Census tract · San Diego County
Census Tract 170.21, San Diego County, California
Census Tract 170.21, GEOID 06073017021, in San Diego County, California, mostly within Poway (79% of its census blocks). 3,087 residents in the ACS 2020-2024 5-year estimates (±818); the 2020 Census counted 3,182.
Residents, 2020-2024
3,087
±818 (90% margin)
2020 Census count: 3,182
Median household income
$191,406
±$39,230 (90% margin)
San Diego County: $106,268
Median home value
$1,335,400
±$200,346 (90% margin)
San Diego County: $854,700
Median gross rent
not published
San Diego County: $2,246
Where is Census Tract 170.21?
Census Tract 170.21 is one of 737 census tracts in San Diego County, California. It covers 12.44 square miles of land, 256 residents per square mile in 2020. Its GEOID, 06073017021, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Poway | 79% |
5 census tracts border Census Tract 170.21: Tract 170.09 ($96,644), Tract 170.10 ($214,398), Tract 170.20 ($216,161), Tract 170.53 ($224,615) and Tract 208.01 ($148,688). 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 170.21?
The 2020-2024 American Community Survey puts Census Tract 170.21's population at 3,087 (±818) in 1,107 households; the 2020 Census counted 3,182 residents and 1,133 housing units.
| Measure | Tract 170.21 | Poway |
|---|---|---|
| Total population | 3,087±818 | 48,713 |
| Households | 1,107±182 | 16,423 |
| Average household size | 2.77±0.51 | 2.93 |
| Housing units | 1,152±182 | 16,936 |
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 170.21?
The median resident of Census Tract 170.21 is 56.9 years old; 17.5% are under 18 and 26.9% are 65 or older. The largest group is non-Hispanic white residents at 61.1%, then Hispanic or Latino residents (of any race) at 21.8%. 25.0% of residents were born outside the United States.
| Measure | Tract 170.21 | Poway |
|---|---|---|
| Median age | 56.9±5.8 | 41.2 |
| Under 18 years | 17.5%±2.5 pts | 23.5% |
| 65 years and over | 26.9%±5.8 pts | 19.0% |
| Hispanic or Latino (any race) | 21.8%±15.2 pts | 18.8% |
| White alone, not Hispanic | 61.1%±11.8 pts | 57.8% |
| Black or African American alone, not Hispanic | 2.0%±2.6 pts | 2.7% |
| Asian alone, not Hispanic | 8.8%±7.6 pts | 12.3% |
| American Indian and Alaska Native alone, not Hispanic | 0.3%±0.4 pts | 0.3% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±1.4 pts | 0.5% |
| Two or more races, not Hispanic | 5.1%±3.9 pts | 6.6% |
| Some other race alone, not Hispanic | 0.8%±1.3 pts | 0.9% |
| Born outside the United States | 25.0%±14.0 pts | 18.0% |
| Speak a language other than English at home (age 5+) | 24.8%±14.9 pts | 24.8% |
| Civilian veterans (age 18+) | 15.5%±6.0 pts | 8.2% |
| With a disability | 6.8%±4.6 pts | 9.3% |
| No health insurance coverage | 4.5%±4.0 pts | 3.3% |
| High school graduate or higher (age 25+) | 87.3%±11.6 pts | 94.1% |
| Bachelor's degree or higher (age 25+) | 59.7%±12.4 pts | 54.2% |
| Graduate or professional degree (age 25+) | 29.8%±5.6 pts | 23.2% |
| Lived in the same house a year earlier | 91.2%±4.2 pts | 91.6% |
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 170.21 earn?
Half of the 1,107 households in Census Tract 170.21 earn less than $191,406 a year (±$39,230), against $106,268 across San Diego County: 49th highest of the county's 725 tracts with a reliable estimate.
| Measure | Tract 170.21 | Poway |
|---|---|---|
| Median household income | $191,406±$39,230 | $148,359 |
| Mean household income | $262,674±$55,019 | $185,297 |
| Per capita income | $95,927±$12,227 | $63,948 |
| People below the poverty line | 8.1%±7.0 pts | 5.6% |
| Children under 18 below the poverty line | 0.0%±8.8 pts | 6.0% |
| Households receiving SNAP | 0.0%±3.8 pts | 5.8% |
| Households with a computer | 100.0%±3.8 pts | 98.7% |
| Households with a broadband subscription | 97.9%±2.3 pts | 95.6% |
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 170.21?
Owners occupy 93.0% of Census Tract 170.21's occupied homes and renters 7.0%. The median owner-occupied home is valued at $1,335,400 by its owner (±$200,346).
| Measure | Tract 170.21 | Poway |
|---|---|---|
| Median home value (owner-occupied) | $1,335,400±$200,346 | $1,034,800 |
| Renters paying 35% or more of income on rent | 28.8%±37.4 pts | 45.3% |
| Median monthly owner costs, with a mortgage | $4,000 or more | $3,446 |
| Owner-occupied homes | 93.0%±5.8 pts | 75.2% |
| Renter-occupied homes | 7.0%±5.8 pts | 24.8% |
| Housing units | 1,152±182 | 16,936 |
| Single-family detached homes | 96.4%±4.6 pts | 75.5% |
| Mobile homes | 0.7%±1.1 pts | 3.2% |
| Built 2020 or later | 0.0%±3.6 pts | 1.3% |
| Built 2010 to 2019 | 1.0%±1.6 pts | 2.1% |
| Built 1939 or earlier | 1.1%±1.9 pts | 0.8% |
| Households with no vehicle | 1.2%±1.9 pts | 2.7% |
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 170.21 get to work?
53.1% of Census Tract 170.21's workers drive alone and 34.4% work from home. The average trip to work takes 29.5 minutes.
| Measure | Tract 170.21 | Poway |
|---|---|---|
| In the labor force (age 16+) | 51.0%±8.8 pts | 63.9% |
| Unemployment rate | 2.4%±2.3 pts | 5.2% |
| Drove alone to work | 53.1%±10.3 pts | 64.8% |
| Carpooled | 7.7%±5.6 pts | 6.7% |
| Public transportation | 0.0%±3.3 pts | 0.5% |
| Walked | 4.9%±6.2 pts | 2.3% |
| Worked from home | 34.4%±11.3 pts | 23.9% |
| Mean travel time to work | 29.5 min±3.1 | 25.3 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 170.21 compare with the other tracts in San Diego County?
Among San Diego County's tracts with a reliable estimate, Census Tract 170.21 ranks as shown below (1 = highest).
| Measure | In San Diego County | In Poway |
|---|---|---|
| Population | 588th of 735 | 9th of 12 |
| Residents per square mile | 712th of 736 | 12th of 12 |
| Median household income | 49th of 725 | 4th of 12 |
| Per capita income | 45th of 734 | 1st of 12 |
| Median home value | 84th of 703 | 3rd of 12 |
| Bachelor's degree or higher | 196th of 732 | 3rd of 12 |
| Median age | 15th of 735 | 1st of 12 |
| Owner-occupied share | 26th of 708 | 3rd of 12 |
The tracts next to it on San Diego County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 83.44 | 46th | $193,359±$54,830 · within the margin of this tract |
| Tract 83.27 | 47th | $192,234±$37,048 · within the margin of this tract |
| Tract 83.73 | 48th | $192,031±$65,404 · within the margin of this tract |
| Tract 170.21 | 49th | $191,406±$39,230 |
| Tract 83.36 | 50th | $190,938±$27,437 · within the margin of this tract |
| Tract 221.01 | 51st | $190,469±$40,768 · within the margin of this tract |
| Tract 80.02 | 52nd | $189,479±$54,762 · 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 170.21?
4 of the 17 figures for Census Tract 170.21 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