| City: | Denio, Nevada |
| Names to Avoid: | Dike, Highway 40, Jackson Mountain, Pueblo Valley, Quinn River Crossing |
| County: | Humboldt County |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 9:30:41 AM |
| Population: | 65 [See All] |
| Area Code: | 775 |
| Classification: | PO Box |
| Coordinates: | 41.4778, -118.8889 |
| Land Area: | 426.545 sq mi |
| Quick Link: |
Denio sits at the northernmost edge of Nevada, where Humboldt County meets the Oregon border across 509 square miles of high desert terrain. This is a PO Box Only Zone. There's no alternative mail delivery across the entire territory. The 37 PO Boxes at the Denio Post Office serve not just the tiny settlement itself, but scattered ranches, seasonal dwellings, and travelers across Quinn River Crossing, Pueblo Valley, Jackson Mountain, and Highway 40 corridor.
Just 65 people live within the ZIP code boundaries year-round, occupying 29 of the 44 housing units. The remaining 15 units (34% of the total) sit vacant most of the year, used seasonally by ranchers, hunters, and remote property owners. With 37 PO Boxes serving 29 households, the 1.28 adoption rate shows that every local household relies on PO Box service, plus boxes maintained by seasonal residents and the handful of businesses operating across this vast area.
This isn't a town in the traditional sense. It's a remote service point for one of Nevada's most isolated regions. The post office handles deliveries across Virgin Valley Road, Highway 140, and scattered rural routes where the nearest neighbor might be 10 miles away. General Delivery remains available for transient workers and travelers passing through this corner of the Great Basin.
The territory's 509 square miles contain minimal infrastructure. Just 3 business establishments employ 6 workers total. Most of the 44 housing units are older structures, with mobile homes accounting for over half the housing stock. Per capita income of $16,523 indicates a working ranch economy, not a vacation retreat. Median age of 41.4 years and nearly all residents born in the United States point to multi-generational ranching families rather than newcomers.
Mail addressed to Denio can use any of the recognized place names, though only DENIO is valid for mailing. Quinn River Crossing, Pueblo Valley, Jackson Mountain, Highway 40, and Dike are geographic markers USPS recognizes but doesn't accept on mail. Anyone receiving mail here needs a PO Box. That's not a matter of preference. Across 509 square miles of high desert, the Denio Post Office is the only way to get mail.
Streets include Highway 140, Virgin Valley Road, and Main Street, indicating minimal developed road infrastructure across the vast territory.
ZIP Code 89404 has 65 residents and 29 households (average 2.24 persons per household). The median age is 41.4 years, slightly older than the state (38.6) and slightly older than the nation (38.8). The gender split is 61.5% male and 38.5% female, which is much higher than the national male share (49.1%), making this a male-majority area. Largest groups are White (95.4%, much higher than the state average of 51.2% and well above the national average of 61.6%) and Hispanic or Latino (3.1%); Hispanic or Latino residents make up 3.1%, which is much lower than the state average (28.7%).
Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship
| 2020 Population: | 65Source: Census DHC |
| 2024 ACS Population Estimate: | 36Source: Census ACS |
| 2026 ZC Population Estimate: | 0Source: ZIP-Codes.com |
| Population Density: | 0.2 people per sq mile |
| Average Income: | $0Source: Census ACS |
| Households: | 29Source: Census DHC |
| Average House Value: | $666,666,666Source: Census ACS |
| Persons Per Household: | 2.24Source: Census DHC |
| Average Family Size: | 3.56Source: Census ACS |
| Group | 2010 | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Census ACS Population Estimate | -- | 0 | 0 | 30 | 44 | 42 | 46 | 75 | 28 | 0 | 0 | 17 | 31 | 26 | 36 |
| Decennial Census | 52 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 65 | -- | -- | -- | -- |
Median Age: 41.4
Male Median Age: 41
Female Median Age: 48.1
| 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 | 1 | 0 | 0 | 6 | 2 | 1 | 5 | 4 | 9 | 3 | 0 | 0 | 6 | 3 | 0 | 0 | 0 | 0 |
| Female | 0 | 2 | 1 | 0 | 1 | 0 | 3 | 3 | 1 | 5 | 0 | 2 | 0 | 1 | 0 | 4 | 2 | 0 |
| Total | 1 | 2 | 1 | 6 | 3 | 1 | 8 | 7 | 10 | 8 | 0 | 2 | 6 | 4 | 0 | 4 | 2 | 0 |
| White: | 62 | 93.94% |
| Black: | 0 | 0% |
| Hispanic:* | 2 | 3.03% |
| Asian: | 0 | 0% |
| American Indian: | 0 | 0% |
| Hawaiian: | 0 | 0% |
| Other: | 2 | 3.03% |
| Total: | 66 | 100% |
| Gender | Count | % | Median Age |
|---|---|---|---|
| Males: | 40 | 61.54% | 41.0 years |
| Females: | 25 | 38.46% | 48.1 years |
| Total: | 65 | 100% | 41.4 years |
| Native, born in the United States: | 36 | 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: | 36 | 100% |
| Total Native Population: | 36 | 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), and above its 2019 pre-pandemic level by $0. 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 $0, which is considerably lower than the national female median ($55,274), with a current gap of $0 that has stayed about the same from 2011 to 2024. The labor-force participation rate is 41.7%, which is much lower 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 (100.0%).
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 | $0 | $0 | $0 | $0 | $0 | $0 | $56,429 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Median Family Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Median NonFamily Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Median Male Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Median Female Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Employed: | 15 | 41.67% |
| Unemployed: | 0 | 0.00% |
| Not In Labor Force: | 21 | 58.33% |
| Total: | 36 | 100% |
| Management, business, science, and arts: | 15 | 100.00% |
| Service: | 0 | 0.00% |
| Sales and Office: | 0 | 0.00% |
| Natural resources, construction, and maintenance: | 0 | 0.00% |
| Production, transportation, and material moving: | 0 | 0.00% |
| Total Civilian Employed Population: | 15 | 100% |
In 2024, the median home value is $0, which is much lower than the national median ($332,700), and above its 2019 pre-pandemic level by $0. The median gross rent is $0, which is well under the national median ($1,413), and above its 2019 pre-pandemic level by $0. Insufficient data for owner/renter mix. Insufficient data for vacancy rate.
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 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $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): | 7 | 46.67% |
| Owner Occupied (free and clear, no mortgage): | 8 | 53.33% |
| Renter Occupied: | 0 | 0.00% |
| Total Occupied Housing Units: | 15 | 100% |
| Occupied Housing Units: | 15 | 36.59% |
| Vacant Housing Units (not graphed): | 26 | 63.41% |
| Total Housing Units: | 41 | 100% |
| Single-Family Units: | 15 | 36.59% |
| Multi-Family Units: | 0 | 0.00% |
| Other Units: | 26 | 63.41% |
| Total Housing Units: | 41 | 100% |
In 2024, 41.70% of adults (25+) have a bachelor's degree or higher, which is comparable to the national rate (35.70%). High school or higher is 100.00%, which is comparable to the national rate (89.60%). The uninsured rate is 0.00%, which is comparable to the national rate (8.40%). The share of people in poverty is 0.00%, which is comparable to the national rate (8.80%). Poverty has been broadly stable, which may reflect structural barriers or offsetting gains and setbacks. Insufficient data for school enrollment.
Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment
| Less than 9th grade: | 0 | 0.00% |
| 9th to 12th grade, no diploma: | 0 | 0.00% |
| High school graduate (includes equivalency): | 10 | 27.78% |
| Some college, no degree: | 11 | 30.56% |
| Associate's degree: | 0 | 0.00% |
| Bachelor's degree: | 15 | 41.67% |
| Graduate or professional degree: | 0 | 0.00% |
| Total: | 36 | 100% |
| High school or higher: | 36 | 100.00% |
| Bachelor's degree or higher: | 15 | 41.67% |
| Private Insurance: | 36 | 78.26% |
| Public Insurance: | 10 | 21.74% |
| No Insurance: | 0 | 0.00% |
| Total: | 46 | 100% |
| Has Health Insurance: | 46 | 100.00% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % of People in Poverty | 0.0% | -666,666,666.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | -666,666,666.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
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: | 0 | 0% |
| Kindergarten: | 0 | 0% |
| Elementary school (grades 1-8): | 0 | 0% |
| High school (grades 9-12): | 0 | 0% |
| College or graduate school: | 0 | 0% |
| Total: | 0 | 100% |
| Early Childhood: | 0 | 0% |
| K-12 (Primary & Secondary School): | 0 | 0% |
ZIP Code 89404 supports both business and residential activity. According to the Business Census (2024), there are 3 business establishments, employing about 2 people with an annual payroll of $190,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 6,637Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 3Source: CBP |
| 1st Quarter Payroll: | $22,000Source: CBP |
| Annual Payroll: | $190,000Source: CBP |
| # of Employees: | 2Source: CBP |
ZIP Code 89404 is located in Humboldt County, Nevada, within the Winnemucca, NV Metropolitan Statistical Area (CBSA 49080) and Nevada's 2nd Congressional District. This Micro area has a population of 0 people, about 0.00% of whom live in ZIP Code 89404. It covers 426.545 sq mi of land and a water area of 2.802 sq mi.
| CBSA Name: | Winnemucca, NVSource: Census |
| CBSA Number: | 49080Source: Census |
| CBSA Type: | MicroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 0Source: Census |
| MSA: | Source: Census |
| Land Area: | 426.545 sq miSource: Census |
| Water Area: | 2.802 sq miSource: Census |
| Congressional District: | 02Source: USPS |
| Congressional Land Area: | 55829.71 sq miSource: Census |
| PMSA: | Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 3218500Source: Census |
| Place Name: | Denio CDP; NevadaSource: Census |
ZIP Code 89404 is in the Humboldt County School District, which serves grades Pre-Kindergarten thru 12th. There are 1 public school(s) in this ZIP Code, and we have located 3 private school(s). 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 March 1, 2026.