Census tract · Isabela Municipio
Census Tract 4101, Isabela Municipio, Puerto Rico
Census Tract 4101, GEOID 72071410100, in Isabela Municipio, Puerto Rico, outside any city, town or census-designated place. 5,873 residents in the ACS 2020-2024 5-year estimates (±1,198); the 2020 Census counted 5,724.
Residents, 2020-2024
5,873
±1,198 (90% margin)
2020 Census count: 5,724
Median household income
$29,157
±$3,466 (90% margin)
Isabela Municipio: $23,266
Median home value
$205,800
±$60,532 (90% margin)
Isabela Municipio: $136,200
Median gross rent
$612
±$60 (90% margin)
Isabela Municipio: $582
Where is Census Tract 4101?
Census Tract 4101 is one of 12 census tracts in Isabela Municipio, Puerto Rico. It covers 7.88 square miles of land, 726 residents per square mile in 2020. Its GEOID, 72071410100, names it uniquely (how tract numbers and GEOIDs work).
7 census tracts border Census Tract 4101: Tract 4102 ($23,924), Tract 4105 ($24,693), Tract 4106 ($17,273), Tract 4107.04 ($27,706), Tract 3301 in Quebradillas Municipio ($21,641), Tract 3302 in Quebradillas Municipio ($18,951) and Tract 3303 in Quebradillas Municipio ($25,047). 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 4101?
The 2020-2024 American Community Survey puts Census Tract 4101's population at 5,873 (±1,198) in – households; the 2020 Census counted 5,724 residents and 2,610 housing units.
| Measure | Tract 4101 | Isabela Municipio |
|---|---|---|
| Total population | 5,873 ±1,198 | 42,890 |
| Housing units | 2,715 ±355 | 21,832 |
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 4101?
The median resident of Census Tract 4101 is 47.2 years old; 10.7% are under 18 and 27.2% are 65 or older. The largest group is Hispanic or Latino residents (of any race) at 100.0%.
| Measure | Tract 4101 | Isabela Municipio |
|---|---|---|
| Median age | 47.2 ±6.4 | 45.1 |
| Under 18 years | 10.7% ±4.1 pts | 15.4% |
| 65 years and over | 27.2% ±7.3 pts | 22.4% |
| Hispanic or Latino (any race) | 100.0% ±0.9 pts | 98.4% |
| White alone, not Hispanic | 0.0% ±0.9 pts | 0.8% |
| Black or African American alone, not Hispanic | 0.0% ±0.9 pts | 0.2% |
| Asian alone, not Hispanic | 0.0% ±0.9 pts | 0.1% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.9 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.9 pts | 0.1% |
| Two or more races, not Hispanic | 0.0% ±0.9 pts | 0.4% |
| Some other race alone, not Hispanic | 0.0% ±0.9 pts | 0.2% |
| No health insurance coverage | 4.3% ±3.3 pts | 5.8% |
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 4101 earn?
Half of the – households in Census Tract 4101 earn less than $29,157 a year (±$3,466), against $23,266 across Isabela Municipio: 1st highest of the county's 11 tracts with a reliable estimate. 39.8% of residents live below the poverty line.
| Measure | Tract 4101 | Isabela Municipio |
|---|---|---|
| Median household income | $29,157 ±$3,466 | $23,266 |
| Mean household income | $37,418 ±$7,150 | $32,293 |
| Per capita income | $15,517 ±$2,475 | $14,167 |
| People below the poverty line | 39.8% ±10.6 pts | 43.6% |
| Children under 18 below the poverty line | 24.9% ±21.2 pts | 50.9% |
| Households receiving SNAP | 43.5% ±10.1 pts | 48.9% |
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 4101?
Owners occupy 66.9% of Census Tract 4101's occupied homes and renters 33.1%. The median owner-occupied home is valued at $205,800 by its owner (±$60,532). The median renter pays $612 a month including utilities.
| Measure | Tract 4101 | Isabela Municipio |
|---|---|---|
| Median home value (owner-occupied) | $205,800 ±$60,532 | $136,200 |
| Median gross rent | $612 ±$60 | $582 |
| Renters paying 35% or more of income on rent | 21.1% ±23.2 pts | 41.1% |
| Median monthly owner costs, with a mortgage | $989 ±$114 | $849 |
| Owner-occupied homes | 66.9% ±9.6 pts | 66.4% |
| Renter-occupied homes | 33.1% ±9.6 pts | 33.6% |
| Housing units | 2,715 ±355 | 21,832 |
| Single-family detached homes | 87.9% ±5.4 pts | 82.8% |
| Mobile homes | 0.0% ±2.0 pts | 0.1% |
| Built 2020 or later | 0.0% ±2.0 pts | 0.0% |
| Built 2010 to 2019 | 13.1% ±6.1 pts | 4.8% |
| Built 1939 or earlier | 2.0% ±2.3 pts | 1.5% |
| Households with no vehicle | 16.1% ±7.5 pts | 10.8% |
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 4101 get to work?
91.7% of Census Tract 4101's workers drive alone. The average trip to work takes 23.3 minutes.
| Measure | Tract 4101 | Isabela Municipio |
|---|---|---|
| In the labor force (age 16+) | 42.3% ±7.5 pts | 39.6% |
| Unemployment rate | 7.1% ±6.6 pts | 9.4% |
| Drove alone to work | 91.7% ±6.8 pts | 84.1% |
| Carpooled | 2.5% ±4.1 pts | 6.6% |
| Public transportation | 0.0% ±2.6 pts | 0.0% |
| Walked | 2.8% ±4.3 pts | 3.3% |
| Worked from home | 2.9% ±3.6 pts | 5.0% |
| Mean travel time to work | 23.3 min ±4.0 | 26.1 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 4101 compare with the other tracts in Isabela Municipio?
Among Isabela Municipio's tracts with a reliable estimate, Census Tract 4101 ranks as shown below (1 = highest).
| Measure | In Isabela Municipio |
|---|---|
| Population | 2nd of 11 |
| Residents per square mile | 9th of 11 |
| Median household income | 1st of 11 |
| Per capita income | 4th of 11 |
| Median home value | 1st of 11 |
| Median gross rent | 3rd of 11 |
| Poverty rate | 8th of 11 |
| Median age | 6th of 11 |
| Owner-occupied share | 6th of 11 |
The tracts next to it on Isabela Municipio's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 4101 | 1st | $29,157±$3,466 |
| Tract 4107.04 | 2nd | $27,706±$2,697 · within the margin of this tract |
| Tract 4105 | 3rd | $24,693±$7,619 · within the margin of this tract |
| Tract 4102 | 4th | $23,924±$5,913 · 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 4101?
4 of the 16 figures for Census Tract 4101 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