Residential delivery area · Iowa
ZIP Code 51022: Granville, IA
ZIP code 51022 uses the postal name Granville, Iowa and lies mostly in O'Brien County (58% of its land), reaching into Sioux County and Plymouth County (Census 2020 ZIP-county file). About 960 people live there (Census Bureau, ACS 2020-2024). Median household income is $96,505 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Granville; more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2024
- ZBP2023
- IRS2022
- Town
- Granville · its only residential ZIP
- County
- O'Brien County (58%); Sioux County (40%); Plymouth County (3%)
- Census places
- Granville
- House district
- IA-4 119th Congress
- State
- Iowa
- Time zone
- Central
- Land area
- 76.2 sq mi · 13 people per sq mi
Where is ZIP code 51022?
51022 centers on 42.978°, -95.847° and covers 76.2 square miles of land. It borders 6 ZIP codes: 51238, 51003, 51046, 51231, 51050, 51035.
The map draws ZIP code areas only. For the streets inside 51022, 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 51022 compare with the rest of O'Brien County?
| Measure | 51022 | In O'Brien County | In IA |
|---|---|---|---|
| People (ACS 2020-2024) | 960 | 8th of 14 | 478th of 970 |
| Median household income | $97k | not ranked | not ranked |
| Median home value | $175k | not ranked | not ranked |
51022's income and home value are not ranked: it has fewer than 1,000 residents (960). 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 51022?
The 2020 Census counted 751 people in 51022; the ACS, which samples households over 2020-2024, estimates 960. Between the 2010 and 2020 censuses its population fell 4.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 960±289 (90% margin)
- 2020 Census count
- 751−4.8% since 2010 (789)
- Households
- 385
- Median age
- 45.7
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 51022?
Of the 960 people the ACS estimates in 51022, 24.6% are under 18 and 30.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (98.2%).
- Under 1824.6%
- 18 to 6444.6%
- 65 and older30.8%
- White, not Hispanic98.2%
- Hispanic or Latino0.9%
- Other or two or more0.8%
- Black, not Hispanic0.0%
- 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 51022 earn?
Median household income is $96,505 (ACS 2020-2024). It is not measurably different from 2015-2019 ($77,709 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $96,505
- Income per person
- $40,177
- Below the poverty line
- 5.0%
- Unemployed (of the labor force)
- 7.6%
- Adults 25+ with a bachelor's degree
- 19.5%
- Adjusted gross income per tax return, 2022
- $95,703330 returns; wages 49% 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 51022?
- Median home value (owners' estimate)
- $174,800
- Median gross rent
- –
- Homes owned by their occupants
- 89.1%
- Housing units
- 397
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 51022?
17 business establishments had a location in this ZIP code in 2023, 1 fewer than in 2018; the most are in other services (except public administration) (ZIP Code Business Patterns).
- Other services (except public administration)4
- 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 51022?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 51238 | Hospers | 1,502 | $74k | 7.0 mi |
| 51003 | Alton | 1,938 | $101k | 7.1 mi |
| 51046 | Paullina | 1,326 | $84k | 8.6 mi |
| 51231 | Archer | 562 | $108k | 10.3 mi |
| 51050 | Remsen | 2,962 | $93k | 13.3 mi |
| 51035 | Marcus | 1,627 | $79k | 13.8 mi |
| 51041 | Orange City | 7,324 | $84k | 12.0 mi (near) |
| 51201 | Sheldon | 6,430 | $69k | 14.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.