ZIP Codes of Johnston County, OK

Population & People
Population & People
Total Population
10,809
Household Income
Household Income
Median Income
$58,163
Housing
Housing
Total Housing Units
4,963
Business & Economy
Business & Economy
Total Businesses
178
Employment
Employment
Employment Rate
48.94%
Education
Education
Bachelor's Degree+
19.92%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 10 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:10 ZIP Codes (7 Standard, 3 PO Box, 0 Unique) [See All]
Area Code:580
Timezone:Central (GMT -06:00)
Local Time:11:54:44 PM
Population:10,809 [See All]
FIPS:40069
Land Area:695 sq mi
Water Area:16 sq mi
Coordinates:34.3112, -96.6043
Quick Link:
https://www.zip-codes.com/county/ok-johnston.asp
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Oklahoma's #54 most populous county
10,809 residents across 10 ZIPs — #54 of 78 Oklahoma counties.

Standout ZIPs in this County


Most Populous
Tishomingo · 4,240 people
39.2% of county total
Highest Income
Connerville · $90,889 median
1.6× county average
Largest Land Area
Tishomingo · 161.2 sq mi
Spans the most ground
Fastest Growth
Milburn · 12.9% (10-yr)
1,384 → 1,562 residents
Most Educated
Tishomingo · 23.3% bachelor's+
631 of 2,712 adults 25+

Things worth knowing about Johnston County


10,809 residents live across 10 ZIPs covering 695 sq mi, served by 10 distinct USPS-recognized cities.

Population moved from 11,471 to 10,809 from 2014 to 2024 — a -5.8% change. 4 ZIPs gained residents, 6 lost.

The county's wealthiest ZIP 74836 (Connerville, $90,889 median) and poorest ZIP 73460 (Tishomingo, $46,875) are 12.3 miles apart — a 1.9× income gap across local geography.

Median home values vary 3.2× across this county — from $67,600 in 74530 (Bromide) to $215,800 in 74836 (Connerville).

Density varies 631× across the county — from 5 people/sq mi in 74856 (Mill Creek) to 3,331 in 73455 (Ravia).

Educational attainment ranges from 6.0% bachelor's+ in 73455 (Ravia) to 57.6% in 74836 (Connerville) — the breadth of educational profiles across the area.

Within Oklahoma, this is the #54 most populous of 78 counties and ranks #45 for median household income .

Weighted by population, the typical household earns about $52,759 across the county — reflecting what a typical resident sees, not a simple ZIP average.

19.9% of adults age 25+ hold a bachelor's degree or higher (1,429 of 7,174 reporting).

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

Stories about Johnston 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
695
square miles
Avg density
15.6
people per sq mi
Population
10,809
across 10 ZIPs
Tishomingo
161.2 sq mi
4,240 residents
Mill Creek
159.4 sq mi
842 residents
Milburn
109.9 sq mi
1,562 residents

Population decline

Johnston County lost 5.8% of residents between 2014 and 2024. ZIPs that shed the largest share:

Coleman
-16.1%
1,028 → 862 residents
Mannsville
-12.7%
1,248 → 1,090 residents

All ZIP Codes in Johnston County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
73460TishomingoStandard4,240$46,875161.2-9.6%
73450MilburnStandard1,562$57,791109.912.9%
73447MannsvilleStandard1,090$49,90471.1-12.7%
73432ColemanStandard862$61,25062.5-16.1%
74856Mill CreekStandard842$59,896159.48.9%
73461WapanuckaStandard710$49,46470.9-9.6%
73455RaviaPO Box590$62,1880.21.7%
74748KeneficStandard572$47,12545.32.7%
74530BromidePO Box177$56,25014.4-28.0%
74836ConnervillePO Box164$90,8890.2-8.9%

Adjacent & Nearby Counties