Residential delivery area · Iowa

ZIP Code 50635: Gladbrook, IA

ZIP code 50635 uses the postal name Gladbrook, Iowa and lies mostly in Tama County (96% of its land) with the rest in Marshall County (Census 2020 ZIP-county file). About 1,400 people live there (Census Bureau, ACS 2020-2024). Median household income is $81,125 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Gladbrook; 99% is outside any Census place.

  • ACS2020-24
  • Census2020
  • FHFA2023
  • ZBP2023
  • IRS2022
5national area: Iowa, Minnesota, Montana, North Dakota, South Dakota and Wisconsin
506sectional center: Waterloo, IA (SCF 506)
35delivery area within it
Town
Gladbrook · its only residential ZIP
County
Tama County (96%); Marshall County (4%)
Census places
Gladbrook
House districts
IA-2 (96%), IA-4 (4%) 119th Congress, by share of land
State
Iowa
Time zone
Central
Land area
82.8 sq mi · 17 people per sq mi

Where is ZIP code 50635?

50635 centers on 42.202°, -92.697° and covers 82.8 square miles of land plus 0.2 of water. It borders 8 ZIP codes: 50652, 50609, 50632, 50675, 50669, 50638, 52342, 50158.

50158 · Marshalltown50609 · Beaman50632 · Garwin50638 · Grundy Center50652 · Lincoln50669 · Reinbeck50675 · Traer52342 · Toledo50635 · Gladbrook (this ZIP)506355015850675506695063852342506325060950158 · Marshalltown50609 · Beaman50632 · Garwin50638 · Grundy Center50652 · Lincoln50669 · Reinbeck50675 · Traer52342 · Toledo50635 · Gladbrook (this ZIP)506355015850675506695063852342506325060950158 · Marshalltown50609 · Beaman50632 · Garwin50638 · Grundy Center50652 · Lincoln50669 · Reinbeck50675 · Traer52342 · Toledo50635 · Gladbrook (this ZIP)5063550158506755066950638523425063250609
Shaded by median household income, in national fifths (ACS 2020-2024); 50635 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 50635, 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 50635 compare with the rest of Tama County?

Rank of 50635 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)
Measure50635In Tama CountyIn IA
People (ACS 2020-2024)1,4239th of 19364th of 970
Median household income$81k4th of 10163rd of 396
Median home value$155k5th of 11312th of 423

Its median household income is higher than in 63% of U.S. residential ZIP codes, and it is denser than 24% 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 50635?

The 2020 Census counted 1,375 people in 50635; the ACS, which samples households over 2020-2024, estimates 1,423. Between the 2010 and 2020 censuses its population fell 14.2% (its boundary stayed at least 90% the same).

People, ACS 2020-2024
1,423±213 (90% margin)
2020 Census count
1,375−14.2% since 2010 (1,602)
Households
635
Median age
45.6

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 50635?

Of the 1,423 people the ACS estimates in 50635, 21.1% are under 18 and 23.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (94.9%).

  • Under 1821.1%
  • 18 to 6455.3%
  • 65 and older23.6%
Age of the people of 50635 (ACS 2020-2024, B01001)
  • White, not Hispanic94.9%
  • Hispanic or Latino2.4%
  • Black, not Hispanic1.8%
  • Other or two or more0.6%
  • Asian, not Hispanic0.4%
Race and Hispanic origin in 50635 (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 50635 earn?

Median household income is $81,125 (ACS 2020-2024), the 4th highest of the 10 ranked ZIP codes in Tama County. It is not measurably different from 2015-2019 ($76,687 in 2024 dollars): the change is within the surveys' margins of error.

Median household income
$81,125±$9,617
Income per person
$39,910
Below the poverty line
10.7%
Unemployed (of the labor force)
0.5%
Adults 25+ with a bachelor's degree
31.3%
Adjusted gross income per tax return, 2022
$77,973700 returns; wages 55% 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 50635?

Median home value (owners' estimate)
$154,700
Median gross rent
$940
Homes owned by their occupants
80.2%
Housing units
727
0 50 100 150 200 200320102023 0 50 100 150 200 200320102023 0 50 100 150 200 200320102023
Index = 100 in 2003, the first year FHFA reports for 50635; 2023: 160.8. Annual, not seasonally adjusted; FHFA calls its ZIP-level indexes developmental. FHFA's series for 50635 stops in 2023: it publishes no ZIP index for a year with too few repeat sales.

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 50635?

26 business establishments had a location in this ZIP code in 2023, 2 fewer than in 2018; the most are in other services (except public administration) (ZIP Code Business Patterns).

  • Other services (except public administration)7
  • Construction5
  • Transportation and warehousing4
  • Retail trade3
  • Health care and social assistance3

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 50635?

ZIP codes that share a boundary with 50635, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
50652Lincoln113$65k4.3 mi
50609Beaman377$90k6.0 mi
50632Garwin1,201$72k8.8 mi
50675Traer2,198$76k9.5 mi
50669Reinbeck2,439$82k10.3 mi
50638Grundy Center3,441$85k11.8 mi
52342Toledo2,705$58k13.1 mi
50158Marshalltown31,396$70k14.9 mi
50657Morrison96$66k9.9 mi (near)
50621Conrad1,601$88k11.8 mi (near)

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