Residential delivery area · Iowa
ZIP Code 50440: Grafton, IA
ZIP code 50440 uses the postal name Grafton, Iowa and lies entirely in Worth County (Census 2020 ZIP-county file). About 360 people live there (Census Bureau, ACS 2020-2024). Median household income is $76,429 (Census Bureau, ACS 2020-2024). By Census place, 1% of its land lies in Grafton; 99% is outside any Census place.
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Grafton · its only residential ZIP
- County
- Worth County
- Census places
- Grafton
- Micro area
- Mason City, IA
- House district
- IA-2 119th Congress
- State
- Iowa
- Time zone
- Central
- Land area
- 29.2 sq mi · 12 people per sq mi
Where is ZIP code 50440?
50440 centers on 43.332°, -93.069° and covers 29.2 square miles of land plus 0.0 of water. It borders 5 ZIP codes: 50464, 50456, 50472, 50448, 50461.
The map draws ZIP code areas only. For the streets inside 50440, 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 50440 compare with the rest of Worth County?
| Measure | 50440 | In Worth County | In IA |
|---|---|---|---|
| People (ACS 2020-2024) | 361 | 10th of 10 | 763rd of 970 |
| Median household income | $76k | not ranked | not ranked |
| Median home value | $123k | not ranked | not ranked |
50440's income and home value are not ranked: it has fewer than 1,000 residents (361). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 19% of 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 50440?
The 2020 Census counted 373 people in 50440; the ACS, which samples households over 2020-2024, estimates 361. Between the 2010 and 2020 censuses its population fell 11.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 361±90 (90% margin)
- 2020 Census count
- 373−11.6% since 2010 (422)
- Households
- 186
- Median age
- 56.2
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 50440?
Of the 361 people the ACS estimates in 50440, 18.6% are under 18 and 25.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (96.4%).
- Under 1818.6%
- 18 to 6456.0%
- 65 and older25.5%
- White, not Hispanic96.4%
- Hispanic or Latino2.5%
- Black, not Hispanic1.1%
- Asian, not Hispanic0.0%
- Other or two or more0.0%
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 50440 earn?
Median household income is $76,429 (ACS 2020-2024). It is not measurably different from 2015-2019 ($93,558 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $76,429±$34,991
- Income per person
- $37,745
- Below the poverty line
- 7.5%
- Unemployed (of the labor force)
- 4.1%
- Adults 25+ with a bachelor's degree
- 16.3%
- Adjusted gross income per tax return, 2022
- $66,465200 returns; wages 56% 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 50440?
- Median home value (owners' estimate)
- $122,500
- Median gross rent
- $638
- Homes owned by their occupants
- 74.7%
- Housing units
- 208
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 50440?
9 business establishments had a location in this ZIP code in 2023, 3 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction3
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 50440?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 50464 | Plymouth | 694 | $92k | 5.6 mi |
| 50456 | Manly | 1,699 | $81k | 7.9 mi |
| 50472 | Saint Ansgar | 2,560 | $94k | 8.5 mi |
| 50448 | Kensett | 620 | $62k | 8.7 mi |
| 50461 | Osage | 5,228 | $69k | 12.7 mi |
| 50426 | Carpenter | 81 | $74k | 6.3 mi (near) |
| 50467 | Rock Falls | 63 | $64k | 8.5 mi (near) |
| 50458 | Nora Springs | 2,094 | $100k | 12.3 mi (near) |
| 50459 | Northwood | 3,045 | $72k | 12.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.