County · California

Siskiyou County, California

Siskiyou County, California. Siskiyou County had 42,013 residents in 2025 by the Census Bureau's estimate, down 4.7% since 2020, a steeper fall than California's (−0.5%). It holds 21 places (9 cities, villages and boroughs and 12 census-designated) and 16 census tracts. GEOID 06093.

Residents, July 2025 estimate

42,013

Census Bureau estimate (no margin published)
2020 Census count: 44,076 · ACS 2020-2024: 43,466

Median household income

$59,095

±$3,737 (90% margin)
California: $99,122

Median home value

$309,500

±$11,190 (90% margin)
California: $734,700

Median gross rent

$1,091

±$73 (90% margin)
California: $2,036

How many people live in Siskiyou County, and is it growing?

The 2020 Census counted 44,076 residents in Siskiyou County. The Census Bureau estimates 42,013 for July 1, 2025, down 4.7% since 2020, a steeper fall than California's (−0.5%). The 2020-2024 American Community Survey puts the population at 43,466 over 6,279 square miles of land.

July 2020→2021 +75 (44,058)
2021→2022 −456 (43,602)
2022→2023 −746 (42,856)
2023→2024 −366 (42,490)
2024→2025 −477 (42,013)

Siskiyou County in California. Boundaries: Census Bureau 2024.

Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
Measure	Siskiyou County	California	Change since 2015-2019
Total population	43,466	39,287,377	−2
Households	19,079±344	13,548,091	no clear change
Average household size	2.23±0.04	2.84	no clear change
Housing units	23,088±51	14,644,735	−1,030

Siskiyou County's population since 2000

From 44,301 in 2000 to 42,013 in 2025: down 5.2%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

2000 Census 44,301
2005 (estimate) 44,641
2010 Census 44,900
2015 (estimate) 43,275
2020 Census 44,076
2025 (estimate) 42,013

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Siskiyou County?

Siskiyou County holds 21 places: 9 cities, villages and boroughs (incorporated places) and 12 census-designated places. The largest is Yreka with 7,714 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Siskiyou County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.

Yreka	city	7,807	7,820±66	$43,982	$263,200	17.0%	100%
Mount Shasta	city	3,223	3,182±27	$47,917	$330,200	17.5%	100%
Weed	city	2,862	2,737±21	$38,854	$259,600	33.6%	100%
Lake Shastina	CDP	2,401	3,001±426	$80,542	$358,400	12.2%	100%
Dunsmuir	city	1,707	1,407±255	$58,281	$279,000	11.4%	100%
Montague	city	1,226	1,479±290	$59,750	$183,700	26.5%	100%
McCloud	CDP	945	829±195	$48,529	$328,100	20.7%	100%
Happy Camp	CDP	905	539±140	$41,375	$166,400	16.1%	100%
Tulelake	city	902	925±220	$47,574	$170,200	23.6%	100%
Dorris	city	860	869±312	$41,563	$154,700	19.1%	100%
Fort Jones	city	695	562±182	$47,375	$228,700	30.1%	100%
Etna	city	678	642±183	$49,063	$221,200	18.0%	100%
GrenadaGEOID 0631246	CDP	314	254±133	$63,571	$163,500	15.0%	100%
Hornbrook	CDP	266	268±127	$32,222	not published	32.5%	100%
GreenviewGEOID 0631134	CDP	208	73±65	$70,365	$270,700	8.2%	100%
CarrickGEOID 0611481	CDP	143	10±14	not published	not published	0.0%	100%
Mount HebronGEOID 0649768	CDP	103	73±85	not published	not published	4.1%	100%
GazelleGEOID 0629252	CDP	95	87±52	$38,438	$280,600	3.4%	100%
MacdoelGEOID 0644812	CDP	86	184±157	not published	not published	15.2%	100%
EdgewoodGEOID 0621530	CDP	72	0±14	not published	not published	–	100%
TennantGEOID 0678176	CDP	63	71±46	not published	$66,300	0.0%	100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Siskiyou County?

The median resident of Siskiyou County is 47.2 years old; 20.0% are under 18 and 27.8% are 65 or older. The largest group is non-Hispanic white residents at 73.3%, then Hispanic or Latino residents (of any race) at 13.5%. 5.8% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure	Siskiyou County	California	Change since 2015-2019
Median age	47.2±0.5	37.9	−0.6
Under 18 years	20.0%±0.1 pts	22.0%	–
65 years and over	27.8%±0.1 pts	15.7%	–
Hispanic or Latino (any race)	13.5%	40.2%	+0.9 pts
White alone, not Hispanic	73.3%±0.4 pts	33.8%	−2.8 pts
Black or African American alone, not Hispanic	1.3%±0.3 pts	5.2%	no clear change
Asian alone, not Hispanic	1.8%±0.3 pts	15.3%	no clear change
American Indian and Alaska Native alone, not Hispanic	2.7%±0.4 pts	0.3%	–
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0.4%±0.1 pts	0.3%	–
Two or more races, not Hispanic	6.5%±0.7 pts	4.4%	–
Some other race alone, not Hispanic	0.4%±0.2 pts	0.6%	–
Born outside the United States	5.8%±0.7 pts	27.0%	no clear change
Speak a language other than English at home (age 5+)	9.7%±1.0 pts	44.4%	–
Civilian veterans (age 18+)	9.3%±1.0 pts	4.3%	–
With a disability	17.3%±1.2 pts	11.6%	–
No health insurance coverage	6.0%±0.9 pts	6.6%	no clear change
High school graduate or higher (age 25+)	91.7%±1.0 pts	84.7%	–
Bachelor's degree or higher (age 25+)	23.3%±1.6 pts	37.1%	no clear change
Graduate or professional degree (age 25+)	7.9%±0.9 pts	14.4%	–
Moved from another state in the past year	1.9%±0.4 pts	1.1%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Siskiyou County earn?

Half of Siskiyou County's 19,079 households earn less than $59,095 a year (±$3,737), against $99,122 in California. In 2015-2019 it was $55,678 in 2024 dollars; the margins of error cannot tell the two periods apart. 16.4% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
Measure	Siskiyou County	California	Change since 2015-2019
Median household income	$59,095±$3,737	$99,122	no clear change
Mean household income	$82,222±$4,216	$140,436	–
Per capita income	$36,529±$1,787	$49,513	no clear change
People below the poverty line	16.4%±1.8 pts	12.0%	−2.4 pts
Children under 18 below the poverty line	20.5%±5.0 pts	15.0%	no clear change
Households receiving SNAP	15.5%±1.7 pts	12.4%	–
Households with a broadband subscription	88.5%±1.3 pts	93.5%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Siskiyou County?

Owners occupy 69.2% of Siskiyou County's occupied homes and renters 30.8%. The median owner-occupied home is valued at $309,500 by its owner (±$11,190). The median renter pays $1,091 a month including utilities, and 49.5% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
Measure	Siskiyou County	California	Change since 2015-2019
Median home value (owner-occupied)	$309,500±$11,190	$734,700	+$64,715
Median gross rent	$1,091±$73	$2,036	no clear change
Renters paying 35% or more of income on rent	49.5%±5.4 pts	46.0%	no clear change
Median monthly owner costs, with a mortgage	$1,770±$83	$2,946	–
Owner-occupied homes	69.2%±2.2 pts	55.9%	+4.2 pts
Housing units	23,088±51	14,644,735	−1,030
Homeowner vacancy rate	2.0%±0.9 pts	0.8%	–
Rental vacancy rate	1.6%±0.9 pts	4.2%	–
Single-family detached homes	74.2%±1.7 pts	57.0%	–
Mobile homes	10.4%±1.2 pts	3.5%	–
Built 2020 or later	1.0%±0.4 pts	1.3%	–
Built 1939 or earlier	15.4%±1.6 pts	8.9%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Siskiyou County building?

Builders took permits for 41 new housing units across Siskiyou County in 2025 (41 single-family), 1.0 per 1,000 residents.

2019 50 units
2020 17 units
2021 97 units
2022 50 units
2023 54 units
2024 48 units
2025 41 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Siskiyou County get to work?

72.4% of Siskiyou County's workers drive alone and 11.8% work from home. The average trip to work takes 21.2 minutes. The unemployment rate in 2020-2024 averaged 7.9%.

Work and commuting, ACS 2020-2024 5-year estimates
Measure	Siskiyou County	California	Change since 2015-2019
In the labor force (age 16+)	50.9%±1.7 pts	63.8%	–
Unemployment rate	7.9%±1.4 pts	6.6%	no clear change
Drove alone to work	72.4%±2.8 pts	65.7%	–
Carpooled	10.6%±1.7 pts	9.5%	–
Public transportation	0.5%±0.7 pts	2.9%	–
Walked	3.6%±1.3 pts	2.4%	–
Worked from home	11.8%±2.2 pts	17.2%	no clear change
Mean travel time to work	21.2 min±1.2	28.7 min	+2.8 min

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Siskiyou County's census tracts?

Siskiyou County is divided into 16 census tracts. Among those with a reliable estimate, median household income runs from $33,839 (Tract 7.02) to $80,417 (Tract 10.01).

Census tracts of Siskiyou County, ACS 2020-2024 5-year estimates; sort by any column

Tract 106093000100	Tulelake (15%)	1,234	1,201±215	$48,375	$173,100	$837	23.5%
Tract 206093000200	Dorris (21%)	1,671	1,770±258	$47,429	$167,600	$753	18.6%
Tract 306093000300	Montague (11%)	3,966	4,274±378	$59,063	$234,500	$897	18.2%
Tract 606093000600	Fort Jones (10%)	1,759	1,617±206	$68,147	$308,200	$1,220	17.6%
Tract 7.0106093000701	Yreka (15%)	3,884	3,889±372	$78,088	$402,200	$990	12.2%
Tract 7.0206093000702	Yreka (83%)	4,525	3,862±386	$33,839	$194,000	$1,003	18.9%
Tract 7.0306093000703	Yreka (95%)	3,291	3,590±374	$62,133	$261,200	$970	16.8%
Tract 806093000800	Etna (7%)	3,370	3,189±329	$68,438	$312,900	$1,077	11.5%
Tract 9.0106093000901	Weed (42%)	4,135	3,756±327	$58,047	$303,600	$785	24.2%
Tract 9.0206093000902	Lake Shastina (27%)	3,339	3,651±428	$77,813	$357,400	$1,333	13.0%
Tract 10.0106093001001	–	1,299	1,311±262	$80,417	$421,600	$2,380	8.2%
Tract 10.0206093001002	Mount Shasta (6%)	1,698	1,548±236	$61,771	$462,300	$1,684	5.9%
Tract 10.0306093001003	Mount Shasta (57%)	3,914	4,549±483	$54,846	$378,600	$1,572	18.0%
Tract 1106093001100	Dunsmuir (46%)	2,183	1,887±256	$46,445	$288,800	$1,060	15.5%
Tract 1206093001200	McCloud (10%)	1,279	1,096±201	$49,926	$320,200	$968	19.3%
Tract 1306093001300	Happy Camp (8%)	2,529	2,276±213	$50,347	$238,500	$740	16.5%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Siskiyou County compare with California's other counties?

Siskiyou County's rank among California's counties with a reliable estimate (1 = highest)
Measure	Rank
Population	45th of 58
Growth 2020-2025	51st of 58
Residents per square mile	52nd of 58
Median household income	56th of 58
Median home value	56th of 58
Median gross rent	52nd of 56
Poverty rate	13th of 57
Bachelor's degree or higher	38th of 58
Median age	11th of 58

Every county in California

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Siskiyou County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.