73855 ZIP Code — Rosston, OK
Harper County, Oklahoma
ZIP code 73855 is located in Rosston, Oklahoma, within Harper County. It covers approximately 146.62 square miles and serves a population of 147 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 580.
147
population
146.62
sq mi land
Standard
ZIP type
Central (CT)
timezone
73855 ZIP code map
Cities in ZIP code 73855
Below are the cities the US Postal Service accepts for ZIP code 73855. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Rosston | Acceptable |
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 147 |
| Population density | 1 / sq mi |
| State FIPS | 40 |
| County FIPS | 059 |
| Geography | |
|---|---|
| Land area | 146.62 sq mi |
| Water area | 0.84 sq mi |
| Latitude | 36.8760 |
| Longitude | -99.8841 |
| Timezone | Central (CT) |
| Area code | 580 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 69.0% | 53.1% | 46.5% |
| $50k – $100k | 28.6% | 33.3% | 31.0% |
| $100k – $200k | 0.0% | 13.0% | 18.1% |
| Over $200k | 2.4% | 0.6% | 4.5% |
Demographics & statistics
147
Population
1
People per sq mi
38.7
Median age
$0
Median household income
$20,823
Per capita income
$185,200
Median home value
$0
Median monthly rent
68.2%
Home ownership
30.6%
Poverty rate
0.0%
Unemployment
77
Housing units
34.4%
Bachelor's or higher
Age distribution
Male
Female
1
Under 5
1
4
5–9
3
3
10–14
3
11
15–19
10
10
20–24
8
1
25–34
1
15
35–44
13
7
45–54
5
3
55–59
3
11
65–74
10
13
85+
11
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 19 | 12.9% |
| 18 and over | 128 | 87.1% |
| 65 and over | 45 | 30.6% |
| Median age | 38.7 years | |
Race & ethnicity
White
75%
Hispanic or Latino
12.5%
Other race
12.5%
| Group | Count | % |
|---|---|---|
| White | 126 | 75% |
| Hispanic or Latino | 21 | 12.5% |
| Other race | 21 | 12.5% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 69.0% | 53.1% | 46.5% |
| $50k – $100k | 28.6% | 33.3% | 31.0% |
| $100k – $200k | 0.0% | 13.0% | 18.1% |
| Over $200k | 2.4% | 0.6% | 4.5% |
Under $10k
1.5%
$10k–$15k
30.3%
$15k–$25k
25.8%
$35k–$50k
18.2%
$50k–$75k
3.0%
$75k–$100k
13.6%
$100k–$150k
7.6%
| Range | % of households |
|---|---|
| Under $10k | 1.5% |
| $10k–$15k | 30.3% |
| $15k–$25k | 25.8% |
| $35k–$50k | 18.2% |
| $50k–$75k | 3.0% |
| $75k–$100k | 13.6% |
| $100k–$150k | 7.6% |
| Median income | $0 |
Housing
Home values
Under $50k
2.2%
$50k–$100k
13.3%
$100k–$150k
24.4%
$150k–$200k
24.4%
$200k–$300k
35.6%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $185,200 |
| Median rent / month | $0 |
| Owner occupied | 68.2% |
| Renter occupied | 31.8% |
| Vacant | 32.7% |
| Single-family detached | 87.8% |
| Large apartment buildings | 0.0% |
| Mobile homes | 9.2% |
| Median rooms | 5.8 |
| Avg household size (owned) | 2.73 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 9.2% |
| 2000–2009 | 0.0% |
| 1990–1999 | 13.3% |
| 1980–1989 | 9.2% |
| 1970–1979 | 6.1% |
| 1960–1969 | 26.5% |
| 1950–1959 | 3.1% |
| 1940–1949 | 0.0% |
| 1939 or earlier | 32.7% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 0.0% |
| 2 bedrooms | 11.2% |
| 3 bedrooms | 79.6% |
| 4 bedrooms | 3.1% |
| 5+ bedrooms | 6.1% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 0.0% |
| 1 vehicle | 48.5% |
| 2 vehicles | 6.1% |
| 3 or more | 45.5% |
Heating fuel
| Fuel type | % |
|---|---|
| Electricity | 9.1% |
| Propane / LP gas | 60.6% |
| Wood | 30.3% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 22 | 33.3% |
| Cohabiting couple | 0 | 0.0% |
| Male householder, no spouse | 20 | 30.3% |
| Female householder, no spouse | 24 | 36.4% |
| Households with children under 18 | 11 | 16.7% |
| Households with seniors (65+) | 44 | 66.7% |
| Average household size | 2.23 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 62.1% | 27.3% |
| Married | 36.4% | 36.4% |
| Separated | 0.0% | 0.0% |
| Widowed | 1.5% | 36.4% |
| Divorced | 0.0% | 0.0% |
Education
Less than 9th grade
2.2%
Some HS, no diploma
0.0%
HS graduate
29.0%
Some college, no degree
34.4%
Associate's degree
0.0%
Bachelor's degree
34.4%
Graduate / professional
0.0%
| Metric | % |
|---|---|
| HS diploma or higher | 97.8% |
| Bachelor's or higher | 34.4% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 0 | 0.0% |
| Kindergarten | 4 | 7.7% |
| Elementary school | 9 | 17.3% |
| High school | 21 | 40.4% |
| College / grad school | 18 | 34.6% |
Employment
Industry of employment
Agriculture & mining
68.4%
Finance & real estate
17.5%
Transportation & utilities
8.8%
Public administration
3.5%
Arts, food & hospitality
1.8%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 29.8% |
| Service | 5.3% |
| Sales & office | 49.1% |
| Natural resources & construction | 7.0% |
| Production & transportation | 8.8% |
Employment type
| Type | % |
|---|---|
| Private sector | 73.7% |
| Government | 3.5% |
| Self-employed | 22.8% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 100.0% |
| Carpool | 0.0% |
| Public transit | 0.0% |
| Walk | 0.0% |
| Work from home | 0.0% |
| Other means | 0.0% |
| Avg commute (minutes) | 13.0 |
Poverty
All people
30.6%
Under 18 years
68.4%
18 and over
25.0%
Married-couple families
31.8%
Female-led households
0.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 66.7% |
| Retirement income | 18.2% |
| Supplemental Security | 0.0% |
| Cash public assistance | 0.0% |
| Food stamps / SNAP | 0.0% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 36.3% |
| High blood pressure | 50.7% |
| High cholesterol | 48.1% |
| Diabetes | 16.1% |
| Heart disease | 12.2% |
| Stroke | 5.3% |
| Asthma | 10.0% |
| Arthritis | 37.8% |
| Kidney disease | 4.7% |
| Pulmonary disease | 12.3% |
| Cancer | 10.9% |
| Behavior / access | % |
|---|---|
| Smoking | 18.0% |
| Binge drinking | 9.7% |
| No physical activity | 34.0% |
| Less than 7 hrs sleep | 30.8% |
| Depression | 22.3% |
| Fair or poor health | 21.6% |
| Poor mental health | 13.8% |
| Poor physical health | 15.1% |
| No health insurance | 17.0% |
| Visited doctor (checkup) | 81.1% |
| Visited dentist | 59.8% |
| Cholesterol screening | 92.2% |
| Teeth loss | 19.2% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 2 | 1.6% |
| Disability | % |
|---|---|
| Any disability | 14.3% |
| Under 18 | 21.1% |
| 18–64 years | 4.8% |
| 65 and over | 28.9% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 63.3% |
| Public insurance | 39.5% |
| No insurance | 14.3% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 145 | 98.6% |
| Spanish | 14 | 9.7% |
| Other Indo-European | 14 | 9.7% |
| Asian & Pacific Islander | 0 | 0.0% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 137 | 93.2% |
| Born in same state | 137 | 93.2% |
| Born in different state | 118 | 80.3% |
| Foreign born | 0 | 0.0% |
| Naturalized citizen | 10 | 6.8% |
| Not a US citizen | 0 | 0.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Arab | 2 | 1.4% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 44.9% |
| Internet access | 53.0% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 73855
What city is ZIP code 73855 in?
ZIP code 73855 is primarily assigned to Rosston, Oklahoma.
What county is ZIP code 73855 in?
ZIP code 73855 falls within Harper County, Oklahoma.
Does ZIP code 73855 have a large retiree population?
67% of households in ZIP code 73855 receive Social Security income, suggesting a significant retiree or disability population.
What is the poverty rate in ZIP code 73855?
31% of residents in ZIP code 73855 live below the poverty line, above the national average.
Does ZIP code 73855 have an older population?
31% of residents in ZIP code 73855 are 65 or older, above the national average of ~17%.
What is the typical home value in ZIP code 73855?
The median home value in ZIP code 73855 is $185,200.
What timezone is ZIP code 73855 in?
ZIP code 73855 observes the CST timezone.