US ZIP Code
73855

Rosston, OK

Harper County  ·  Oklahoma

● Active
👥 204 Population ↑ 134% since 2019
💰 $51,818 Median HH Income
▼ 32% below avg
🎂 35.6 Median Age ↓ 10% since 2019
🏠 $175,000 Median Home Value
▼ 37% below avg ↑ 75% since 2019
🎓 44.7% College Grads
▲ 15% above avg
📊 0.0% Unemployment
▼ 100% below avg ↓ 100% since 2019
ZIP Code Details
ZIP Code73855
CityRosston
StateOklahoma (OK)
CountyHarper County
Area Code580
Elevation2,143 ft
Latitude36.874731
Longitude-99.853036
TimezoneChicago (DST)
FIPS40059
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 48.0% (98) Female 52.0% (106) ♀

Race & Ethnicity

White: 76.5%Hispanic: 22.1%Other: 1.5%Race
White76.5%
Hispanic22.1%
Other1.5%

Age Breakdown

Under 5
6%
5–17
13%
18–24
25%
25–44
22%
45–64
6%
65+
2%

Key Indicators

Median Age35.6 yrs ↓ 10% since 2019
Avg Household Size2.76
Below Poverty28.4% ▲ 184% above avg
College Grads44.7% ▲ 15% above avg
Unemployment0.0% ▼ 100% below avg
HS Graduate29 (25.4%)
Some College11 (9.6%)
Associates23 (20.2%)
Graduate Degree51 (44.7%)

Education

HS Grad: 25.4%Some College: 9.6%Associates: 20.2%Graduate: 44.7%Edu
HS Grad25.4%
Some College9.6%
Associates20.2%
Graduate44.7%
Housing & Income

Housing Tenure

Owner: 70.3%Renter: 29.7%Tenure
Owner70.3%
Renter29.7%

Home Value Distribution

Under $50k
6%
$50k–100k
12%
$100k–150k
29%
$150k–200k
17%
$200k–300k
37%

Financials

Median HH Income$51,818 ▼ 32% below avg
Median Home Value$175,000 ▼ 37% below avg ↑ 75% since 2019
Home/Income Ratio3.4x (nat avg ~3.5x)
Total Units98
Vacant Units24
Avg HH Size2.76

Income Distribution

Under $25k
30%
$25k–50k
9%
$50k–75k
34%
$75k–100k
1%
$100k–150k
26%
Employment & Commute

How People Get to Work

Drove Alone
100%

Commute Time

Under 15 min
66%
15–30 min
33%
Over 45 min
1%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
20%
1960s–1970s
4%
1980s–1990s
8%
2000+
67%

Summary

Total Units98
Vacant24
Owner Occupied70.3%
Renter Occupied29.7%
Avg HH Size2.76
Frequently Asked Questions
ZIP code 73855 is in Rosston, OK, in Harper County.
ZIP code 73855 is located in Oklahoma (OK).
ZIP code 73855 is in Harper County, OK.
ZIP 73855 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 73855 is 204 people (ACS 2023).
The median household income in ZIP code 73855 is $51,818 (ACS 2023).
The median home value in ZIP 73855 is $175,000 (ACS 2023).
About ZIP Code 73855

ZIP code 73855 is located in Rosston, Oklahoma, within Harper County. With a population of 204, this is a sparsely populated ZIP code with a relatively young community — the median age is 35.6 years. Economically, 73855 is a working-class ZIP code: the median household income of $51,818 is below the national average.

Real estate in ZIP code 73855 represents an affordable housing market. The median home value of $175,000 is below the national average. Homeownership is strong here — 70.3% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 75% since 2019.

The population of 73855 is primarily White (76.47%). Residents are well-educated — 44.7% hold a bachelor's degree or higher, which is above the national average. Poverty affects a significant share of residents at 28.4%.

Overall, ZIP code 73855 in Rosston, OK is characterized as working-class, well-educated, a relatively young community, and predominantly owner-occupied. With 204 residents, a median household income of $51,818, and a median home value of $175,000, it offers a clear picture of life in this part of Oklahoma.