Residential delivery area · Iowa
ZIP Code 50674: Sumner, IA
ZIP code 50674 uses the postal name Sumner, Iowa and lies mostly in Bremer County (62% of its land), reaching into Fayette County and Chickasaw County (Census 2020 ZIP-county file). About 3,400 people live there (Census Bureau, ACS 2020-2024). Median household income is $72,794 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Sumner (2%) and Frederika (under 1%); 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Sumner · its only residential ZIP
- County
- Bremer County (62%); Fayette County (32%); Chickasaw County (6%)
- Census places
- Sumner (2%); Frederika (under 1%)
- Metro area
- Waterloo-Cedar Falls, IA
- House district
- IA-2 119th Congress
- State
- Iowa
- Time zone
- Central
- Land area
- 158.9 sq mi · 22 people per sq mi
Where is ZIP code 50674?
50674 centers on 42.838°, -92.115° and covers 158.9 square miles of land plus 1.4 of water. It borders 10 ZIP codes: 50681, 50676, 50664, 50630, 50631, 52164, 52147, 50668, 50629, 52171.
The map draws ZIP code areas only. For the streets inside 50674, 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 50674 compare with the rest of Bremer County?
| Measure | 50674 | In Bremer County | In IA |
|---|---|---|---|
| People (ACS 2020-2024) | 3,446 | 3rd of 13 | 181st of 970 |
| Median household income | $73k | 8th of 10 | 239th of 396 |
| Median home value | $174k | 6th of 11 | 245th of 423 |
Its median household income is higher than in 51% of U.S. residential ZIP codes, and it is denser than 27% 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 50674?
The 2020 Census counted 3,480 people in 50674; the ACS, which samples households over 2020-2024, estimates 3,446. Between the 2010 and 2020 censuses its population fell 2.1% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 3,446
- 2020 Census count
- 3,480−2.1% since 2010 (3,555)
- Households
- 1,454
- Median age
- 48.0
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 50674?
Of the 3,446 people the ACS estimates in 50674, 19.2% are under 18 and 25.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (97.0%).
- Under 1819.2%
- 18 to 6455.5%
- 65 and older25.3%
- White, not Hispanic97.0%
- Other or two or more2.0%
- Black, not Hispanic0.5%
- Hispanic or Latino0.5%
- Asian, not Hispanic0.0%
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 50674 earn?
Median household income is $72,794 (ACS 2020-2024), the 8th highest of the 10 ranked ZIP codes in Bremer County. It is not measurably different from 2015-2019 ($83,109 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $72,794±$11,862
- Income per person
- $39,036
- Below the poverty line
- 8.5%
- Unemployed (of the labor force)
- 3.3%
- Adults 25+ with a bachelor's degree
- 23.7%
- Adjusted gross income per tax return, 2022
- $71,6321,640 returns; wages 61% 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 50674?
FHFA's house price index for 50674, built from repeat sales and appraisals of the same homes, rose 80% from 2015 to 2025 and rose 36% from 2020 to 2025, and moved +21.1% in 2025.
- Median home value (owners' estimate)
- $174,100
- Median gross rent
- $944
- Homes owned by their occupants
- 82.7%
- Housing units
- 1,598
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 50674?
86 business establishments had a location in this ZIP code in 2023, 5 fewer than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance13
- Other services (except public administration)13
- Retail trade12
- Construction11
- Wholesale trade6
- Manufacturing4
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 50674?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 50681 | Westgate | 481 | $73k | 6.8 mi |
| 50676 | Tripoli | 2,017 | $87k | 8.8 mi |
| 50664 | Oran | 63 | $52k | 9.3 mi |
| 50630 | Fredericksburg | 1,372 | $72k | 9.7 mi |
| 50631 | Frederika | 225 | $59k | 10.4 mi |
| 52164 | Randalia | 187 | $48k | 10.6 mi |
| 52147 | Hawkeye | 911 | $77k | 10.8 mi |
| 50668 | Readlyn | 1,216 | $86k | 11.6 mi |
| 50629 | Fairbank | 2,082 | $103k | 13.3 mi |
| 52171 | Waucoma | 1,314 | $95k | 16.2 mi |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.