Census tract · Rio Grande County
Census Tract 9770.01, Rio Grande County, Colorado
Census Tract 9770.01, GEOID 08105977001, in Rio Grande County, Colorado, partly within Alpine, South Fork, Gerrard and Del Norte. 2,154 residents in the ACS 2020-2024 5-year estimates (±261); the 2020 Census counted 2,173.
Residents, 2020-2024
2,154
±261 (90% margin)
2020 Census count: 2,173
Median household income
$77,379
±$31,460 (90% margin)
Rio Grande County: $64,411
Median home value
$437,900
±$83,822 (90% margin)
Rio Grande County: $239,500
Median gross rent
$1,098
±$275 (90% margin)
Rio Grande County: $945
Where is Census Tract 9770.01?
Census Tract 9770.01 is one of 4 census tracts in Rio Grande County, Colorado. It covers 679.01 square miles of land, 3 residents per square mile in 2020. Its GEOID, 08105977001, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Alpine | 30% |
| South Fork | 14% |
| Gerrard | 7% |
| Del Norte | 0% |
7 census tracts border Census Tract 9770.01: Tract 9744 in Archuleta County ($88,800), Tract 9749 in Conejos County ($49,808), Tract 9736 in Mineral County ($56,250), Tract 9767 ($62,246), Tract 9768 ($40,600), Tract 9770.02 ($86,297) and Tract 9777 in Saguache County ($57,736). 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 9770.01?
The 2020-2024 American Community Survey puts Census Tract 9770.01's population at 2,154 (±261) in 1,068 households; the 2020 Census counted 2,173 residents and 2,197 housing units.
| Measure | Tract 9770.01 | Rio Grande County |
|---|---|---|
| Total population | 2,154 ±261 | 11,321 |
| Households | 1,068 ±123 | 5,133 |
| Average household size | 2.01 ±0.15 | 2.16 |
| Housing units | 2,242 ±191 | 6,616 |
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 9770.01?
The median resident of Census Tract 9770.01 is 55.9 years old; 12.5% are under 18 and 33.6% are 65 or older. The largest group is non-Hispanic white residents at 91.4%, then Hispanic or Latino residents (of any race) at 6.9%.
| Measure | Tract 9770.01 | Rio Grande County |
|---|---|---|
| Median age | 55.9 ±6.6 | 41.7 |
| Under 18 years | 12.5% ±3.5 pts | 20.1% |
| 65 years and over | 33.6% ±6.1 pts | 22.8% |
| Hispanic or Latino (any race) | 6.9% ±4.1 pts | 40.7% |
| White alone, not Hispanic | 91.4% ±4.8 pts | 54.7% |
| Black or African American alone, not Hispanic | 0.2% ±0.4 pts | 0.3% |
| Asian alone, not Hispanic | 0.0% ±0.2 pts | 0.1% |
| American Indian and Alaska Native alone, not Hispanic | 0.5% ±0.8 pts | 1.1% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±2.0 pts | 0.0% |
| Two or more races, not Hispanic | 0.9% ±1.0 pts | 2.8% |
| Some other race alone, not Hispanic | 0.0% ±2.0 pts | 0.3% |
| Born outside the United States | 0.8% ±0.8 pts | 3.8% |
| Speak a language other than English at home (age 5+) | 2.5% ±2.1 pts | 17.1% |
| Civilian veterans (age 18+) | 9.1% ±3.8 pts | 6.7% |
| With a disability | 17.9% ±4.7 pts | 17.3% |
| No health insurance coverage | 12.0% ±7.1 pts | 10.7% |
| High school graduate or higher (age 25+) | 96.1% ±3.0 pts | 88.5% |
| Bachelor's degree or higher (age 25+) | 40.6% ±9.4 pts | 34.5% |
| Graduate or professional degree (age 25+) | 18.9% ±7.3 pts | 12.1% |
| Lived in the same house a year earlier | 82.3% ±9.9 pts | 91.5% |
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 9770.01 earn?
Half of the 1,068 households in Census Tract 9770.01 earn less than $77,379 a year (±$31,460), against $64,411 across Rio Grande County: 2nd highest of the county's 4 tracts with a reliable estimate. 10.6% of residents live below the poverty line.
| Measure | Tract 9770.01 | Rio Grande County |
|---|---|---|
| Median household income | $77,379 ±$31,460 | $64,411 |
| Mean household income | $108,845 ±$25,758 | $85,497 |
| Per capita income | $53,632 ±$12,465 | $39,615 |
| People below the poverty line | 10.6% ±6.1 pts | 18.0% |
| Children under 18 below the poverty line | 22.3% ±23.9 pts | 23.4% |
| Households receiving SNAP | 6.1% ±3.8 pts | 17.0% |
| Households with a computer | 97.8% ±1.8 pts | 92.2% |
| Households with a broadband subscription | 97.2% ±2.4 pts | 88.2% |
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 9770.01?
Owners occupy 65.5% of Census Tract 9770.01's occupied homes and renters 34.5%. The median owner-occupied home is valued at $437,900 by its owner (±$83,822). The median renter pays $1,098 a month including utilities.
| Measure | Tract 9770.01 | Rio Grande County |
|---|---|---|
| Median home value (owner-occupied) | $437,900 ±$83,822 | $239,500 |
| Median gross rent | $1,098 ±$275 | $945 |
| Renters paying 35% or more of income on rent | 17.8% ±18.0 pts | 36.2% |
| Median monthly owner costs, with a mortgage | $2,294 ±$699 | $1,315 |
| Owner-occupied homes | 65.5% ±11.3 pts | 67.1% |
| Renter-occupied homes | 34.5% ±11.3 pts | 32.9% |
| Housing units | 2,242 ±191 | 6,616 |
| Single-family detached homes | 78.6% ±6.9 pts | 75.5% |
| Mobile homes | 10.3% ±5.2 pts | 11.5% |
| Built 2020 or later | 0.9% ±0.9 pts | 1.0% |
| Built 2010 to 2019 | 8.7% ±5.2 pts | 4.6% |
| Built 1939 or earlier | 7.2% ±5.4 pts | 18.1% |
| Households with no vehicle | 0.0% ±3.9 pts | 7.2% |
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 9770.01 get to work?
73.0% of Census Tract 9770.01's workers drive alone and 15.4% work from home. The average trip to work takes 24.5 minutes.
| Measure | Tract 9770.01 | Rio Grande County |
|---|---|---|
| In the labor force (age 16+) | 54.9% ±6.8 pts | 61.8% |
| Unemployment rate | 5.8% ±4.3 pts | 10.1% |
| Drove alone to work | 73.0% ±8.2 pts | 73.7% |
| Carpooled | 11.3% ±6.4 pts | 12.5% |
| Public transportation | 0.0% ±4.2 pts | 0.2% |
| Walked | 0.0% ±4.2 pts | 3.2% |
| Worked from home | 15.4% ±8.0 pts | 9.3% |
| Mean travel time to work | 24.5 min ±6.4 | 19.2 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 9770.01 compare with the other tracts in Rio Grande County?
Among Rio Grande County's tracts with a reliable estimate, Census Tract 9770.01 ranks as shown below (1 = highest).
| Measure | In Rio Grande County |
|---|---|
| Population | 3rd of 4 |
| Residents per square mile | 4th of 4 |
| Median household income | 2nd of 4 |
| Per capita income | 1st of 4 |
| Median home value | 1st of 4 |
| Median gross rent | 1st of 4 |
| Poverty rate | 3rd of 4 |
| Bachelor's degree or higher | 1st of 4 |
| Median age | 2nd of 4 |
| Owner-occupied share | 3rd of 4 |
The tracts next to it on Rio Grande County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 9770.02 | 1st | $86,297±$13,767 · within the margin of this tract |
| Tract 9770.01 | 2nd | $77,379±$31,460 |
| Tract 9767 | 3rd | $62,246±$10,783 · within the margin of this tract |
| Tract 9768 | 4th | $40,600±$8,762 |
"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 9770.01?
2 of the 18 figures for Census Tract 9770.01 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