Residential delivery area · Iowa

ZIP Code 51334: Estherville, IA

ZIP code 51334 uses the postal name Estherville, Iowa and lies mostly in Emmet County (89% of its land) with the rest in Dickinson County (Census 2020 ZIP-county file). About 7,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $57,482 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Estherville (3%) and Gruver (under 1%); 97% is outside any Census place.

  • ACS2020-24
  • Census2020
  • FHFA2025
  • ZBP2023
  • IRS2022
5national area: Iowa, Minnesota, Montana, North Dakota, South Dakota and Wisconsin
513sectional center: Sioux Falls, SD (SCF 570)
34delivery area within it
Town
Estherville · its only residential ZIP
County
Emmet County (89%); Dickinson County (11%)
Census places
Estherville (3%); Gruver (under 1%)
House district
IA-4 119th Congress
State
Iowa
Time zone
Central
Land area
186.2 sq mi · 37 people per sq mi

Where is ZIP code 51334?

51334 centers on 43.404°, -94.804° and covers 186.2 square miles of land plus 2.6 of water. It borders 11 ZIP codes: 51365, 51363, 56127, 50531, 51364, 51342, 51360, 50578, 50514, 56111 and more.

50514 · Armstrong50531 · Dolliver50578 · Ringsted51342 · Graettinger51360 · Spirit Lake51363 · Superior51364 · Terril51365 · Wallingford56111 · Alpha56127 · Dunnell56143 · Jackson51334 · Estherville (this ZIP)513345614351360505145134250578561115136456127505315136550514 · Armstrong50531 · Dolliver50578 · Ringsted51342 · Graettinger51360 · Spirit Lake51363 · Superior51364 · Terril51365 · Wallingford56111 · Alpha56127 · Dunnell56143 · Jackson51334 · Estherville (this ZIP)513345614351360505145134250578561115136456127505315136550514 · Armstrong50531 · Dolliver50578 · Ringsted51342 · Graettinger51360 · Spirit Lake51363 · Superior51364 · Terril51365 · Wallingford56111 · Alpha56127 · Dunnell56143 · Jackson51334 · Estherville (this ZIP)51334561435136050514513425057851364561275053151365
Shaded by median household income, in national fifths (ACS 2020-2024); 51334 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 51334, open its center on OpenStreetMap.

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).

How does 51334 compare with the rest of Emmet County?

Rank of 51334 among the residential ZIP codes of its town, county and state (1 = the most; income and home value among ZIP codes of 1,000+ people living in households)
Measure51334In Emmet CountyIn IA
People (ACS 2020-2024)6,9601st of 7113th of 970
Median household income$58k3rd of 3372nd of 396
Median home value$112k1st of 2406th of 423

Its median household income is higher than in 25% of U.S. residential ZIP codes, and it is denser than 37% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).

How many people live in 51334?

The 2020 Census counted 7,105 people in 51334; the ACS, which samples households over 2020-2024, estimates 6,960. Between the 2010 and 2020 censuses its population fell 7.3% (its boundary stayed at least 90% the same).

People, ACS 2020-2024
6,960
2020 Census count
7,105−7.3% since 2010 (7,661)
Households
3,017
Median age
41.5

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).

Who lives in 51334?

Of the 6,960 people the ACS estimates in 51334, 18.5% are under 18 and 22.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (83.9%), then Hispanic or Latino (11.8%).

  • Under 1818.5%
  • 18 to 6458.5%
  • 65 and older22.9%
Age of the people of 51334 (ACS 2020-2024, B01001)
  • White, not Hispanic83.9%
  • Hispanic or Latino11.8%
  • Other or two or more2.4%
  • Black, not Hispanic1.7%
  • Asian, not Hispanic0.3%
Race and Hispanic origin in 51334 (ACS 2020-2024, B03002); each person counted once

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.

What do households in 51334 earn?

Median household income is $57,482 (ACS 2020-2024), the 3rd highest of the 3 ranked ZIP codes in Emmet County. It is not measurably different from 2015-2019 ($66,000 in 2024 dollars): the change is within the surveys' margins of error.

Median household income
$57,482±$9,845
Income per person
$35,624
Below the poverty line
10.8%
Unemployed (of the labor force)
1.5%
Adults 25+ with a bachelor's degree
15.2%
Adjusted gross income per tax return, 2022
$62,3043,280 returns; wages 66% of AGI (IRS)

Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).

What are homes worth in 51334?

FHFA's house price index for 51334, built from repeat sales and appraisals of the same homes, rose 54% from 2015 to 2025 and rose 41% from 2020 to 2025, and moved +1.7% in 2025.

Median home value (owners' estimate)
$112,000
Median gross rent
$755
Homes owned by their occupants
77.4%
Housing units
3,309
0 50 100 150 200 250 1998201020202025 0 50 100 150 200 250 1998201020202025 0 50 100 150 200 250 1998201020202025
Index = 100 in 1998, the first year FHFA reports for 51334; 2025: 248.9. Annual, not seasonally adjusted; FHFA calls its ZIP-level indexes developmental.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.

What businesses are in 51334?

207 business establishments had a location in this ZIP code in 2023, 20 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).

  • Retail trade31
  • Other services (except public administration)28
  • Construction26
  • Transportation and warehousing22
  • Health care and social assistance19
  • Professional, scientific, and technical services16

Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).

Which ZIP codes are next to 51334?

ZIP codes that share a boundary with 51334, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
51365Wallingford416$72k7.4 mi
51363Superior111$76k7.5 mi
56127Dunnell, MN474$42k10.1 mi
50531Dolliver325$93k10.3 mi
51364Terril803$67k10.8 mi
51342Graettinger1,385$85k11.3 mi
51360Spirit Lake8,653$76k14.3 mi
50578Ringsted633$72k14.4 mi
50514Armstrong1,117$73k16.6 mi
56111Alpha, MN356$98k17.0 mi
56143Jackson, MN4,509$71k18.4 mi
56121Ceylon, MN590$49k14.2 mi (near)

Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.