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County ZIP codes · Michigan · FIPS 26079

Kalkaska County, MI ZIP Codes

Kalkaska County, Michigan has 8 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 4 of the residential ones lie mainly in Kalkaska County and 4 mainly in a neighboring county; 6 cross the county line. Median household income ranges from $59,708 in 49738 (Grayling) to $108,712 in 49690 (Williamsburg) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Kalkaska County?

49612 · Alden: $85k49633 · Fife Lake: $74k49646 · Kalkaska: $65k49659 · Mancelona: $62k49676 · Rapid City: $76k49680 · South Boardman: $77k49690 · Williamsburg: $109k49738 · Grayling: $60k497384964649633496594969049676496804961249612 · Alden: $85k49633 · Fife Lake: $74k49646 · Kalkaska: $65k49659 · Mancelona: $62k49676 · Rapid City: $76k49680 · South Boardman: $77k49690 · Williamsburg: $109k49738 · Grayling: $60k4973849646496334965949690496764968049612 · Alden: $85k49633 · Fife Lake: $74k49646 · Kalkaska: $65k49659 · Mancelona: $62k49676 · Rapid City: $76k49680 · South Boardman: $77k49690 · Williamsburg: $109k49738 · Grayling: $60k49738496464963349659496904967649680
The residential ZIP codes of Kalkaska County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $62,308 and $77,216.

They carry 8 postal town names: Grayling, Kalkaska, Mancelona, Williamsburg, Rapid City, Fife Lake, South Boardman, Alden.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 8 residential ZIP codes in Kalkaska County

4 ZIP codes lie mainly in Kalkaska County; 4 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Kalkaska County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
49646 Kalkaska 8,852 40 $65k $182k 100%
49676 Rapid City 3,620 88 $76k $269k 71%
49633 Fife Lake 3,410 20 $74k $190k 73%
49680 South Boardman 2,206 40 $77k $168k 100%

Partly in Kalkaska County

Residential ZIP codes mainly in another county that reach at least 1% into Kalkaska County, by their share here
In this county
49612 Alden 1,220 49 $85k $271k 50%
49659 Mancelona 7,140 41 $62k $169k 25%
49690 Williamsburg 6,657 80 $109k $352k 17%
49738 Grayling 9,696 29 $60k $169k 4%

Download the 8 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

6 ZIP codes of Kalkaska County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Kalkaska County and in the neighboring counties
ZIPIn KalkaskaElsewhere
497384%Crawford County 94%; Otsego County 2%
4965925%Antrim County 75%
4969017%Grand Traverse County 80%; Antrim County 3%
4967671%Antrim County 29%
4963373%Grand Traverse County 18%; Wexford County 6%; Missaukee County 4%
4961250%Antrim County 50%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

Which first three digits do Kalkaska County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Kalkaska County's ZIP codes use 2 prefixes: 496 and 497.

Three-digit prefixes of Kalkaska County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Kalkaska County's
PrefixSectional centerHereAll codes
496 Traverse City, MI (SCF 496) 7 70
497 Traverse City, MI (SCF 496) 1 76

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.