Census tract · Ventura County

Census Tract 81.01, Ventura County, California

Census Tract 81.01, GEOID 06111008101, in Ventura County, California, entirely within Simi Valley. 3,186 residents in the ACS 2020-2024 5-year estimates (±336); the 2020 Census counted 3,379.

Residents, 2020-2024

3,186

±336 (90% margin)
2020 Census count: 3,379

Median household income

$108,750

±$12,544 (90% margin)
Ventura County: $109,797

Median home value

$773,700

±$50,322 (90% margin)
Ventura County: $822,700

Median gross rent

$3,500 or more

The survey's top or bottom value; no margin is published
Ventura County: $2,317

Where is Census Tract 81.01?

Census Tract 81.01 is one of 190 census tracts in Ventura County, California. It covers 0.54 square miles of land, 6,257 residents per square mile in 2020. Its GEOID, 06111008101, names it uniquely (how tract numbers and GEOIDs work).

Places Census Tract 81.01 lies in (share of its 2020 census blocks)
PlaceShare of the tract
Simi Valley100%
Census Tract 81.01 (marked with a dot) in Ventura County, California. Boundaries: Census Bureau 2024.
79.0480.0282.0285.01 81.01 0.5 mi
Census Tract 81.01 (shaded) and the tracts that border it, numbered. Boundaries: Census Bureau 2024 cartographic boundary file, 1:500,000.

4 census tracts border Census Tract 81.01: Tract 79.04 ($124,052), Tract 80.02 ($99,663), Tract 82.02 ($103,170) and Tract 85.01 ($141,983). The figure in brackets is each tract's median household income.

Whether a tract counts as low- or moderate-income for bank lending (the Community Reinvestment Act) is set by the FFIEC against its metro area's family income: look it up in the FFIEC census geocoder.

Source: 2024 Gazetteer and 2020 block assignment files, U.S. Census Bureau · Census reference files

How many people live in Census Tract 81.01?

The 2020-2024 American Community Survey puts Census Tract 81.01's population at 3,186 (±336) in 1,119 households; the 2020 Census counted 3,379 residents and 1,109 housing units.

Counts, ACS 2020-2024 5-year estimates
MeasureTract 81.01Simi ValleyVentura CountyCalifornia
Total population3,186±336125,634837,46939,287,377
Households1,119±10644,457280,36013,548,091
Average household size2.82±0.232.802.942.84
Housing units1,146±11445,290295,87814,644,735

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 Census P.L. 94-171 · Check it at data.census.gov

Who lives in Census Tract 81.01?

The median resident of Census Tract 81.01 is 44.0 years old; 19.1% are under 18 and 20.4% are 65 or older. The largest group is non-Hispanic white residents at 49.7%, then Hispanic or Latino residents (of any race) at 32.6%. 13.3% of residents were born outside the United States.

Age, origin, education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureTract 81.01Simi ValleyVentura CountyCalifornia
Median age44.0±3.741.939.637.9
Under 18 years19.1%±3.2 pts19.5%21.8%22.0%
65 years and over20.4%±5.0 pts17.2%17.4%15.7%
Hispanic or Latino (any race)32.6%±6.5 pts29.0%44.3%40.2%
White alone, not Hispanic49.7%±8.0 pts53.3%41.9%33.8%
Black or African American alone, not Hispanic0.3%±0.5 pts1.2%1.7%5.2%
Asian alone, not Hispanic8.9%±4.2 pts10.3%7.1%15.3%
American Indian and Alaska Native alone, not Hispanic1.2%±1.6 pts0.1%0.1%0.3%
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±1.3 pts0.2%0.2%0.3%
Two or more races, not Hispanic7.2%±5.1 pts5.2%4.1%4.4%
Some other race alone, not Hispanic0.1%±0.2 pts0.7%0.6%0.6%
Born outside the United States13.3%±4.7 pts18.5%22.2%27.0%
Speak a language other than English at home (age 5+)15.9%±6.2 pts26.7%38.4%44.4%
Civilian veterans (age 18+)4.2%±2.3 pts4.2%5.1%4.3%
With a disability14.8%±4.2 pts11.7%11.7%11.6%
No health insurance coverage5.1%±2.3 pts4.6%7.3%6.6%
High school graduate or higher (age 25+)94.2%±3.9 pts90.8%85.1%84.7%
Bachelor's degree or higher (age 25+)33.4%±6.9 pts39.1%36.1%37.1%
Graduate or professional degree (age 25+)13.1%±5.7 pts13.4%13.8%14.4%
Lived in the same house a year earlier97.9%±1.6 pts91.7%91.5%89.2%

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 Census Tract 81.01 earn?

Half of the 1,119 households in Census Tract 81.01 earn less than $108,750 a year (±$12,544), against $109,797 across Ventura County: 95th highest of the county's 188 tracts with a reliable estimate. 8.0% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasureTract 81.01Simi ValleyVentura CountyCalifornia
Median household income$108,750±$12,544$122,081$109,797$99,122
Mean household income$133,219±$19,887$153,354$144,867$140,436
Per capita income$48,019±$6,765$55,252$49,748$49,513
People below the poverty line8.0%±5.0 pts6.4%9.3%12.0%
Children under 18 below the poverty line6.4%±7.0 pts6.1%12.7%15.0%
Households receiving SNAP3.1%±3.1 pts5.8%8.5%12.4%
Households with a computer99.5%±0.9 pts97.4%96.9%96.9%
Households with a broadband subscription95.3%±3.8 pts94.9%94.2%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 Census Tract 81.01?

Owners occupy 75.5% of Census Tract 81.01's occupied homes and renters 24.5%. The median owner-occupied home is valued at $773,700 by its owner (±$50,322). The median renter pays $3,500 or more a month including utilities.

Housing, ACS 2020-2024 5-year estimates
MeasureTract 81.01Simi ValleyVentura CountyCalifornia
Median home value (owner-occupied)$773,700±$50,322$823,800$822,700$734,700
Median gross rent$3,500 or more$2,579$2,317$2,036
Renters paying 35% or more of income on rent36.6%±28.3 pts51.2%48.6%46.0%
Median monthly owner costs, with a mortgage$2,797±$422$3,195$3,105$2,946
Owner-occupied homes75.5%±8.3 pts72.9%64.6%55.9%
Renter-occupied homes24.5%±8.3 pts27.1%35.4%44.1%
Housing units1,146±11445,290295,87814,644,735
Single-family detached homes87.8%±4.9 pts71.3%62.7%57.0%
Mobile homes0.0%±3.6 pts1.6%4.1%3.5%
Built 2020 or later4.2%±4.4 pts0.9%1.0%1.3%
Built 2010 to 20190.0%±3.6 pts4.0%5.2%6.5%
Built 1939 or earlier0.0%±3.6 pts0.8%3.4%8.9%
Households with no vehicle0.0%±3.7 pts2.8%4.1%7.1%

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 do people in Census Tract 81.01 get to work?

81.1% of Census Tract 81.01's workers drive alone and 12.4% work from home. The average trip to work takes 26.8 minutes. The unemployment rate in 2020-2024 averaged 6.0%.

Work and commuting, ACS 2020-2024 5-year estimates
MeasureTract 81.01Simi ValleyVentura CountyCalifornia
In the labor force (age 16+)59.4%±6.2 pts66.8%64.3%63.8%
Unemployment rate6.0%±3.9 pts5.0%5.7%6.6%
Drove alone to work81.1%±6.4 pts70.2%70.4%65.7%
Carpooled2.8%±2.5 pts8.2%10.1%9.5%
Public transportation0.0%±2.8 pts0.4%0.6%2.9%
Walked0.9%±1.5 pts0.8%1.6%2.4%
Worked from home12.4%±5.7 pts19.1%15.8%17.2%
Mean travel time to work26.8 min±3.627.1 min25.6 min28.7 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

How does Census Tract 81.01 compare with the other tracts in Ventura County?

Among Ventura County's tracts with a reliable estimate, Census Tract 81.01 ranks as shown below (1 = highest).

Census Tract 81.01's rank among the tracts of Ventura County and of Simi Valley
MeasureIn Ventura CountyIn Simi Valley
Population144th of 18925th of 27
Residents per square mile72nd of 18912th of 27
Median household income95th of 18817th of 27
Per capita income89th of 18917th of 27
Median home value98th of 18616th of 27
Median gross rent1st of 1751st of 24
Poverty rate77th of 1257th of 18
Bachelor's degree or higher100th of 18717th of 27
Median age58th of 18911th of 27
Owner-occupied share64th of 18615th of 27

The tracts next to it on Ventura County's income ladder

Median household income, ACS 2020-2024 5-year estimates
TractRankMedian household incomeResidents
Tract 76.1192nd$110,446±$14,207 · within the margin of this tract4,715
Tract 59.0793rd$109,395±$13,596 · within the margin of this tract3,020
Tract 55.0494th$108,932±$23,963 · within the margin of this tract4,222
Tract 13.0395th$108,750±$13,081 · within the margin of this tract4,873
Tract 81.0195th$108,750±$12,5443,186
Tract 31.0197th$108,308±$22,141 · within the margin of this tract4,674
Tract 39.0298th$108,008±$29,054 · within the margin of this tract4,156

"Within the margin": the two incomes differ by less than their combined 90% margins, so the survey cannot say which is higher and the ranks between them are not firm.

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

How reliable are the figures for Census Tract 81.01?

1 of the 18 figures for Census Tract 81.01 on this page carries a coefficient of variation over 40% and is marked with a ring: they come from a small sample, so read them as rough.

A census tract's figures rest on a few hundred sampled households over five years, so its margins are wider than a city's. Two tracts differ only when the gap between them is larger than their combined 90% margin (the square root of the sum of the two squared margins). How to read a margin of error.

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

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