Census tract · San Luis Obispo County
Census Tract 100.17, San Luis Obispo County, California
Census Tract 100.17, GEOID 06079010017, in San Luis Obispo County, California, partly within Lake Nacimiento and Oak Shores. 4,174 residents in the ACS 2020-2024 5-year estimates (±518); the 2020 Census counted 3,618.
Residents, 2020-2024
4,174
±518 (90% margin)
2020 Census count: 3,618
Median household income
$96,354
±$20,555 (90% margin)
San Luis Obispo County: $97,446
Median home value
$529,000
±$67,848 (90% margin)
San Luis Obispo County: $824,700
Median gross rent
$1,707
±$485 (90% margin)
San Luis Obispo County: $1,992
Where is Census Tract 100.17?
Census Tract 100.17 is one of 70 census tracts in San Luis Obispo County, California. It covers 200.23 square miles of land, 18 residents per square mile in 2020. Its GEOID, 06079010017, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Lake Nacimiento | 19% |
| Oak Shores | 8% |
3 census tracts border Census Tract 100.17: Tract 114 in Monterey County ($101,750), Tract 100.16 ($105,933) and Tract 130 ($82,423). 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 100.17?
The 2020-2024 American Community Survey puts Census Tract 100.17's population at 4,174 (±518) in 1,523 households; the 2020 Census counted 3,618 residents and 3,108 housing units.
| Measure | Tract 100.17 | San Luis Obispo County |
|---|---|---|
| Total population | 4,174 ±518 | 281,555 |
| Households | 1,523 ±188 | 109,503 |
| Average household size | 2.55 ±0.19 | 2.43 |
| Housing units | 3,250 ±281 | 125,669 |
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 100.17?
The median resident of Census Tract 100.17 is 38.3 years old; 21.1% are under 18 and 20.0% are 65 or older. The largest group is non-Hispanic white residents at 77.2%, then Hispanic or Latino residents (of any race) at 17.4%. 4.9% of residents were born outside the United States.
| Measure | Tract 100.17 | San Luis Obispo County |
|---|---|---|
| Median age | 38.3 ±3.2 | 40.4 |
| Under 18 years | 21.1% ±3.4 pts | 17.5% |
| 65 years and over | 20.0% ±3.8 pts | 22.1% |
| Hispanic or Latino (any race) | 17.4% ±5.5 pts | 25.0% |
| White alone, not Hispanic | 77.2% ±6.1 pts | 64.5% |
| Black or African American alone, not Hispanic | 1.4% ±1.5 pts | 1.1% |
| Asian alone, not Hispanic | 1.3% ±1.1 pts | 3.4% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±1.0 pts | 0.1% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±1.0 pts | 0.1% |
| Two or more races, not Hispanic | 1.9% ±1.7 pts | 5.1% |
| Some other race alone, not Hispanic | 0.8% ±1.4 pts | 0.7% |
| Born outside the United States | 4.9% ±2.1 pts | 9.9% |
| Speak a language other than English at home (age 5+) | 6.5% ±3.8 pts | 17.5% |
| Civilian veterans (age 18+) | 6.8% ±2.9 pts | 6.3% |
| With a disability | 10.2% ±2.7 pts | 13.3% |
| No health insurance coverage | 6.9% ±4.2 pts | 5.7% |
| High school graduate or higher (age 25+) | 95.4% ±2.6 pts | 92.2% |
| Bachelor's degree or higher (age 25+) | 24.7% ±4.3 pts | 39.8% |
| Graduate or professional degree (age 25+) | 8.1% ±3.7 pts | 15.6% |
| Lived in the same house a year earlier | 93.4% ±3.3 pts | 82.8% |
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 100.17 earn?
Half of the 1,523 households in Census Tract 100.17 earn less than $96,354 a year (±$20,555), against $97,446 across San Luis Obispo County: 35th highest of the county's 67 tracts with a reliable estimate. 5.0% of residents live below the poverty line.
| Measure | Tract 100.17 | San Luis Obispo County |
|---|---|---|
| Median household income | $96,354 ±$20,555 | $97,446 |
| Mean household income | $122,085 ±$16,935 | $131,990 |
| Per capita income | $46,428 ±$5,648 | $51,592 |
| People below the poverty line | 5.0% ±2.6 pts | 12.9% |
| Children under 18 below the poverty line | 3.0% ±4.0 pts | 12.6% |
| Households receiving SNAP | 4.1% ±3.3 pts | 8.2% |
| Households with a computer | 97.6% ±1.9 pts | 97.0% |
| Households with a broadband subscription | 97.0% ±2.2 pts | 93.1% |
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 100.17?
Owners occupy 83.4% of Census Tract 100.17's occupied homes and renters 16.6%. The median owner-occupied home is valued at $529,000 by its owner (±$67,848). The median renter pays $1,707 a month including utilities.
| Measure | Tract 100.17 | San Luis Obispo County |
|---|---|---|
| Median home value (owner-occupied) | $529,000 ±$67,848 | $824,700 |
| Median gross rent | $1,707 ±$485 | $1,992 |
| Renters paying 35% or more of income on rent | 35.4% ±24.7 pts | 48.3% |
| Median monthly owner costs, with a mortgage | $2,787 ±$307 | $2,887 |
| Owner-occupied homes | 83.4% ±7.7 pts | 62.1% |
| Renter-occupied homes | 16.6% ±7.7 pts | 37.9% |
| Housing units | 3,250 ±281 | 125,669 |
| Single-family detached homes | 74.2% ±5.7 pts | 67.8% |
| Mobile homes | 22.7% ±5.9 pts | 7.7% |
| Built 2020 or later | 0.0% ±1.3 pts | 1.3% |
| Built 2010 to 2019 | 11.5% ±5.1 pts | 7.4% |
| Built 1939 or earlier | 2.5% ±2.6 pts | 5.1% |
| Households with no vehicle | 0.0% ±2.7 pts | 3.8% |
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 100.17 get to work?
63.3% of Census Tract 100.17's workers drive alone and 15.6% work from home. The average trip to work takes 39.8 minutes.
| Measure | Tract 100.17 | San Luis Obispo County |
|---|---|---|
| In the labor force (age 16+) | 67.0% ±4.9 pts | 58.2% |
| Unemployment rate | 3.9% ±4.6 pts | 5.5% |
| Drove alone to work | 63.3% ±6.2 pts | 70.5% |
| Carpooled | 6.1% ±4.1 pts | 7.7% |
| Public transportation | 1.2% ±1.4 pts | 0.6% |
| Walked | 12.7% ±7.1 pts | 3.8% |
| Worked from home | 15.6% ±7.1 pts | 15.2% |
| Mean travel time to work | 39.8 min ±6.6 | 22.3 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 100.17 compare with the other tracts in San Luis Obispo County?
Among San Luis Obispo County's tracts with a reliable estimate, Census Tract 100.17 ranks as shown below (1 = highest).
| Measure | In San Luis Obispo County |
|---|---|
| Population | 29th of 69 |
| Residents per square mile | 64th of 69 |
| Median household income | 35th of 67 |
| Per capita income | 41st of 68 |
| Median home value | 64th of 66 |
| Median gross rent | 52nd of 62 |
| Poverty rate | 41st of 47 |
| Bachelor's degree or higher | 55th of 66 |
| Median age | 46th of 69 |
| Owner-occupied share | 6th of 66 |
The tracts next to it on San Luis Obispo County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 127.05 | 32nd | $98,549±$16,303 · within the margin of this tract |
| Tract 102.04 | 33rd | $97,054±$23,403 · within the margin of this tract |
| Tract 103.01 | 34th | $96,588±$34,937 · within the margin of this tract |
| Tract 100.17 | 35th | $96,354±$20,555 |
| Tract 105.05 | 36th | $96,020±$3,366 · within the margin of this tract |
| Tract 102.02 | 37th | $95,810±$21,432 · within the margin of this tract |
| Tract 120.01 | 38th | $94,643±$39,804 · within the margin of this tract |
"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 100.17?
2 of the 18 figures for Census Tract 100.17 on this page carry a coefficient of variation over 40% and are 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