| City: | Ilfeld, New Mexico |
| Names to Avoid: | North San Ysidro |
| County: | San Miguel County |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 10:24:48 AM |
| Population: | 439 [See All] |
| Area Codes: | 505 / 575 |
| Classification: | PO Box |
| Coordinates: | 35.4225, -105.5609 |
| Land Area: | 55.145 sq mi |
| Quick Link: |
Ilfeld sits in San Miguel County, New Mexico, covering 26.7 square miles of rural territory. This small community of 439 residents has a median age of 52.3 years, typical of retirement-oriented rural areas in northern New Mexico. The area shows mixed heritage with 56% identifying as white and 25% as two or more races, plus 15% Hispanic representation.
Despite its classification as a PO Box ZIP, Ilfeld doesn't have any PO boxes. Mail arrives via a single rural carrier route serving 12 delivery points across 8 streets. Street names like Hidden Valley Ranch Road, Broken Arrow Trail, and Wigwam Trail suggest scattered ranch properties and residential parcels. County Road B43B serves as the main thoroughfare with 3 delivery points.
The area has 253 housing units, with 195 occupied and 33 used seasonally (13%). Mobile homes account for 119 units, nearly half the housing stock. Homeownership is extremely high at 93% (181 of 195 households). Median home values of $251,300 and per capita income of $28,448 indicate a modest, working-class to middle-class community.
This ZIP includes the area known as North San Ysidro, which USPS recognizes but doesn't accept for mailing addresses. Nearly 38% of workers work from home, well above national averages. This pattern fits retired professionals and remote workers who've settled in rural New Mexico for lifestyle reasons. The combination of high homeownership, elevated median age, and rural character defines Ilfeld as a quiet retirement community rather than an active commercial center.
Use "Ilfeld, NM 87538" for all mailing addresses. While "North San Ysidro" is recognized, it isn't valid for mailing purposes.
Street names like Broken Arrow Trail, Wigwam Trail, and Hidden Valley Ranch Road suggest scattered ranch properties in rural terrain.
ZIP Code 87538 has 439 residents and 195 households (average 2.25 persons per household). The median age is 52.3 years, significantly older than the state (39.2) and significantly older than the nation (38.8). The gender split is 47.2% male and 52.8% female, which is slightly lower than the state male share (49.3%), making this a female-majority area. Largest groups are White (55.6%, lower than the national average of 61.6%) and Hispanic or Latino (52.6%); Hispanic or Latino residents make up 52.6%, which is much higher than the national average (18.7%).
Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship
| 2020 Population: | 439Source: Census DHC |
| 2024 ACS Population Estimate: | 467Source: Census ACS |
| 2026 ZC Population Estimate: | 0Source: ZIP-Codes.com |
| Population Density: | 8.0 people per sq mile |
| Average Income: | $0Source: Census ACS |
| Households: | 195Source: Census DHC |
| Average House Value: | $666,666,666Source: Census ACS |
| Persons Per Household: | 2.25Source: Census DHC |
| Average Family Size: | 2.70Source: Census ACS |
| Group | 2010 | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Census ACS Population Estimate | -- | 253 | 246 | 312 | 503 | 582 | 647 | 688 | 597 | 425 | 355 | 251 | 441 | 538 | 467 |
| Decennial Census | 493 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 439 | -- | -- | -- | -- |
Median Age: 52.3
Male Median Age: 52.6
Female Median Age: 52.2
| Group | < 5 | 5-9 | 10-14 | 15-19 | 20-24 | 25-29 | 30-34 | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | 75-79 | 80-84 | 85+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Male | 5 | 4 | 6 | 12 | 5 | 8 | 12 | 12 | 15 | 13 | 17 | 15 | 32 | 24 | 12 | 6 | 6 | 3 |
| Female | 15 | 4 | 17 | 13 | 6 | 10 | 8 | 11 | 10 | 13 | 28 | 16 | 25 | 24 | 22 | 7 | 3 | 0 |
| Total | 20 | 8 | 23 | 25 | 11 | 18 | 20 | 23 | 25 | 26 | 45 | 31 | 57 | 48 | 34 | 13 | 9 | 3 |
| White: | 244 | 43.42% |
| Black: | 6 | 1.07% |
| Hispanic:* | 231 | 41.10% |
| Asian: | 0 | 0% |
| American Indian: | 11 | 1.96% |
| Hawaiian: | 0 | 0% |
| Other: | 70 | 12.46% |
| Total: | 562 | 100% |
| Gender | Count | % | Median Age |
|---|---|---|---|
| Males: | 207 | 47.15% | 52.6 years |
| Females: | 232 | 52.85% | 52.2 years |
| Total: | 439 | 100% | 52.3 years |
| Native, born in the United States: | 467 | 100.00% |
| Native, born in PR, Island Areas, or abroad: | 0 | 0.00% |
| Foreign born, naturalized U.S. citizen: | 0 | 0.00% |
| Foreign born, not a U.S. citizen: | 0 | 0.00% |
| Total Population: | 467 | 100% |
| Total Native Population: | 467 | 100.00% |
| Total Foreign-born Population: | 0 | 0.00% |
In 2024, the Median household income is $0, which is well under the national median ($80,734), is down $47,958 (100.0%) since 2011 and below its 2019 pre-pandemic level by $19,760. Family households earn a median of $0 versus $0 for nonfamily households (a difference of $0). By gender, male median income is $0 and female is $57,245, which is above the national female median ($55,274), with a current gap of $57,245 that has narrowed from 2011 to 2024. The labor-force participation rate is 74.4%, which is much higher than the national rate (63.5%). The unemployment rate is 0.0%, which is considerably lower than the national rate (5.2%). The largest occupation group is Management (69.3%).
Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation
| Income Type | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Household Income | $47,958 | $48,382 | $24,128 | $24,596 | $0 | $0 | $19,145 | $0 | $19,760 | $25,380 | $22,457 | $0 | $0 | $0 |
| Median Family Income | $100,450 | $102,885 | $0 | $71,949 | $71,824 | $72,105 | $74,406 | $78,182 | $0 | $0 | $0 | $0 | $0 | $0 |
| Median NonFamily Income | $22,079 | $22,199 | $23,837 | $0 | $0 | $0 | $11,581 | $12,540 | $14,636 | $18,077 | $0 | $0 | $0 | $0 |
| Median Male Income | $49,650 | $52,115 | $51,349 | $36,036 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Median Female Income | $39,583 | $39,338 | $0 | $54,375 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $50,076 | $52,900 | $57,245 |
| Employed: | 290 | 74.36% |
| Unemployed: | 0 | 0.00% |
| Not In Labor Force: | 100 | 25.64% |
| Total: | 390 | 100% |
| Management, business, science, and arts: | 201 | 69.31% |
| Service: | 49 | 16.90% |
| Sales and Office: | 26 | 8.97% |
| Natural resources, construction, and maintenance: | 0 | 0.00% |
| Production, transportation, and material moving: | 14 | 4.83% |
| Total Civilian Employed Population: | 290 | 100% |
In 2024, the median home value is $0, which is much lower than the national median ($332,700), is down $98,700 (100.00%) since 2011 and below its 2019 pre-pandemic level by $168,000. The median gross rent is $0, which is well under the national median ($1,413), and above its 2019 pre-pandemic level by $0. Of occupied housing, owners make up 100.00% (37.42% with a mortgage, 62.58% free-and-clear) and renters 0.00% - making this ZIP Code under national rental averages. The vacancy rate is 32.37%, which is markedly above the national rate (10.12%).
Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Home Value | $98,700 | $99,000 | $110,500 | $113,100 | $164,500 | $165,400 | $165,600 | $173,100 | $168,000 | $159,600 | $166,100 | $174,200 | $251,300 | $0 |
| Less than $500: | 0 | 0% |
| $500 to $999: | 0 | 0% |
| $1,000 to $1,499: | 0 | 0% |
| $1,500 to $1,999: | 0 | 0% |
| $2,000 to $2,499: | 0 | 0% |
| $2,500 to $2,999: | 0 | 0% |
| $3,000 or more: | 0 | 0% |
| No Rent: | 0 | 0% |
| Total: | 0 | 100% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Rent | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Owner Occupied (with mortgage): | 61 | 37.42% |
| Owner Occupied (free and clear, no mortgage): | 102 | 62.58% |
| Renter Occupied: | 0 | 0.00% |
| Total Occupied Housing Units: | 163 | 100% |
| Occupied Housing Units: | 163 | 67.63% |
| Vacant Housing Units (not graphed): | 78 | 32.37% |
| Total Housing Units: | 241 | 100% |
| Single-Family Units: | 163 | 67.63% |
| Multi-Family Units: | 0 | 0.00% |
| Other Units: | 78 | 32.37% |
| Total Housing Units: | 241 | 100% |
In 2024, 20.20% of adults (25+) have a bachelor's degree or higher, which is comparable to the national rate (35.70%). High school or higher is 90.70%, which is comparable to the national rate (89.60%). The uninsured rate is 3.00%, which is far lower than the national rate (8.40%). Private coverage is 43.30%, which is falls below the national rate (67.10%). Public coverage is 65.50%, which is far higher than the national rate (36.70%). The share of people in poverty is 30.10%, which is comparable to the national rate (8.80%). Poverty has been broadly stable, which may reflect structural barriers or offsetting gains and setbacks. Among residents ages 3+, the largest enrollment group is college (37.40%). College enrollment is 37.40%, which is comparable to the national rate (26.70%), meaning the community mirrors broader higher-education participation.
Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment
| Less than 9th grade: | 0 | 0.00% |
| 9th to 12th grade, no diploma: | 31 | 9.34% |
| High school graduate (includes equivalency): | 112 | 33.73% |
| Some college, no degree: | 26 | 7.83% |
| Associate's degree: | 96 | 28.92% |
| Bachelor's degree: | 67 | 20.18% |
| Graduate or professional degree: | 0 | 0.00% |
| Total: | 332 | 100% |
| High school or higher: | 301 | 90.66% |
| Bachelor's degree or higher: | 67 | 20.18% |
| Private Insurance: | 202 | 38.70% |
| Public Insurance: | 306 | 58.62% |
| No Insurance: | 14 | 2.68% |
| Total: | 522 | 100% |
| Has Health Insurance: | 508 | 97.32% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % of People in Poverty | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 30.1% |
Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.
| Nursery School, Preschool: | 38 | 29.01% |
| Kindergarten: | 0 | 0.00% |
| Elementary school (grades 1-8): | 0 | 0.00% |
| High school (grades 9-12): | 44 | 33.59% |
| College or graduate school: | 49 | 37.40% |
| Total: | 131 | 100% |
| Early Childhood: | 38 | 29.01% |
| K-12 (Primary & Secondary School): | 44 | 33.59% |
ZIP Code 87538 is designated for PO Box delivery only; business establishment and employment data are not available.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 167Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 0Source: CBP |
| 1st Quarter Payroll: | $0Source: CBP |
| Annual Payroll: | $0Source: CBP |
| # of Employees: | 0Source: CBP |
ZIP Code 87538 is located in San Miguel County, New Mexico, within the Las Vegas, NM Metropolitan Statistical Area (CBSA 29780) and New Mexico's 3rd Congressional District. This Micro area has a population of 29,393 people, about 1.49% of whom live in ZIP Code 87538. It covers 55.145 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Las Vegas, NMSource: Census |
| CBSA Number: | 29780Source: Census |
| CBSA Type: | MicroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 29,393Source: Census |
| MSA: | Source: Census |
| Land Area: | 55.145 sq miSource: Census |
| Water Area: | --Source: Census |
| Congressional District: | 03Source: USPS |
| Congressional Land Area: | 44958.52 sq miSource: Census |
| PMSA: | Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | --Source: Census |
| Place Name: | --Source: Census |
We could not locate which school district 87538 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.