built1938

What the homes are

Detached house35.8%
Attached house0.9%
2 to 4 units48.2%
5 to 19 units5.2%
20 or more units9.4%
Mobile home0.6%
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$114,812as of 2026-07
Typical home value, 1 yearup 16.9%
Typical home value, 5 yearsup 81%
Typical home value, 10 yearsup 255.3%
Typical asking rent$1,088as of 2026-07
Typical asking rent, 1 yearup 4%
Typical home value since 2000
200020132026$114,812$25,963

$47,771 in 2000 to $114,812 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate12.9%
Bachelor's degree or higher9.1%
High school diploma or higher74.7%
Works from home4.7%
Drives to work alone68.7%
Takes public transport3.1%
Commutes 45 minutes or more10.4%
Health

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

Obesity50.9% 17.5 pts above the national average of 33.4%
Diagnosed diabetes18.1% 6.1 pts above the national average of 12%
Currently smokes25.6% 12.4 pts above the national average of 13.2%
High blood pressure41% 6.9 pts above the national average of 34.1%
Fair or poor general health36% 15.7 pts above the national average of 20.3%
No health insurance (18–64)19.8% 8.5 pts above the national average of 11.3%
Depression24.8% 2.9 pts above the national average of 21.9%
No leisure-time physical activity39.9% 14.5 pts above the national average of 25.4%
Arthritis27.7% 2.6 pts above the national average of 25.1%
Binge drinking15% 1 pts below the national average of 16%
Taking blood pressure medication73.5% 1.2 pts below the national average of 74.7%
Cancer (non-skin)5.4% 2.3 pts below the national average of 7.7%
Current asthma12.1% 1.7 pts above the national average of 10.4%
Coronary heart disease8% 1.8 pts above the national average of 6.2%
Routine check-up in past year76% 0.7 pts below the national average of 76.7%
Cholesterol screening78.2% 7.7 pts below the national average of 85.9%
Cognitive disability22.8% 8 pts above the national average of 14.8%
Colorectal screening49.5% 14.8 pts below the national average of 64.3%
COPD11.8% 5.2 pts above the national average of 6.6%
Visited a dentist40.5% 20.8 pts below the national average of 61.3%
Any disability43.8% 13.1 pts above the national average of 30.7%
Lacks emotional support33.1% 8.3 pts above the national average of 24.8%
Food insecurity42% 24.9 pts above the national average of 17.1%
Received food stamps45.6% 31.3 pts above the national average of 14.3%
Hearing disability7.9% 1.2 pts above the national average of 6.7%
High cholesterol36.3% same as the national average of 36.2%
Housing insecurity30.3% 16.5 pts above the national average of 13.8%
Independent living disability16% 7.6 pts above the national average of 8.4%
Lacks transport20.8% 11.6 pts above the national average of 9.2%
Loneliness39.7% 5.3 pts above the national average of 34.4%
Mammography use62.6% 13.3 pts below the national average of 75.9%
Poor mental health (14+ days)23.3% 6.5 pts above the national average of 16.8%
Mobility disability22.3% 8.3 pts above the national average of 14%
Poor physical health (14+ days)19.9% 6.4 pts above the national average of 13.5%
Self-care disability8.3% 4.3 pts above the national average of 4%
Utility shut-off threat21.8% 13 pts above the national average of 8.8%
Sleeps under 7 hours43.9% 7.5 pts above the national average of 36.4%
Stroke5% 1.6 pts above the national average of 3.4%
All natural teeth lost30.9% 17.9 pts above the national average of 13%
Vision disability11.7% 6.1 pts above the national average of 5.6%
Advertisement
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments440
People employed8,944
Annual payroll$576,968,000
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 57.7% of US census tracts
FEMA ratingVery Low to Relatively Moderate across the 13 census tracts this ZIP code covers
Expected annual loss40.4 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 wave87.7Very High at its worst in this ZIP code
Hail86.2Relatively High at its worst in this ZIP code
Tornado83.6Very High at its worst in this ZIP code
Strong wind83.1Relatively High at its worst in this ZIP code
Ice storm68.4Relatively Moderate at its worst in this ZIP code
Lightning62.3Relatively High at its worst in this ZIP code
River flooding61.9Relatively High at its worst in this ZIP code
Winter weather60.6Relatively Moderate at its worst in this ZIP code
Earthquake54.7Relatively Low at its worst in this ZIP code
Heat wave42.5Relatively Moderate at its worst in this ZIP code
Landslide40.5Very Low at its worst in this ZIP code
Hurricane19.6Very Low at its worst in this ZIP code
Wildfire7.2Very 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$32,161$81,702$78,538
Income per person$20,618$45,104$43,289
Poverty rate39.4%11.7%12.4%
Median home value$83,700$250,500$303,400
Median gross rent$854$1,227$1,348
Homeownership37%66.8%65%
Bachelor's degree or higher9.1%37.2%35%
Unemployment rate12.9%5.8%5.2%
Works from home4.7%14%13.5%
Born outside the US16.2%14.4%13.9%
Median age34.638.938.7
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 US7.1 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 supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarket51% 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%.

Rockford School District 205100% 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 vulnerability85more vulnerable than 85% of US census tracts
Socioeconomic status94more vulnerable than 94% of US census tracts
Household characteristics86more vulnerable than 86% of US census tracts
Racial and ethnic minority status71more vulnerable than 71% of US census tracts
Housing type and transport51more vulnerable than 51% of US census tracts
Walkability7.8 out of 20Below average
Nearby ZIP codes

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

61105 Rockford, IL2.2 km away
61102 Rockford, IL3.9 km away
61107 Rockford, IL4.2 km away
61108 Rockford, IL4.4 km away
61109 Rockford, IL4.8 km away
61103 Rockford, IL5.1 km away
61101 Rockford, IL5.2 km away
61112 Rockford, IL8.8 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 area4.5 sq mi
Water area0.08 sq mi
Population density3,907 people per sq mi
Latitude, longitude42.2554, -89.0768

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.

Advertisement