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County ZIP codes · Michigan · FIPS 26023

Branch County, MI ZIP Codes

Branch County, Michigan has 13 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 6 of the residential ones lie mainly in Branch County and 7 mainly in a neighboring county; 10 cross the county line. Median household income ranges from $55,762 in 49252 (Litchfield) to $74,063 in 49082 (Quincy) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Branch County?

49011 · Athens: $60k49028 · Bronson: $60k49030 · Burr Oak: $69k49036 · Coldwater: $62k49040 · Colon: $64k49082 · Quincy: $74k49089 · Sherwood: $69k49092 · Tekonsha: $64k49094 · Union City: $65k49245 · Homer: $62k49252 · Litchfield: $56k49255 · Montgomery: $51k49274 · Reading: $58k4903649028490824927449245490304909449255490924904049252490114908949011 · Athens: $60k49028 · Bronson: $60k49030 · Burr Oak: $69k49036 · Coldwater: $62k49040 · Colon: $64k49082 · Quincy: $74k49089 · Sherwood: $69k49092 · Tekonsha: $64k49094 · Union City: $65k49245 · Homer: $62k49252 · Litchfield: $56k49255 · Montgomery: $51k49274 · Reading: $58k4903649028490824927449245490304909449255490924904049252490114908949011 · Athens: $60k49028 · Bronson: $60k49030 · Burr Oak: $69k49036 · Coldwater: $62k49040 · Colon: $64k49082 · Quincy: $74k49089 · Sherwood: $69k49092 · Tekonsha: $64k49094 · Union City: $65k49245 · Homer: $62k49252 · Litchfield: $56k49255 · Montgomery: $51k49274 · Reading: $58k490364902849082492744924549030490944925549092490404925249011
The residential ZIP codes of Branch 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 $59,722 and $65,404.

They carry 13 postal town names.

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

All 13 residential ZIP codes in Branch County

6 ZIP codes lie mainly in Branch County; 7 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Branch County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
49036 Coldwater 24,826 161 $62k $168k 100%
49082 Quincy 6,678 79 $74k $177k 93%
49028 Bronson 5,811 50 $60k $152k 100%
49094 Union City 3,778 67 $65k $144k 78%
49089 Sherwood 2,154 57 $69k $129k 100%
49255 Montgomery 2,072 52 $51k $141k 61%

Partly in Branch County

Residential ZIP codes mainly in another county that reach at least 1% into Branch County, by their share here
In this county
49092 Tekonsha 1,908 33 $64k $156k 28%
49040 Colon 3,384 82 $64k $170k 27%
49274 Reading 3,679 60 $58k $171k 16%
49030 Burr Oak 2,650 54 $69k $138k 14%
49011 Athens 2,236 74 $60k $159k 9%
49252 Litchfield 2,556 60 $56k $145k 8%
49245 Homer 4,547 49 $62k $153k 2%

Download the 13 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?

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

Share of each ZIP code's land in Branch County and in the neighboring counties
ZIPIn BranchElsewhere
4908293%Hillsdale County7%
492452%Calhoun County96%; Jackson County2%
4909478%Calhoun County22%
4927416%Hillsdale County84%
4904027%St. Joseph County73%
4903014%St. Joseph County86%
492528%Hillsdale County81%; Jackson County7%; Calhoun County5%
490119%Calhoun County89%; St. Joseph County2%
4925561%Hillsdale County39%
4909228%Calhoun County72%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Branch County's ZIP codes use 2 prefixes: 490 and 492.

Three-digit prefixes of Branch 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 Branch County's
PrefixSectional centerHereAll codes
490Grand Rapids, MI (SCF 493)992
492Detroit, MI (SCF 481)462

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