Census tract · Pima County
Census Tract 46.18, Pima County, Arizona
Census Tract 46.18, GEOID 04019004618, in Pima County, Arizona, mostly within Casas Adobes (69% of its census blocks). 3,233 residents in the ACS 2020-2024 5-year estimates (±378); the 2020 Census counted 3,404.
Residents, 2020-2024
3,233
±378 (90% margin)
2020 Census count: 3,404
Median household income
$73,588
±$5,576 (90% margin)
Pima County: $70,315
Median home value
$311,000
±$24,724 (90% margin)
Pima County: $319,700
Median gross rent
$1,643
±$184 (90% margin)
Pima County: $1,212
Where is Census Tract 46.18?
Census Tract 46.18 is one of 270 census tracts in Pima County, Arizona. It covers 1.34 square miles of land, 2,544 residents per square mile in 2020. Its GEOID, 04019004618, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Casas Adobes | 69% |
| Flowing Wells | 23% |
| Tucson | 8% |
5 census tracts border Census Tract 46.18: Tract 45.08 ($38,541), Tract 46.16 ($90,837), Tract 46.17 ($63,344), Tract 47.10 ($59,080) and Tract 47.25 ($83,333). 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 46.18?
The 2020-2024 American Community Survey puts Census Tract 46.18's population at 3,233 (±378) in 1,509 households; the 2020 Census counted 3,404 residents and 1,702 housing units.
| Measure | Tract 46.18 | Casas Adobes |
|---|---|---|
| Total population | 3,233±378 | 72,059 |
| Households | 1,509±123 | 31,201 |
| Average household size | 2.06±0.22 | 2.26 |
| Housing units | 1,632±111 | 33,143 |
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 46.18?
The median resident of Census Tract 46.18 is 45.1 years old; 17.0% are under 18 and 29.5% are 65 or older. The largest group is non-Hispanic white residents at 64.0%, then Hispanic or Latino residents (of any race) at 23.4%. 8.8% of residents were born outside the United States.
| Measure | Tract 46.18 | Casas Adobes |
|---|---|---|
| Median age | 45.1±8.1 | 43.0 |
| Under 18 years | 17.0%±5.2 pts | 18.0% |
| 65 years and over | 29.5%±5.4 pts | 24.5% |
| Hispanic or Latino (any race) | 23.4%±4.3 pts | 24.2% |
| White alone, not Hispanic | 64.0%±6.1 pts | 63.9% |
| Black or African American alone, not Hispanic | 1.5%±1.4 pts | 1.5% |
| Asian alone, not Hispanic | 8.4%±4.8 pts | 4.2% |
| American Indian and Alaska Native alone, not Hispanic | 1.0%±1.6 pts | 0.6% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±1.4 pts | 0.0% |
| Two or more races, not Hispanic | 1.8%±1.3 pts | 5.4% |
| Some other race alone, not Hispanic | 0.0%±1.4 pts | 0.2% |
| Born outside the United States | 8.8%±3.8 pts | 9.1% |
| Speak a language other than English at home (age 5+) | 15.1%±4.3 pts | 14.9% |
| Civilian veterans (age 18+) | 9.8%±2.9 pts | 9.2% |
| With a disability | 24.1%±8.8 pts | 15.4% |
| No health insurance coverage | 4.3%±3.0 pts | 6.0% |
| High school graduate or higher (age 25+) | 93.5%±4.1 pts | 94.4% |
| Bachelor's degree or higher (age 25+) | 41.8%±7.4 pts | 42.5% |
| Graduate or professional degree (age 25+) | 17.0%±5.6 pts | 18.9% |
| Lived in the same house a year earlier | 90.1%±4.9 pts | 83.0% |
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 46.18 earn?
Half of the 1,509 households in Census Tract 46.18 earn less than $73,588 a year (±$5,576), against $70,315 across Pima County: 117th highest of the county's 264 tracts with a reliable estimate. 11.5% of residents live below the poverty line.
| Measure | Tract 46.18 | Casas Adobes |
|---|---|---|
| Median household income | $73,588±$5,576 | $83,683 |
| Mean household income | $90,146±$10,468 | $106,263 |
| Per capita income | $43,011±$4,935 | $47,276 |
| People below the poverty line | 11.5%±5.5 pts | 6.6% |
| Children under 18 below the poverty line | 5.6%±7.0 pts | 6.0% |
| Households receiving SNAP | 0.7%±1.2 pts | 4.9% |
| Households with a computer | 95.3%±3.4 pts | 96.9% |
| Households with a broadband subscription | 92.4%±4.3 pts | 94.6% |
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 46.18?
Owners occupy 66.9% of Census Tract 46.18's occupied homes and renters 33.1%. The median owner-occupied home is valued at $311,000 by its owner (±$24,724). The median renter pays $1,643 a month including utilities.
| Measure | Tract 46.18 | Casas Adobes |
|---|---|---|
| Median home value (owner-occupied) | $311,000±$24,724 | $343,400 |
| Median gross rent | $1,643±$184 | $1,650 |
| Renters paying 35% or more of income on rent | 23.3%±15.5 pts | 41.5% |
| Median monthly owner costs, with a mortgage | $1,241±$155 | $1,697 |
| Owner-occupied homes | 66.9%±7.1 pts | 67.5% |
| Renter-occupied homes | 33.1%±7.1 pts | 32.5% |
| Housing units | 1,632±111 | 33,143 |
| Single-family detached homes | 55.5%±7.2 pts | 65.5% |
| Mobile homes | 0.0%±2.7 pts | 3.4% |
| Built 2020 or later | 0.0%±2.7 pts | 1.0% |
| Built 2010 to 2019 | 6.3%±4.3 pts | 6.0% |
| Built 1939 or earlier | 1.4%±2.3 pts | 0.3% |
| Households with no vehicle | 7.4%±3.9 pts | 5.1% |
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 46.18 get to work?
75.7% of Census Tract 46.18's workers drive alone and 12.6% work from home. The average trip to work takes 20.7 minutes.
| Measure | Tract 46.18 | Casas Adobes |
|---|---|---|
| In the labor force (age 16+) | 53.2%±5.7 pts | 60.3% |
| Unemployment rate | 2.6%±3.0 pts | 4.3% |
| Drove alone to work | 75.7%±7.5 pts | 72.2% |
| Carpooled | 5.9%±3.3 pts | 8.7% |
| Public transportation | 1.8%±2.4 pts | 0.7% |
| Walked | 1.4%±1.7 pts | 0.9% |
| Worked from home | 12.6%±5.9 pts | 16.0% |
| Mean travel time to work | 20.7 min±2.9 | 25.6 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 46.18 compare with the other tracts in Pima County?
Among Pima County's tracts with a reliable estimate, Census Tract 46.18 ranks as shown below (1 = highest).
| Measure | In Pima County | In Casas Adobes |
|---|---|---|
| Population | 172nd of 267 | 9th of 18 |
| Residents per square mile | 141st of 270 | 10th of 18 |
| Median household income | 117th of 264 | 16th of 18 |
| Per capita income | 98th of 266 | 12th of 18 |
| Median home value | 127th of 257 | 12th of 18 |
| Median gross rent | 67th of 245 | 9th of 17 |
| Poverty rate | 119th of 179 | 2nd of 12 |
| Bachelor's degree or higher | 111th of 263 | 13th of 18 |
| Median age | 89th of 267 | 6th of 18 |
| Owner-occupied share | 140th of 261 | 10th of 18 |
The tracts next to it on Pima County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 46.27 | 114th | $74,511±$25,845 · within the margin of this tract |
| Tract 46.21 | 115th | $74,108±$6,632 · within the margin of this tract |
| Tract 44.35 | 116th | $74,079±$2,807 · within the margin of this tract |
| Tract 46.18 | 117th | $73,588±$5,576 |
| Tract 43.11 | 118th | $73,191±$16,215 · within the margin of this tract |
| Tract 44.24 | 119th | $72,917±$28,107 · within the margin of this tract |
| Tract 19 | 120th | $72,645±$21,209 · 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 46.18?
1 of the 18 figures for Census Tract 46.18 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