Irwin, California
17 topographic sheets cover this place, the earliest surveyed in 1917 and the latest in 1983. It stands in the Hilmar-Irwin census division. It lies in ZIP code area 95324. The Survey maps it on the Turlock quadrangle. It stands 98 feet above sea level.
Then and now
1917 to 1983The same ground, surveyed 66 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.


Topographic sheets covering this place
10 surveys from 17 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.
- 1917 USGS Turlock quadrangle1:31680
- 1942 USGS Irwin quadrangle1:62500
- 1947 USGS San Jose quadrangle1:250000
- 1948 USGS Turlock quadrangle1:24000, 2 printings
- 1956 USGS San Jose quadrangle1:250000
- 1961 USGS Turlock quadrangle1:24000, 3 printings
- 1962 USGS San Jose quadrangle1:250000, 4 printings
- 1962 USGS Turlock quadrangle1:62500, 2 printings
- 1966 USGS San Jose quadrangle1:250000
- 1983 USGS Merced quadrangle1:100000
Fires near this place
706 since 1992Regional context, not property-specific evidence. The federal wildfire occurrence database lists 706 fires within 5 miles of Irwin between 1992 and 2020, burning about 1,026 acres in total. 1 started naturally. 42 were 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 |
|---|---|
| Missing data/not specified/undetermined | 424 |
| Debris and open burning | 99 |
| Equipment and vehicle use | 96 |
| Arson/incendiarism | 42 |
| Smoking | 22 |
| Misuse of fire by a minor | 14 |
| Power generation/transmission/distribution | 7 |
| Natural | 1 |
| Recreation and ceremony | 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 |
|---|---|---|---|---|
| 9 September 2017 | Missing data/not specified/undetermined | 1.0 acres | California Department of Forestry & Fire Protection | WEIR AV STEVENSON |
| 9 September 2016 | Missing data/not specified/undetermined | 1.0 acres | California Department of Forestry & Fire Protection | LANDER |
| 9 September 1995 | Missing data/not specified/undetermined | 4.0 acres | Merced-Mariposa Unit | FLOWER |
| 9 September 1993 | Missing data/not specified/undetermined | under an acre | Merced-Mariposa Unit | SILVEIRA |
| 8 September 2020 | Missing data/not specified/undetermined | 4.0 acres | Merced-Mariposa Unit | SANFORD DR HILMAR |
| 8 September 2014 | Missing data/not specified/undetermined | under an acre | Merced-Mariposa Unit | VINCENT RD / EL CAPITAN W |
| 8 September 2009 | Missing data/not specified/undetermined | under an acre | Merced-Mariposa Unit | HWY 99 S/ BRADBURY RD |
| 7 September 2000 | Debris and open burning | 2.0 acres | Merced-Mariposa Unit | JACKSON #1 |
Settlements close enough to share some of these fires:
Storms near this place
2 since 2023Regional context, not property-specific evidence. The National Weather Service names Irwin in 2 storm reports in 2023: 2 flood. 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 |
|---|---|---|---|---|
| April 2023 | Flood | Irwin | - | The Merced River at Stevinson exceeded it's flood stage of 71 feet due to controlled dam releases of excess snowmelt runoff. |
| March 2023 | Flood | Irwin | - | The Merced River at Stevinson exceeded it's flood stage of 71 feet due to controlled dam releases of excess snowmelt runoff. |
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.
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 Irwin | An encyclopaedic summary. Its text is share-alike, so it is linked here rather than copied. |
| Wikidata item Q6074967 | 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 1658840. 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.
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.









