Portland, Illinois
Portland: Township in Whiteside County, Illinois, United States of America
About
Portland is a township located in the county of Whiteside in the U.S. state of Illinois. Its population at the 2010 census was 422 and a population density of 12 people per km². After 10 years in 2020 city had an estimated population of 395 inhabitants.
Quick Facts about Portland
| Population : | 395 (2020) |
| Country : | United States of America |
| State : | Illinois (United States) |
| County : | Whiteside County |
| Area : | 35.65 km2 |
| Time Zone : | America/Chicago |
| Local time : | 11:06:50 (21st December 2025) |
| Density : | 11 Pop. per km² as of 2020 |
| Population growth : | -6.84% (2010-2020) |
Geography
Portland is located at 41°39'45"N 89°58'48"W (41.6625300, -89.9801200).
Portland map
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Demographics
According to census records, the population of Portland decreased by 6.84% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 422 | - | census |
| 2011 | 424 | 0.47% | estimation process |
| 2012 | 421 | -0.71% | estimation process |
| 2013 | 418 | -0.72% | estimation process |
| 2014 | 416 | -0.48% | estimation process |
| 2015 | 415 | -0.24% | estimation process |
| 2016 | 412 | -0.73% | estimation process |
| 2017 | 409 | -0.73% | estimation process |
| 2018 | 406 | -0.74% | estimation process |
| 2019 | 403 | -0.74% | estimation process |
| 2020 | 395 | -2.03% | estimation process |
Schools in Portland
College & universities near Portland, IL
| Code | Name | City | ZIP |
|---|---|---|---|
| 147396 | Morrison Institute of Technology | Morrison (IL) | 61270-2959 |
Stations (9)
Amtrak & bus stations near Portland, IL
| Code | Name | Address | Type |
|---|---|---|---|
| KEE | Kewanee | Loomis and North Tremont Sts. | RAIL |
| MLI | Moline, Illinois | 1200 River Drive | BUS |
| RKI | Rock Island, IL | 3500 5th Avenue | BUS |
| DVP | Davenport, Iowa | 304 West River Drive | BUS |
| PCT | Princeton | 107 Bicentennial Dr. | RAIL |
Post offices near Portland
| Post Office Name | City | ZIP |
|---|---|---|
| Prophetstown Post Office | Prophetstown (IL) | 61277 |
Other cities in Whiteside County
Cities, towns, neighborhoods & other populated places in Whiteside County , IL. (more)
| City Name | Population | Title |
|---|---|---|
| Sterling | 14,313 | City in Whiteside County, Illinois, United States |
| Rock Falls | 8,648 | City in Illinois |
| Morrison | 3,950 | City in Whiteside County, Illinois, United States of America |
| Fulton | 3,285 | City in Illinois |
| Prophetstown | 1,919 | City in Whiteside County, Illinois, United States |
| Erie | 1,482 | Village in Whiteside County, Illinois |
| Union Grove | 1,113 | Township in Whiteside County, Illinois |
| Garden Plain | 999 | Township of Illinois |
| Albany | 856 | Village in Whiteside County, Illinois, United States |
| Tampico | 721 | Township in Whiteside County, Illinois |
| Lyndon | 604 | City in Illinois, United States of America |
| Ustick | 581 | Township in Whiteside County, Illinois |
| Fenton | 507 | City in Whiteside County, Illinois, United States of America |
| Round Grove | 346 | Township in Livingston County, Illinois |
| Hahnaman | 330 | Township of Illinois |
| Coleta | 151 | Town |
