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zipcodes.pro — STATE/IN/COUNTY/GRANT

Grant County, IN ZIP codes

There are 12 ZIP codes in Grant County, IN, in 11 towns, from 46919 to 46991. The largest are 46952 (Marion), 46953 (Marion) and 46933 (Gas City).

The county seat is Marion.

ZIP codes
12
Towns
11
County seat
Marion
County FIPS
18053
State
Indiana
Population
66,295
Median household income
$53,522
Land area
414 sq mi
Area code
765
Metro area
Marion

Grant County ZIP codes by town

Marion (county seat)
46952, 46953

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.

Map of Grant County ZIP codes

469194692846930469334693846952469534695746986469874698946991

The ZIP codes of Grant 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.

Grant County in numbers

About 66,295 people live in Grant County, in 26,773 households, the 26th most populous of Indiana's 92 counties. The median household income is $53,522 a year, 26% below the Indiana median of $71,957 (US: $80,734). The median owner-occupied home is valued at $122,300 (44% below the Indiana median), and median gross rent is $853 a month. The median age is 38.7; 20.3% of adults 25 and over hold a bachelor's degree or higher (29.5% across Indiana); the average commute takes 22 minutes.

Population66,295Grant66,295
Households26,773Grant26,773
Median age38.7Grant38.7Indiana38.1US 38.9
Median household income$53,522Grant$53,522Indiana$71,957US $80,734
Median home value$122,300Grant$122,300Indiana$218,200US $332,700
Median gross rent$853Grant$853Indiana$1,062US $1,413
Bachelor's degree or higher20.3%Grant20.3%Indiana29.5%US 35.7%
Mean commute22.0 minGrant22.0 minIndiana24.1 minUS 26.4 min
Population density160 / sq miGrant160 / 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 Grant County

Largest towns in Grant County
TownZIP codesPopulation
Marion 2 27,531
Gas City 1 6,076
Upland 1 3,918
Fairmount 1 2,662
Jonesboro 1 1,578
Sweetser 1 1,061
Swayzee 1 846
Converse 1 813
Van Buren 1 782
Matthews 1 501
Fowlerton 1 185

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 Grant County.

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

Every ZIP code in Grant County, with figures

ZIP codes in Grant County
ZIP City Type Population Median income Median home
46919 Converse , IN Standard 1,968 $83,664 $193,300
46928 Fairmount , IN Standard 4,553 $67,412 $126,300
46930 Fowlerton , IN Standard 185 $52,679 $91,900
46933 Gas City , IN Standard 6,536 $56,786 $120,700
46938 Jonesboro , IN Standard 2,494 $45,884 $98,800
46952 Marion , IN Standard 18,189 $52,880 $146,700
46953 Marion , IN Standard 23,372 $46,288 $89,200
46957 Matthews , IN Standard 443 $49,444 $79,500
46986 Swayzee , IN Standard 1,617 $79,438 $162,600
46987 Sweetser , IN Standard 1,055 $80,893 $152,500
46989 Upland , IN Standard 5,385 $82,074 $219,400
46991 Van Buren , IN Standard 1,594 $47,692 $110,600

Cite this page

zipcodes.pro. “Grant County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/in/county/grant

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