Census tract · Jefferson County
Census Tract 120.42, Jefferson County, Colorado
Census Tract 120.42, GEOID 08059012042, in Jefferson County, Colorado, entirely within Dakota Ridge. 3,929 residents in the ACS 2020-2024 5-year estimates (±459); the 2020 Census counted 3,935.
Residents, 2020-2024
3,929
±459 (90% margin)
2020 Census count: 3,935
Median household income
$140,357
±$17,491 (90% margin)
Jefferson County: $110,656
Median home value
$613,500
±$17,998 (90% margin)
Jefferson County: $637,600
Median gross rent
$1,343
±$537 (90% margin)
Jefferson County: $1,861
Where is Census Tract 120.42?
Census Tract 120.42 is one of 146 census tracts in Jefferson County, Colorado. It covers 0.98 square miles of land, 4,003 residents per square mile in 2020. Its GEOID, 08059012042, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Dakota Ridge | 100% |
4 census tracts border Census Tract 120.42: Tract 120.41 ($121,591), Tract 120.43 ($120,297), Tract 120.45 ($133,075) and Tract 120.54 ($131,645). 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 120.42?
The 2020-2024 American Community Survey puts Census Tract 120.42's population at 3,929 (±459) in 1,388 households; the 2020 Census counted 3,935 residents and 1,399 housing units.
| Measure | Tract 120.42 | Dakota Ridge |
|---|---|---|
| Total population | 3,929 ±459 | 33,753 |
| Households | 1,388 ±139 | 13,215 |
| Average household size | 2.76 ±0.27 | 2.54 |
| Housing units | 1,410 ±133 | 13,576 |
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 120.42?
The median resident of Census Tract 120.42 is 44.3 years old; 20.4% are under 18 and 16.3% are 65 or older. The largest group is non-Hispanic white residents at 77.9%, then Hispanic or Latino residents (of any race) at 12.5%. 7.7% of residents were born outside the United States.
| Measure | Tract 120.42 | Dakota Ridge |
|---|---|---|
| Median age | 44.3 ±6.4 | 41.1 |
| Under 18 years | 20.4% ±3.5 pts | 20.0% |
| 65 years and over | 16.3% ±4.4 pts | 16.1% |
| Hispanic or Latino (any race) | 12.5% ±3.8 pts | 16.6% |
| White alone, not Hispanic | 77.9% ±5.4 pts | 73.3% |
| Black or African American alone, not Hispanic | 0.3% ±0.9 pts | 0.7% |
| Asian alone, not Hispanic | 4.9% ±3.2 pts | 3.8% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±1.1 pts | 0.2% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.2% ±0.4 pts | 0.1% |
| Two or more races, not Hispanic | 4.1% ±2.0 pts | 4.6% |
| Some other race alone, not Hispanic | 0.0% ±1.1 pts | 0.7% |
| Born outside the United States | 7.7% ±3.2 pts | 5.6% |
| Speak a language other than English at home (age 5+) | 8.9% ±4.0 pts | 9.0% |
| Civilian veterans (age 18+) | 5.8% ±3.0 pts | 7.3% |
| With a disability | 9.6% ±3.5 pts | 9.6% |
| No health insurance coverage | 2.9% ±1.8 pts | 3.4% |
| High school graduate or higher (age 25+) | 94.0% ±3.9 pts | 96.7% |
| Bachelor's degree or higher (age 25+) | 44.8% ±6.6 pts | 51.0% |
| Graduate or professional degree (age 25+) | 16.8% ±4.0 pts | 17.4% |
| Lived in the same house a year earlier | 93.4% ±2.8 pts | 88.0% |
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 120.42 earn?
Half of the 1,388 households in Census Tract 120.42 earn less than $140,357 a year (±$17,491), against $110,656 across Jefferson County: 36th highest of the county's 142 tracts with a reliable estimate.
| Measure | Tract 120.42 | Dakota Ridge |
|---|---|---|
| Median household income | $140,357 ±$17,491 | $120,822 |
| Mean household income | $147,863 ±$12,096 | $140,741 |
| Per capita income | $54,014 ±$5,048 | $55,851 |
| People below the poverty line | 1.4% ±1.6 pts | 4.4% |
| Children under 18 below the poverty line | 0.0% ±5.2 pts | 4.5% |
| Households receiving SNAP | 6.3% ±5.8 pts | 5.0% |
| Households with a computer | 99.1% ±1.3 pts | 98.4% |
| Households with a broadband subscription | 97.3% ±1.8 pts | 96.8% |
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 120.42?
Owners occupy 91.6% of Census Tract 120.42's occupied homes and renters 8.4%. The median owner-occupied home is valued at $613,500 by its owner (±$17,998). The median renter pays $1,343 a month including utilities.
| Measure | Tract 120.42 | Dakota Ridge |
|---|---|---|
| Median home value (owner-occupied) | $613,500 ±$17,998 | $604,600 |
| Median gross rent | $1,343 ±$537 | $2,176 |
| Renters paying 35% or more of income on rent | 13.7% ±15.7 pts | 38.6% |
| Median monthly owner costs, with a mortgage | $2,172 ±$263 | $2,387 |
| Owner-occupied homes | 91.6% ±5.0 pts | 83.6% |
| Renter-occupied homes | 8.4% ±5.0 pts | 16.4% |
| Housing units | 1,410 ±133 | 13,576 |
| Single-family detached homes | 100.0% ±3.0 pts | 80.8% |
| Mobile homes | 0.0% ±3.0 pts | 0.1% |
| Built 2020 or later | 0.5% ±0.8 pts | 0.6% |
| Built 2010 to 2019 | 1.3% ±1.4 pts | 6.1% |
| Built 1939 or earlier | 0.6% ±0.9 pts | 0.2% |
| Households with no vehicle | 0.6% ±1.0 pts | 1.8% |
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 120.42 get to work?
71.0% of Census Tract 120.42's workers drive alone and 22.9% work from home. The average trip to work takes 28.0 minutes.
| Measure | Tract 120.42 | Dakota Ridge |
|---|---|---|
| In the labor force (age 16+) | 72.6% ±4.6 pts | 71.8% |
| Unemployment rate | 0.5% ±0.8 pts | 2.8% |
| Drove alone to work | 71.0% ±5.0 pts | 66.6% |
| Carpooled | 5.5% ±3.0 pts | 6.1% |
| Public transportation | 0.0% ±1.8 pts | 1.3% |
| Walked | 0.0% ±1.8 pts | 0.3% |
| Worked from home | 22.9% ±4.4 pts | 24.1% |
| Mean travel time to work | 28.0 min ±2.6 | 25.8 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 120.42 compare with the other tracts in Jefferson County?
Among Jefferson County's tracts with a reliable estimate, Census Tract 120.42 ranks as shown below (1 = highest).
| Measure | In Jefferson County | In Dakota Ridge |
|---|---|---|
| Population | 72nd of 143 | 5th of 7 |
| Residents per square mile | 64th of 146 | 4th of 7 |
| Median household income | 36th of 142 | 1st of 7 |
| Per capita income | 88th of 143 | 4th of 7 |
| Median home value | 67th of 140 | 3rd of 7 |
| Median gross rent | 124th of 131 | 7th of 7 |
| Bachelor's degree or higher | 98th of 142 | 6th of 7 |
| Median age | 43rd of 143 | 2nd of 7 |
| Owner-occupied share | 30th of 140 | 3rd of 7 |
The tracts next to it on Jefferson County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 98.47 | 33rd | $144,688±$22,605 · within the margin of this tract |
| Tract 103.03 | 34th | $142,442±$22,563 · within the margin of this tract |
| Tract 120.32 | 35th | $140,476±$37,948 · within the margin of this tract |
| Tract 120.42 | 36th | $140,357±$17,491 |
| Tract 120.53 | 37th | $137,623±$15,997 · within the margin of this tract |
| Tract 98.28 | 38th | $137,500±$41,919 · within the margin of this tract |
| Tract 120.58 | 39th | $137,031±$41,425 · 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 120.42?
2 of the 18 figures for Census Tract 120.42 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