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Hyampom, California

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Hyampom
census-designated place
Location of Hyampom in Trinity County, California.
Location of Hyampom in Trinity County, California.
Hyampom is located in California
Hyampom
Hyampom
Position in California.
Coordinates: 40°37′02″N 123°27′09″W / 40.61722°N 123.45250°W / 40.61722; -123.45250
Country United States
State California
CountyTrinity
Area
[1]
 • Total
20.273 sq mi (52.507 km2)
 • Land20.273 sq mi (52.507 km2)
 • Water0 sq mi (0 km2)  0%
Elevation
[2]
1,322 ft (403 m)
Population
 (2020)
 • Total
241
 • Density11.9/sq mi (4.59/km2)
Time zoneUTC-8 (Pacific (PST))
 • Summer (DST)UTC-7 (PDT)
ZIP Code
96046
Area code530
GNIS feature ID261667[2]

Hyampom (Wintu: Xaayin-pom) is an unincorporated community[2] and census-designated place[3] (CDP) in Trinity County, California, United States.

Hyampom is at an elevation of 1,322 feet (403 m) in the Trinity Mountains.[2] Its population was 241 as of the 2020 census, unchanged from the 2010 census.

History

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The name "Hyampom" is said to have derived from a Wintu language term xaayin-pom, meaning "slippery place."[4] Hyampom was home to the Whilkut, Chimariko, and Northern Wintun Native American tribes. The explorer Jedediah Strong Smith visited Hyampom in April 1828. The first non-native settler in the area was Hank Young, who moved to Hyampom on January 12, 1855.[5]

Geography

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According to the United States Census Bureau, the CDP covers an area of 20.3 square miles (53 km2), all land.

Climate

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This region experiences warm and dry summers, with no average monthly temperature above 71.6 °F. According to the Köppen climate classification system, Hyampom has a warm-summer Mediterranean climate, abbreviated "Csb" on climate maps.[6] Despite the warm-summer classification, daily highs reach above 90 degrees Fahrenheit on almost all days in summer, but the marine-influenced night temperatures are almost always below 60 degrees and most often around 50. There is snow in the winter, but the elevation is too low for significant snowfall. The nearest large town, Hayfork, which is 700 feet above Hyampom at 2,200 feet, gets approximately 20 to 25 inches of snow per year, and the nearest comparable weather station, at Big Flat on the Trinity River, gets 6.7 inches per year. Precipitation totals around 40 to 45 inches a year.

Hyampom
Climate chart (explanation)
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F
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J
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8.5
 
 
50
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6.7
 
 
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2.3
 
 
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2
 
 
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6.5
 
 
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█ Average max. and min. temperatures in °F
█ Precipitation totals in inches
Source: https://prism.oregonstate.edu/explorer/
Metric conversion
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215
 
 
10
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170
 
 
13
2
 
 
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58
 
 
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42
 
 
26
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7.1
 
 
31
9
 
 
4.3
 
 
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4.3
 
 
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15
 
 
32
9
 
 
52
 
 
24
5
 
 
164
 
 
14
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246
 
 
9
1
█ Average max. and min. temperatures in °C
█ Precipitation totals in mm

Demographics

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Historical population
CensusPop.Note%±
2010241—
20202410.0%
U.S. Decennial Census[7]
2010[8]

Hyampom first appeared as a census designated place in the 2010 U.S. census.[8]

The 2020 United States census reported that Hyampom had a population of 241. The population density was 11.9 inhabitants per square mile (4.6/km2). The racial makeup of Hyampom was 200 (83.0%) White, 2 (0.8%) African American, 2 (0.8%) Native American, 9 (3.7%) Asian, 0 (0.0%) Pacific Islander, 11 (4.6%) from other races, and 17 (7.1%) from two or more races. Hispanic or Latino of any race were 14 persons (5.8%).[9]

The whole population lived in households. There were 114 households, out of which 28 (24.6%) had children under the age of 18 living in them, 45 (39.5%) were married-couple households, 7 (6.1%) were cohabiting couple households, 15 (13.2%) had a female householder with no partner present, and 47 (41.2%) had a male householder with no partner present. 39 households (34.2%) were one person, and 11 (9.6%) were one person aged 65 or older. The average household size was 2.11.[9] There were 61 families (53.5% of all households).[10]

The age distribution was 25 people (10.4%) under the age of 18, 14 people (5.8%) aged 18 to 24, 85 people (35.3%) aged 25 to 44, 40 people (16.6%) aged 45 to 64, and 77 people (32.0%) who were 65 years of age or older. The median age was 42.6 years. There were 149 males and 92 females.[9]

There were 148 housing units at an average density of 7.3 units per square mile (2.8 units/km2), of which 114 (77.0%) were occupied. Of these, 84 (73.7%) were owner-occupied, and 30 (26.3%) were occupied by renters.[9]

Infrastructure

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There is no local school. Children attend classes in Hayfork.[11][12]

Hyampom Airport
Summary
Airport typePublic
OwnerTrinity County
ServesHyampom, California
Elevation AMSL1,250 ft (380 m)
Coordinates40°37′31″N 123°28′06″W / 40.62528°N 123.46833°W / 40.62528; -123.46833
Map
Interactive map of Hyampom Airport
Runways
Direction Length Surface
ft m
14/32 2,980 908 Asphalt
Statistics (2005)
Aircraft operations2,000
Source: Federal Aviation Administration[13]

Hyampom Airport (FAA LID: H47, formerly Q75) is a county-owned public-use airport and residential airpark 1 mile (1.6 km) northwest of Hyampom's central business district and bordering the South Fork Trinity River on its west side.[13]

Hyampom has condominiums on a 4-acre (16,000 m2) parcel on the airport, with designated tie-downs 200 feet (61 m) away through a private gate.[14]

The airport covers an area of 40 acres (16 ha) which contains one runway designated 14/32 with a 2,980 by 60 feet (908 m × 18 m) asphalt pavement. For the 2005 calendar year, the airport had 2,000 general aviation aircraft operations, an average of 5 per day.[13]

Politics

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In the state legislature, Hyampom is in the 2nd senatorial district, represented by Democrat Mike McGuire,[15] and the 2nd Assembly district, represented by Democrat Chris Rogers.[16]

Federally, Hyampom is in California's 2nd congressional district, represented by Democrat Jared Huffman.[17]

References

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  1. ↑ U.S. Census Archived 2012-01-25 at the Wayback Machine
  2. 1 2 3 4 "Hyampom". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved July 6, 2026.
  3. ↑ "Hyampom Census Designated Place". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved July 6, 2026.
  4. ↑ Bright, William (1998). 1500 California Place Names. Berkeley: University of California Press. ISBN 978-0-520-21271-8.
  5. ↑ Hall, Bill (1975). Trinity Pictorial, Vol.1. Weaverville: NCP Publications.
  6. ↑ Climate Summary for Hyampom, California
  7. ↑ "Census of Population and Housing". Census.gov. Retrieved June 4, 2016.
  8. 1 2 "2010 Census of Population - Population and Housing Unit Counts - California" (PDF). United States Census Bureau.
  9. 1 2 3 4 "Hyampom CDP, California; DP1: Profile of General Population and Housing Characteristics - 2020 Census of Population and Housing". US Census Bureau. Retrieved June 22, 2025.
  10. ↑ "Hyampom CDP, California; P16: Household Type - 2020 Census of Population and Housing". US Census Bureau. Retrieved June 22, 2025.
  11. ↑ Hyampom Elementary School - Hyampom, California - CA - School overview
  12. ↑ Redirect Notice
  13. 1 2 3 "FAA Airport Form 5010 for H47" (PDF). FAA. Retrieved December 20, 2007.
  14. ↑ Hyampom Airpark Condominiums
  15. ↑ "Senators". State of California. Retrieved March 10, 2013.
  16. ↑ "Members Assembly". State of California. Retrieved March 2, 2013.
  17. ↑ "California's 2nd Congressional District - Representatives & District Map". Civic Impulse, LLC. Retrieved March 1, 2013.
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