Local servicesHospitalMadigan Army Medical Center11.9 miPost officeMcKenna Post Officeunder a mileTown hallYelm City Hall2.2 miPoliceYelm Police Department2.2 miFire stationSouth Pierce Fire and Rescue Station 174under a mileSource: USGS National Structures Dataset
Daylight through the yearLongest day (Jun 21): 15 h 53 min5:15 am – 9:08 pmShortest day (Dec 21): 8 h 31 min7:52 am – 4:24 pm
Sun todaySunrise –Sunset –
People61 residentsin the ZIP code areaMedian age 89.70 householdsSource: US Census Bureau, American Community Survey 2019-2023
ClimateWarmest month August: highs 78°F, lows 51°FColdest month December: highs 45°F, lows 33°F51 in of rain a year, on about 105 dayswettest month November4 in of snow a year, on about 2 days6 days above 90°F, 77 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Olympia Ap station, 16 mi away
Parks and public landsLongmire Community Parkpark · 1.3 miNisqually River Interpretive Centerpark · 1.7 mi · 67 acresElbow Lakestate recreation area · 8.3 mi · 319 acresNisquallystate park · 11.2 mi · 1,219 acresBald Hill Natural Area Preservestate conservation land · 9.4 mi · 307 acresBilly Frank Jr. Nisqually National Wildlife Refugenational wildlife refuge · 13.0 mi · 5,534 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes209 of magnitude 3 or more within 50 miles since 197034 of magnitude 4+, 5 of magnitude 5+Largest: magnitude 6.8 on 28 Feb 200117 mi away, near Longbranch, WashingtonMost recent: magnitude 3.8 on 5 Sep 202648 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively HighPierce County, WA, compared with all US countiesHigher-risk hazardsAvalanche Very HighEarthquake Relatively HighVolcanic activity Relatively HighHeat wave Relatively HighSource: FEMA National Risk Index (county level)
Air quality73% of days had good air in 2025267 of 365 days measured98 moderate daysMedian index 44, worst day 100main pollutant: ozoneSource: US EPA Air Quality Index, Pierce County monitors, WA
Drinking waterMckenna Water Districtserves 600 people from ground waterNo health-based violations since 20213 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation298 ft91 m above sea levelSource: USGS 3D Elevation Program