Census tract · Lane County
Census Tract 31.04, Lane County, Oregon
Census Tract 31.04, GEOID 41039003104, in Lane County, Oregon, mostly within Eugene (79% of its census blocks). 5,788 residents in the ACS 2020-2024 5-year estimates (±710); the 2020 Census counted 5,214.
Residents, 2020-2024
5,788
±710 (90% margin)
2020 Census count: 5,214
Median household income
$48,611
±$10,618 (90% margin)
Lane County: $71,544
Median home value
$492,000
±$127,670 (90% margin)
Lane County: $430,600
Median gross rent
$1,433
±$169 (90% margin)
Lane County: $1,355
Where is Census Tract 31.04?
Census Tract 31.04 is one of 93 census tracts in Lane County, Oregon. It covers 1.53 square miles of land, 3,412 residents per square mile in 2020. Its GEOID, 41039003104, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Eugene | 79% |
5 census tracts border Census Tract 31.04: Tract 30 ($81,909), Tract 31.03 ($101,636), Tract 32.01 ($52,095), Tract 32.02 ($77,500) and Tract 37. 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 31.04?
The 2020-2024 American Community Survey puts Census Tract 31.04's population at 5,788 (±710) in 2,940 households; the 2020 Census counted 5,214 residents and 2,579 housing units.
| Measure | Tract 31.04 | Eugene |
|---|---|---|
| Total population | 5,788 ±710 | 179,591 |
| Households | 2,940 ±354 | 76,822 |
| Average household size | 1.91 ±0.22 | 2.23 |
| Housing units | 3,029 ±352 | 80,856 |
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 31.04?
The median resident of Census Tract 31.04 is 26.5 years old. The largest group is non-Hispanic white residents at 57.5%, then Hispanic or Latino residents (of any race) at 20.4%. 15.0% of residents were born outside the United States.
| Measure | Tract 31.04 | Eugene |
|---|---|---|
| Median age | 26.5 ±3.1 | 35.2 |
| Under 18 years | 5.7% ±4.1 pts | 15.8% |
| 65 years and over | 13.1% ±6.2 pts | 17.8% |
| Hispanic or Latino (any race) | 20.4% ±9.9 pts | 11.7% |
| White alone, not Hispanic | 57.5% ±8.4 pts | 74.2% |
| Black or African American alone, not Hispanic | 3.4% ±2.2 pts | 1.6% |
| Asian alone, not Hispanic | 10.3% ±5.9 pts | 4.0% |
| American Indian and Alaska Native alone, not Hispanic | 1.1% ±1.2 pts | 0.6% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.7 pts | 0.2% |
| Two or more races, not Hispanic | 6.6% ±3.1 pts | 7.2% |
| Some other race alone, not Hispanic | 0.7% ±0.8 pts | 0.5% |
| Born outside the United States | 15.0% ±8.7 pts | 7.0% |
| Speak a language other than English at home (age 5+) | 21.5% ±10.4 pts | 11.3% |
| Civilian veterans (age 18+) | 5.6% ±2.6 pts | 5.7% |
| With a disability | 11.5% ±4.4 pts | 15.4% |
| No health insurance coverage | 5.9% ±3.7 pts | 5.2% |
| High school graduate or higher (age 25+) | 91.0% ±8.4 pts | 94.6% |
| Bachelor's degree or higher (age 25+) | 39.8% ±8.1 pts | 45.1% |
| Graduate or professional degree (age 25+) | 22.3% ±7.2 pts | 20.5% |
| Lived in the same house a year earlier | 59.2% ±11.2 pts | 76.1% |
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 Census Tract 31.04 earn?
Half of the 2,940 households in Census Tract 31.04 earn less than $48,611 a year (±$10,618), against $71,544 across Lane County: 81st highest of the county's 91 tracts with a reliable estimate. 36.7% of residents live below the poverty line.
| Measure | Tract 31.04 | Eugene |
|---|---|---|
| Median household income | $48,611 ±$10,618 | $66,562 |
| Mean household income | $65,830 ±$15,446 | $95,670 |
| Per capita income | $33,776 ±$9,921 | $41,560 |
| People below the poverty line | 36.7% ±9.1 pts | 19.0% |
| Children under 18 below the poverty line | 32.4% ±33.8 pts | 15.5% |
| Households receiving SNAP | 18.9% ±7.8 pts | 18.3% |
| Households with a computer | 99.5% ±0.9 pts | 97.8% |
| Households with a broadband subscription | 78.1% ±8.1 pts | 92.0% |
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 31.04?
Owners occupy 16.8% of Census Tract 31.04's occupied homes and renters 83.2%. The median owner-occupied home is valued at $492,000 by its owner (±$127,670). The median renter pays $1,433 a month including utilities, and 59.4% of renters pay 35% or more of their income on rent.
| Measure | Tract 31.04 | Eugene |
|---|---|---|
| Median home value (owner-occupied) | $492,000 ±$127,670 | $460,400 |
| Median gross rent | $1,433 ±$169 | $1,402 |
| Renters paying 35% or more of income on rent | 59.4% ±9.8 pts | 50.1% |
| Median monthly owner costs, with a mortgage | $3,546 ±$1,042 | $2,119 |
| Owner-occupied homes | 16.8% ±9.3 pts | 47.9% |
| Renter-occupied homes | 83.2% ±9.3 pts | 52.1% |
| Housing units | 3,029 ±352 | 80,856 |
| Single-family detached homes | 20.3% ±8.8 pts | 50.9% |
| Mobile homes | 0.0% ±1.3 pts | 3.8% |
| Built 2020 or later | 0.8% ±1.3 pts | 1.3% |
| Built 2010 to 2019 | 16.1% ±9.4 pts | 10.7% |
| Built 1939 or earlier | 2.8% ±1.8 pts | 6.1% |
| Households with no vehicle | 14.8% ±6.9 pts | 10.2% |
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 31.04 get to work?
75.3% of Census Tract 31.04's workers drive alone. The average trip to work takes 15.3 minutes. The unemployment rate in 2020-2024 averaged 5.4%.
| Measure | Tract 31.04 | Eugene |
|---|---|---|
| In the labor force (age 16+) | 69.1% ±7.8 pts | 62.7% |
| Unemployment rate | 5.4% ±2.6 pts | 7.6% |
| Drove alone to work | 75.3% ±8.4 pts | 61.3% |
| Carpooled | 7.5% ±3.9 pts | 7.4% |
| Public transportation | 2.7% ±4.0 pts | 2.6% |
| Walked | 1.0% ±1.0 pts | 5.7% |
| Worked from home | 5.9% ±4.1 pts | 17.3% |
| Mean travel time to work | 15.3 min ±1.7 | 18.4 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 31.04 compare with the other tracts in Lane County?
Among Lane County's tracts with a reliable estimate, Census Tract 31.04 ranks as shown below (1 = highest).
| Measure | In Lane County | In Eugene |
|---|---|---|
| Population | 10th of 92 | 6th of 45 |
| Residents per square mile | 41st of 92 | 29th of 45 |
| Median household income | 81st of 91 | 36th of 44 |
| Per capita income | 59th of 92 | 30th of 45 |
| Median home value | 23rd of 90 | 16th of 43 |
| Median gross rent | 37th of 87 | 27th of 44 |
| Poverty rate | 6th of 84 | 6th of 43 |
| Bachelor's degree or higher | 29th of 92 | 28th of 45 |
| Median age | 88th of 92 | 41st of 45 |
| Owner-occupied share | 87th of 89 | 40th of 42 |
The tracts next to it on Lane County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 21.04 | 78th | $50,951±$9,139 · within the margin of this tract |
| Tract 7.05 | 79th | $50,660±$5,073 · within the margin of this tract |
| Tract 43 | 80th | $48,846±$4,609 · within the margin of this tract |
| Tract 31.04 | 81st | $48,611±$10,618 |
| Tract 45.01 | 82nd | $46,563±$5,620 · within the margin of this tract |
| Tract 42 | 83rd | $46,019±$11,906 · within the margin of this tract |
| Tract 33.02 | 84th | $44,219±$19,045 · 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 31.04?
1 of the 18 figures for Census Tract 31.04 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