Grant County, OR ZIP Codes

12 ZIP codes cover all or part of Grant County, Oregon. The Census Bureau counts 7,209 residents in the county, with a median household income of $59,450 and a median home value of $229,700. Median household income ranges from $67,115 in 97820 to $68,036 in 97845. Its largest communities include John Day, Canyon City, Prairie City, Mount Vernon and Dayville.

Grant County (Census county figures)

MeasureCensus figure
Residents7,209
Households3,444
Median household income$59,450
Median home value$229,700
Median age50.4
Median rent$789

All 12 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)7,641
Households (sum of ZIP codes)3,673
Median household income, range across ZIP codes$67,115 (97820) to $68,036 (97845)
Household-weighted average of ZIP medians (an approximation, not a true median)$67,698
Homeowners77.7%
Households with kids under 1816.7%
Moved in the past year13.1%
Carrier routes in EDDM2GO's route library5 routes, 395 homes (4 of 12 ZIP codes)

Top facts

Every ZIP code in Grant County

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
97845John Day2,2651,099$68,036$248,70064.0%17.8%11.5%——100% of its land
97820Canyon City1,568636$67,115$206,60085.5%23.6%16.9%1239100% of its land
97865Mount Vernon921437$59,247$185,60085.1%7.6%15.0%——100% of its land
97869Prairie City838426$56,875$216,60084.7%21.1%7.2%——92% of its land
97856Long Creek485206$44,318$225,00071.4%18.0%16.6%277100% of its land
97825Dayville347180$67,500$233,60085.0%17.2%2.6%——100% of its land
97864Monument316217$39,202—78.3%5.5%9.2%123100% of its land
97877Sumpter314173$25,662—93.6%12.7%11.7%——66% of its land
97880Ukiah248118——89.0%16.1%17.7%——15% of its land
97848Grant County217100$50,000$391,70072.0%15.0%32.6%19099% of its land
97873Seneca10971$39,821$156,30085.9%11.3%4.7%——100% of its land
97817Greenhorn1310——50.0%0.0%0.0%——100% of its land

A ZIP code is listed for Grant County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.

Cities and communities

Price a mailing to Grant County ZIP codes

EDDM guides

Pick carrier routes on the EDDM route map

Frequently asked questions

What ZIP codes are in Grant County, OR?
97845, 97820, 97865, 97869, 97856, 97825, 97864, 97877, 97880, 97848, 97873 and 97817. Some cross the county line; the table shows each ZIP's share of land in the county.
What is the population of Grant County?
7,209 residents in 3,444 households (ACS 5-year estimates, 2020–2024).
What is the median household income in Grant County?
$59,450 for the county as a whole. Its ZIP codes range from $67,115 (97820) to $68,036 (97845).
Which Grant County ZIP code has the highest median household income?
97845, at $68,036, among ZIP codes with at least 1,000 residents.
How many carrier routes and mailboxes are in Grant County?
For the 4 of 12 ZIP codes in EDDM2GO's stored route library: 5 carrier routes reaching 395 residential and 34 business mailboxes. The route map loads the rest when you search them.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.