ZIP Codes of Caddo County, OK

Population & People
Population & People
Total Population
28,427
Household Income
Household Income
Median Income
$57,304
Housing
Housing
Total Housing Units
12,812
Business & Economy
Business & Economy
Total Businesses
476
Employment
Employment
Employment Rate
50.26%
Education
Education
Bachelor's Degree+
15.71%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 13 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:13 ZIP Codes (11 Standard, 2 PO Box, 0 Unique) [See All]
Area Codes:405 / 572 / 580
Timezone:Central (GMT -06:00)
Local Time:2:13:23 PM
Population:28,427 [See All]
FIPS:40015
Land Area:1,460 sq mi
Water Area:16 sq mi
Coordinates:35.1782, -98.3739
Quick Link:
https://www.zip-codes.com/county/ok-caddo.asp
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Notable population decline
Lost 12.6% of residents since 2014.

Standout ZIPs in this County


Most Populous
Anadarko · 7,558 people
26.6% of county total
Highest Income
Lookeba · $76,591 median
1.3× county average
Largest Land Area
Carnegie · 225.0 sq mi
Spans the most ground
Fastest Growth
Hinton · 24.7% (10-yr)
5,206 → 6,493 residents
Most Educated
Hydro · 23.3% bachelor's+
356 of 1,528 adults 25+

Things worth knowing about Caddo County


28,427 residents live across 13 ZIPs covering 1,460 sq mi, served by 13 distinct USPS-recognized cities.

Population moved from 32,517 to 28,363 from 2014 to 2024 — a -12.8% change. 4 ZIPs gained residents, 8 lost.

The county's wealthiest ZIP 73053 (Lookeba, $76,591 median) and poorest ZIP 73005 (Anadarko, $46,176) are 22.5 miles apart — a 1.7× income gap across local geography.

Median home values vary 2.0× across this county — from $85,800 in 73033 (Eakly) to $174,700 in 73048 (Hydro).

Density varies 12265× across the county — from 9 people/sq mi in 73053 (Lookeba) to 108,431 in 73033 (Eakly).

Educational attainment ranges from 8.2% bachelor's+ in 73017 (Cement) to 26.9% in 73029 (Cyril) — the breadth of educational profiles across the area.

Within Oklahoma, this is the #32 most populous of 78 counties and ranks #46 for median household income .

Weighted by population, the typical household earns about $55,001 across the county — reflecting what a typical resident sees, not a simple ZIP average.

15.7% of adults age 25+ hold a bachelor's degree or higher (3,059 of 19,467 reporting).

11 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Caddo 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
1,460
square miles
Avg density
19.5
people per sq mi
Population
28,427
across 13 ZIPs
Carnegie
225.0 sq mi
2,240 residents
Hydro
195.2 sq mi
2,149 residents
Anadarko
179.6 sq mi
7,558 residents

Population decline

Caddo County lost 12.6% of residents between 2014 and 2024. ZIPs that shed the largest share:

Apache
-39.6%
4,014 → 2,424 residents
Cement
-28.6%
1,892 → 1,351 residents
Binger
-26.4%
1,189 → 875 residents
Fort Cobb
-25.4%
1,987 → 1,483 residents
Carnegie
-21.5%
2,854 → 2,240 residents

All ZIP Codes in Caddo County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
73005AnadarkoStandard7,558$46,176179.6-21.1%
73047HintonStandard6,493$63,784158.424.7%
73006ApacheStandard2,424$51,563171.8-39.6%
73015CarnegieStandard2,240$46,806225.0-21.5%
73048HydroStandard2,149$58,000195.27.1%
73029CyrilStandard1,525$64,42342.4-5.0%
73038Fort CobbStandard1,483$57,500143.6-25.4%
73017CementStandard1,351$46,68376.4-28.6%
73042GracemontStandard1,009$55,556100.81.5%
73009BingerStandard875$59,62587.4-26.4%
73053LookebaStandard703$76,59179.5-6.3%
73033EaklyPO Box553$60,9380.027.4%
73001AlbertPO Box640.0

Adjacent & Nearby Counties