ZIP code
61103
Rockford, IL
61103 covers Rockford in Winnebago County, with 23,238 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 61103. Methodology
ZIP code map of 61103
About ZIP code 61103
Acceptable cities: Machesney Park, Machesney Pk
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 61103. Not ACS. Methodology
People in 61103
Race
- White13,042
- Black or African American6,206
- American Indian or Alaska Native121
- Asian206
- Native Hawaiian and Pacific Islander5
- Other race1,486
- Two or more races2,228
Hispanic or Latino (any race): 3,313
Age
- Under 102,796
- 10 to 193,069
- 20 to 292,920
- 30 to 392,961
- 40 to 492,713
- 50 to 593,084
- 60 to 693,020
- 70 to 791,664
- 80 and older1,067
Income and housing in 61103
Education
- High school graduate86.5%
- Bachelor's degree20.2%
- Graduate degree7.1%
Places covering 61103
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Rockford92.4%
- Machesney Park1.5%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Winnebago County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
6.1% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 61103
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 21,095 | |
| 2006 | 21,000 | |
| 2007 | 22,623 | |
| 2008 | 21,007 | |
| 2009 | 20,849 | |
| 2010 | 20,310 | |
| 2011 | 25,189 | 19,977 |
| 2012 | 24,392 | 19,710 |
| 2013 | 24,378 | 19,500 |
| 2014 | 24,341 | 19,390 |
| 2015 | 23,705 | 19,400 |
| 2016 | 23,718 | 18,890 |
| 2017 | 24,064 | 19,110 |
| 2018 | 23,964 | 18,930 |
| 2019 | 23,512 | 18,900 |
| 2020 | 23,951 | 18,730 |
| 2021 | 23,446 | 18,530 |
| 2022 | 23,441 | 18,160 |
| 2023 | 23,238 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 61103
12 nearest ZIP centroids (any distance)
- 61101Rockford3.1 miPop 19,671 · Income $45,260
- 61115Machesney Park3.5 miPop 22,424 · Income $73,771
- 61111Loves Park4.3 miPop 22,838 · Income $58,391
- 61114Rockford5.4 miPop 15,026 · Income $83,472
- 61107Rockford5.8 miPop 29,473 · Income $75,492
- 61104Rockford6.1 miPop 17,584 · Income $32,161
- 61108Rockford7.3 miPop 30,202 · Income $63,046
- 61073Roscoe7.5 miPop 20,008 · Income $104,534
- 61072Rockton7.5 miPop 11,342 · Income $102,604
- 61102Rockford8.6 miPop 16,620 · Income $42,506
- 61112Rockford8.9 miPop 116 · Income —
- 61079Shirland10.2 miPop 220 · Income $46,176
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 61103, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.
ZIP code 61103 FAQ
- What city is ZIP code 61103 in?
- 61103 is in Rockford, IL.
- What county is 61103 in?
- 61103 is in Winnebago County.
- What is the median household income in 61103?
- The median household income in 61103 is $47,390.
- Which ZIP codes are near 61103?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 61103.