BlockBefore

Ukiah, California

15 topographic sheets cover this place, the earliest surveyed in 1920 and the latest in 1981. It stands in the Ukiah census division. It lies in ZIP code area 95482. It stands on Orrs Creek. The Survey maps it on the Ukiah quadrangle. 16,607 people lived here at the 2020 count. It stands 633 feet above sea level.

Ukiah within Mendocino County

Then and now

1920 to 1981

The same ground, surveyed 61 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

Topographic sheet of Ukiah, surveyed 1981
Topographic sheet of Ukiah, surveyed 1920

On record in Ukiah

Buildings and businesses the archive holds for this place. Each opens its own page, with the source record it came from.

On the National Register 5 records

Population over time

2 figures

Ukiah grew from 16,075 to 16,607 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.

YearPeople Change
201016,075
202016,607+532 (+3%)

Topographic sheets covering this place

7 surveys from 15 printed sheets

Matched 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.

Fires near this place

335 since 1992

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 335 fires within 5 miles of Ukiah between 1992 and 2020, burning about 4,327 acres in total. 9 started naturally. 54 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/undetermined129
Equipment and vehicle use59
Debris and open burning55
Arson/incendiarism54
Misuse of fire by a minor12
Natural9
Power generation/transmission/distribution6
Smoking5
Recreation and ceremony4
Firearms and explosives use1
Other causes1

The most recent of them, most recent first, with the day each was reported and the service that recorded it.

DateCause SizeReported by Name on the report
9 September 1995Arson/incendiarism3.0 acresMendocino UnitVICHY
8 September 2003Equipment and vehicle use3.0 acresMendocino UnitBURKE
8 September 2003Equipment and vehicle use1.0 acresMendocino UnitGUN
8 September 1993Smokingunder an acreMendocino UnitPARK
7 September 2016Missing data/not specified/undeterminedunder an acreCalifornia Department of Forestry & Fire Protectionnot named
7 September 1999Equipment and vehicle useunder an acreMendocino UnitORR SPRINGS
6 September 2020Power generation/transmission/distributionunder an acreMendocino UnitAHUV - STHH 2
6 September 1998Missing data/not specified/undetermined1.0 acresMendocino UnitLOW GAP

Settlements close enough to share some of these fires:

Every fire recorded in Mendocino County

Mines and quarries near this place

10 of 12 shown

Regional context, not property-specific evidence. The federal mineral resources record lists 12 workings within 5 miles of Ukiah: 5 occurrences, 4 producers, 3 unknowns. 4 still produce. What was taken out: Sand and Gravel, Construction, Gold, Chromium, 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 SiteCommodity StatusRecorded
CalpellaOsmium, Iridium, Platinum, GoldOccurrenceStream Placer
EmpressMercuryOccurrence
GibsonStone, DimensionUnknown
Krueger QuarryStone, Crushed/BrokenProducer
MooreChromiumOccurrenceChromite
MooreClayOccurrence
Vichy SpringsGeothermalUnknown
Van AllenGoldOccurrence
Van AllenGoldUnknown
Freitas Pit and MillSand and Gravel, ConstructionProducer

Every working recorded in Mendocino County

Storms near this place

3 since 2023

Regional context, not property-specific evidence. The National Weather Service names Ukiah in 3 storm reports between 2023 and 2025: 2 flood, 1 heavy rain. 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.

WhenEvent Place namedHarm What the report says
February 2025Heavy RainUkiah$400Large rocks have come to rest on the intersection of Orr springs road and North state street, 2 miles north of Ukiah. Lat. 39.18N, Long. -123.21W.
January 2024FloodUkiah-Road washing away near the intersection of Low Gap Road and Pine Ridge Road west of Ukiah.
January 2023FloodUkiah-Highways closed from Ukiah to Hopland due to flooding.

Every storm recorded in Mendocino County

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 PlaceDistance Sheets
Asylum1.2 miles15
Presswood1.3 miles15
Rogina Heights1.8 miles15
Talmage2.4 miles15
The Forks2.8 miles15
Vichy Springs2.9 miles15
El Roble4.4 miles17
Ukiah Rancheria4.9 miles17

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 UkiahAn encyclopaedic summary. Its text is share-alike, so it is linked here rather than copied.
Wikidata item Q837105The 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 277623. 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.