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County ZIP codes · Ohio · FIPS 39039

Defiance County, OH ZIP Codes

Defiance County, Ohio has 15 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 8 of the residential ones lie mainly in Defiance County and 7 mainly in a neighboring county; 9 cross the county line. Median household income ranges from $58,578 in 43517 (Edgerton) to $71,841 in 43512 (Defiance) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Defiance County?

43506 · Bryan: $60k43512 · Defiance: $72k43517 · Edgerton: $59k43519 · Evansport: $78k43520 · Farmer: –43526 · Hicksville: $67k43527 · Holgate: $59k43530 · Jewell: –43536 · Mark Center: $69k43548 · New Bavaria: $97k43549 · Ney: $84k43556 · Sherwood: $73k45813 · Antwerp: $65k45821 · Cecil: $77k45831 · Continental: $72k43512435064583143526435174581343527458214355643548435494353643506 · Bryan: $60k43512 · Defiance: $72k43517 · Edgerton: $59k43519 · Evansport: $78k43520 · Farmer: –43526 · Hicksville: $67k43527 · Holgate: $59k43530 · Jewell: –43536 · Mark Center: $69k43548 · New Bavaria: $97k43549 · Ney: $84k43556 · Sherwood: $73k45813 · Antwerp: $65k45821 · Cecil: $77k45831 · Continental: $72k43512435064583143526435174581343527458214355643548435494353643506 · Bryan: $60k43512 · Defiance: $72k43517 · Edgerton: $59k43519 · Evansport: $78k43520 · Farmer: –43526 · Hicksville: $67k43527 · Holgate: $59k43530 · Jewell: –43536 · Mark Center: $69k43548 · New Bavaria: $97k43549 · Ney: $84k43556 · Sherwood: $73k45813 · Antwerp: $65k45821 · Cecil: $77k45831 · Continental: $72k4351243506458314352643517458134352745821435564354843549
The residential ZIP codes of Defiance 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 $58,821 and $66,912.

They carry 15 postal town names.

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

All 15 residential ZIP codes in Defiance County

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

Residential ZIP codes mainly in Defiance County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
43512 Defiance 28,022 129 $72k $159k 93%
43526 Hicksville 6,464 85 $67k $168k 93%
43556 Sherwood 1,670 52 $73k $196k 100%
43549 Ney 1,317 45 $84k $180k 100%
43536 Mark Center 338 20 $69k $133k 100%
43519 Evansport 257 200 $78k $115k 100%
43520 Farmer no residents 0 – – 100%
43530 Jewell no residents 0 – – 100%

Partly in Defiance County

Residential ZIP codes mainly in another county that reach at least 1% into Defiance County, by their share here
In this county
43517 Edgerton 3,442 54 $59k $137k 41%
43506 Bryan 14,734 142 $60k $162k 18%
43548 New Bavaria 832 34 $97k $175k 12%
43527 Holgate 2,151 43 $59k $136k 9%
45821 Cecil 759 19 $77k $118k 3%
45831 Continental 3,233 43 $72k $168k 2%
45813 Antwerp 3,719 66 $65k $157k 2%

Download the 15 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?

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

Share of each ZIP code's land in Defiance County and in the neighboring counties
ZIPIn DefianceElsewhere
4351293%Paulding County 6%; Henry County 1%
4350618%Williams County 82%
4352693%Paulding County 7%
458132%Paulding County 98%
4351741%Williams County 59%
458312%Putnam County 97%
435279%Henry County 91%
4354812%Henry County 86%; Putnam County 1%
458213%Paulding County 97%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Defiance County's ZIP codes use 2 prefixes: 435 and 458.

Three-digit prefixes of Defiance 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 Defiance County's
PrefixSectional centerHereAll codes
435 Toledo, OH (SCF 434) 12 55
458 Columbus, OH (SCF 430) 3 85

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