Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — STATE/MO/COUNTY/SULLIVAN

Sullivan County, MO ZIP codes

There are 7 ZIP codes in Sullivan County, MO, in 7 towns, from 63545 to 64667. The largest are 63556 (Milan), 63545 (Green City) and 64630 (Browning). 1 more crosses into it from a neighbouring county: 63544.

The county seat is Milan.

ZIP codes
7
Partly in it
1 more
Towns
7
County seat
Milan
County FIPS
29211
Population
5,857
Median household income
$56,964
Land area
648 sq mi

Sullivan County ZIP codes by town

Milan (county seat)
63556

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

ZIP codes partly in Sullivan County

This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Sullivan County.

Map of Sullivan County ZIP codes

63545635566356064630646456464664667

The ZIP codes of Sullivan County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Sullivan County in numbers

About 5,857 people live in Sullivan County, in 2,040 households, the 106th most populous of Missouri's 115 counties. The median household income is $56,964 a year, 19% below the Missouri median of $70,702 (US: $80,734). The median owner-occupied home is valued at $115,600 (50% below the Missouri median), and median gross rent is $673 a month. The median age is 44.1; 15.5% of adults 25 and over hold a bachelor's degree or higher (32.4% across Missouri); the average commute takes 20 minutes.

Population5,857Sullivan5,857
Households2,040Sullivan2,040
Median age44.1Sullivan44.1Missouri39.0US 38.9
Median household income$56,964Sullivan$56,964Missouri$70,702US $80,734
Median home value$115,600Sullivan$115,600Missouri$230,300US $332,700
Median gross rent$673Sullivan$673Missouri$1,033US $1,413
Bachelor's degree or higher15.5%Sullivan15.5%Missouri32.4%US 35.7%
Mean commute19.6 minSullivan19.6 minMissouri23.5 minUS 26.4 min
Population density9 / sq miSullivan9 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Sullivan County

Largest towns in Sullivan County
TownZIP codesPopulation
Milan 1 1,859
Green City 1 658
Browning 1 224
Humphreys 1 137
Newtown 1 109
Harris 1 38
Pollock 1 7

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Sullivan County.

Not sure you are in Sullivan County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Sullivan County, with figures

ZIP codes in Sullivan County
ZIP City Type Population Median income Median home
63545 Green City , MO Standard 968 $40,104 $156,300
63556 Milan , MO Standard 3,196 $58,851 $124,100
63560 Pollock , MO Standard 61 $56,607 —
64630 Browning , MO Standard 495 $57,813 $148,100
64645 Harris , MO Standard 195 $53,125 —
64646 Humphreys , MO Standard 471 $68,125 —
64667 Newtown , MO Standard 255 $47,841 $90,000

Cite this page

zipcodes.pro. “Sullivan County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/mo/county/sullivan

Underlying data is public domain or openly licensed — sources, vintages and licences.