ZIP Codes of Garfield County, OK

Population & People
Population & People
Total Population
62,102
Household Income
Household Income
Median Income
$81,685
Housing
Housing
Total Housing Units
27,818
Business & Economy
Business & Economy
Total Businesses
1,529
Employment
Employment
Employment Rate
59.12%
Education
Education
Bachelor's Degree+
23.21%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 17 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:17 ZIP Codes (14 Standard, 3 PO Box, 0 Unique) [See All]
Area Code:580
Timezone:Central (GMT -06:00)
Local Time:2:13:24 PM
Population:62,102 [See All]
FIPS:40047
CBSA:Enid, OK
Land Area:945 sq mi
Water Area:1 sq mi
Coordinates:36.3923, -97.8384
Quick Link:
https://www.zip-codes.com/county/ok-garfield.asp
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Among Oklahoma's 5 wealthiest counties
#5 statewide, average median income $81,685.
Wide geographic spread
ZIPs range from 141.7 sq mi down to 0.73 — a 195× sprawl ratio.

Standout ZIPs in this County


Most Populous
Enid · 30,556 people
49.2% of county total
Highest Income
Drummond · $112,000 median
1.4× county average
Largest Land Area
Enid · 141.7 sq mi
Spans the most ground
Fastest Growth
Enid · 9.6% (10-yr)
27,884 → 30,556 residents
Most Educated
Enid · 31.7% bachelor's+
6,307 of 19,882 adults 25+

Things worth knowing about Garfield County


62,102 residents live across 17 ZIPs covering 945 sq mi, served by 13 distinct USPS-recognized cities.

Population moved from 61,515 to 62,102 from 2014 to 2024 — a +1.0% change. 4 ZIPs gained residents, 10 lost (and 1 held flat).

The county's wealthiest ZIP 73735 (Drummond, $112,000 median) and poorest ZIP 73701 (Enid, $50,843) are 17.6 miles apart — a 2.2× income gap across local geography.

Median home values vary 2.6× across this county — from $100,900 in 73701 (Enid) to $258,800 in 73736 (Fairmont).

Density varies 132× across the county — from 4 people/sq mi in 74640 (Hunter) to 495 in 73705 (Enid).

Most of the decade's growth concentrated around Enid — top growth ZIPs averaged +12.3% over the past ten years ( 73705 , 73703 and 74640 ).

Educational attainment ranges from 13.0% bachelor's+ in 73701 (Enid) to 31.7% in 73703 (Enid) — the breadth of educational profiles across the area.

Within Oklahoma, this is the #12 most populous of 78 counties and ranks #5 for median household income .

Weighted by population, the typical household earns about $65,584 across the county — reflecting what a typical resident sees, not a simple ZIP average.

23.2% of adults age 25+ hold a bachelor's degree or higher (9,379 of 40,409 reporting).

14 Standard delivery, 3 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Garfield County


Big & sparse

A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.

Total area
945
square miles
Avg density
65.7
people per sq mi
Population
62,102
across 17 ZIPs
Enid
141.7 sq mi
24,476 residents
Garber
97.1 sq mi
1,012 residents
Waukomis
97.0 sq mi
1,623 residents

All ZIP Codes in Garfield County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
73703EnidStandard30,556$73,33395.49.6%
73701EnidStandard24,476$50,843141.7-5.3%
73773WaukomisStandard1,623$78,25097.0-17.0%
73754LahomaStandard1,043$95,62557.3-8.4%
73738GarberStandard1,012$79,64397.1-5.5%
73735DrummondStandard623$112,00036.70.0%
73730CovingtonStandard598$56,87554.7-15.9%
73736FairmontStandard42461.02.4%
73753KremlinStandard378$102,00072.4-9.8%
73705EnidStandard3590.720.5%
74640HunterStandard327$88,33386.96.9%
73733DouglasStandard221$100,81357.2-2.2%
73720BisonStandard221$97,18855.1-7.9%
73727CarrierStandard15231.9-35.3%
73743HillsdalePO Box89$45,3130.1-38.2%
73702EnidPO Box0.0
73706EnidPO Box0.0

Adjacent & Nearby Counties