Posen, Illinois
25 topographic sheets cover this place, the earliest surveyed in 1892 and the latest in 1997. It stands in Bremen Township. It lies in ZIP code area 60469. It stands on Midlothian Creek. The Survey maps it on the Blue Island quadrangle. 5,632 people lived here at the 2020 count.
Population over time
2 figuresPosen fell from 5,987 to 5,632 between 2010 and 2020. These are the recorded population figures Wikidata holds for this place, reached through the Geographic Names Information System number this page is keyed on rather than by name, so they belong to this place and not to another of the same name. Most are census counts, but not all are: an early figure may be a founding or settlement estimate, and an estimate published within five years of a census is left out. The change column is computed, and is left blank where more than 20 years separate a figure from the one before it, because a gap that long is not a change between two counts.
| Year | People | Change |
|---|---|---|
| 2010 | 5,987 | |
| 2020 | 5,632 | -355 (-6%) |
Topographic sheets covering this place
12 surveys from 25 printed sheetsMatched by testing this settlement's coordinate against the published boundary of every sheet in the United States Geological Survey's historical collection. Each opens the scanned sheet at the Survey.
- 1892 USGS Calumet quadrangle1:62500
- 1893 USGS Calumet quadrangle1:62500
- 1900 USGS Calumet quadrangle1:62500
- 1901 USGS Calumet quadrangle1:62500, 5 printings
- 1929 USGS Blue Island quadrangle1:24000, 3 printings
- 1953 USGS Blue Island quadrangle1:24000
- 1953 USGS Chicago quadrangle1:250000, 5 printings
- 1957 USGS Chicago quadrangle1:250000
- 1963 USGS Blue Island quadrangle1:24000, 3 printings
- 1980 USGS Chicago quadrangle1:100000
- 1993 USGS Blue Island quadrangle1:24000, 2 printings
- 1997 USGS Blue Island quadrangle1:24000
Fires near this place
2 since 2005Regional context, not property-specific evidence. The federal wildfire occurrence database lists 2 fires within 5 miles of Posen in 2005, burning under an acre in total. None started naturally. None was recorded as arson. Distance is straight-line from the map coordinates, so a fire counted here may appear on a neighbouring settlement's page as well.
| Reported cause | Fires |
|---|---|
| Recreation and ceremony | 1 |
| Missing data/not specified/undetermined | 1 |
The most recent of them, most recent first, with the day each was reported and the service that recorded it.
| Date | Cause | Size | Reported by | Name on the report |
|---|---|---|---|---|
| 5 July 2005 | Recreation and ceremony | under an acre | Illinois State Fire Marshal's Office | not named |
| 18 May 2005 | Missing data/not specified/undetermined | under an acre | Illinois State Fire Marshal's Office | not named |
Settlements close enough to share some of these fires:
Mines and quarries near this place
3 within 5 milesRegional context, not property-specific evidence. The federal mineral resources record lists 3 workings within 5 miles of Posen: 2 past producers, 1 producer. 1 still produces. What was taken out: Clay, Stone, Crushed/Broken. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.
| Where | Site | Commodity | Status | Recorded |
|---|---|---|---|---|
| Markham City Dept. of Public Works | Stone, Crushed/Broken | Past Producer | ||
| Yard No. 22 Clay Pit | Clay | Past Producer | ||
| Yard R Clay Pit | Clay | Producer |
Storms near this place
3 since 2006Regional context, not property-specific evidence. The National Weather Service names Posen in 3 storm reports between 2006 and 2025: 2 thunderstorm wind, 1 hail. No death or injury is recorded in these reports. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.
| When | Event | Place named | Harm | What the report says |
|---|---|---|---|---|
| May 2006 | Hail | Posen | $1,000 | Golf ball size hail broke the front windshield of a police car. |
| May 2025 | Thunderstorm Wind | Posen | - | Large tree limbs were blown down. |
| June 2016 | Thunderstorm Wind | Posen | - | Tree down on home at 147th and Kedzie. Time estimated based on radar. |
Nearest settlements
The eight closest, with where each one stands in the county. Distances are straight-line, computed from the Geographic Names Information System coordinates.
| Map | Place | Distance | Sheets |
|---|---|---|---|
| Dixmoor | 1.1 miles | 25 | |
| West Harvey | 1.3 miles | 25 | |
| Robbins | 1.4 miles | 25 | |
| Blue Island | 1.8 miles | 25 | |
| Midlothian | 2.0 miles | 25 | |
| Harvey | 2.4 miles | 25 | |
| North Harvey | 2.4 miles | 25 | |
| Calumet Park | 2.4 miles | 25 |
Elsewhere
Matched on this settlement's Geographic Names Information System number rather than its name, so it cannot be a different place of the same name in another state.
| Wikipedia article on Posen | An encyclopaedic summary. Its text is share-alike, so it is linked here rather than copied. |
| Wikidata item Q2552416 | The structured record the population and elevation above come from. Public domain (CC0). |
Provenance
This settlement is recorded in the Geographic Names Information System as feature 416053. The sheet list is computed by point-in-boundary test against the United States Geological Survey's historical topographic inventory. Both are works of the United States government and carry no copyright under 17 U.S.C. 105.
Wildfire. Short, Karen C. 2022. Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014]. 6th Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2013-0009.6 Collected with United States Government funding and usable without additional permissions or fees.
Mines and quarries. USGS Mineral Resources Data System (MRDS) https://mrdata.usgs.gov/mrds/ A work of the United States government, no copyright under 17 U.S.C. 105.
Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.











