ZIP code
61101
Rockford, IL
61101 covers Rockford in Winnebago County, with 19,671 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 61101. Methodology
ZIP code map of 61101
About ZIP code 61101
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 61101. Not ACS. Methodology
People in 61101
Race
- White8,660
- Black or African American7,272
- American Indian or Alaska Native158
- Asian97
- Native Hawaiian and Pacific Islander10
- Other race1,847
- Two or more races1,740
Hispanic or Latino (any race): 3,331
Age
- Under 102,839
- 10 to 192,817
- 20 to 292,500
- 30 to 392,416
- 40 to 492,206
- 50 to 592,478
- 60 to 692,313
- 70 to 791,444
- 80 and older771
Income and housing in 61101
Education
- High school graduate79.8%
- Bachelor's degree14.7%
- Graduate degree6.3%
Places covering 61101
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.
- Rockford77.1%
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
22.9% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 61101
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 18,591 | |
| 2006 | 18,727 | |
| 2007 | 20,491 | |
| 2008 | 18,599 | |
| 2009 | 18,948 | |
| 2010 | 18,585 | |
| 2011 | 22,848 | 18,279 |
| 2012 | 22,912 | 18,050 |
| 2013 | 22,680 | 17,760 |
| 2014 | 22,272 | 17,880 |
| 2015 | 21,097 | 17,560 |
| 2016 | 20,622 | 16,760 |
| 2017 | 19,595 | 16,840 |
| 2018 | 19,546 | 16,470 |
| 2019 | 19,242 | 16,300 |
| 2020 | 19,083 | 16,060 |
| 2021 | 20,394 | 15,640 |
| 2022 | 20,481 | 15,420 |
| 2023 | 19,671 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 61101
12 nearest ZIP centroids (any distance)
- 61103Rockford3.1 miPop 23,238 · Income $47,390
- 61115Machesney Park6.3 miPop 22,424 · Income $73,771
- 61072Rockton6.7 miPop 11,342 · Income $102,604
- 61104Rockford7.3 miPop 17,584 · Income $32,161
- 61111Loves Park7.4 miPop 22,838 · Income $58,391
- 61088Winnebago8.0 miPop 5,992 · Income $94,286
- 61102Rockford8.1 miPop 16,620 · Income $42,506
- 61079Shirland8.2 miPop 220 · Income $46,176
- 61114Rockford8.4 miPop 15,026 · Income $83,472
- 61107Rockford8.5 miPop 29,473 · Income $75,492
- 61073Roscoe9.4 miPop 20,008 · Income $104,534
- 61108Rockford9.7 miPop 30,202 · Income $63,046
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 61101, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 61101 FAQ
- What city is ZIP code 61101 in?
- 61101 is in Rockford, IL.
- What county is 61101 in?
- 61101 is in Winnebago County.
- What is the median household income in 61101?
- The median household income in 61101 is $45,260.
- Which ZIP codes are near 61101?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 61101.