Residential delivery area · Iowa
ZIP Code 50070: Dexter, IA
ZIP code 50070 uses the postal name Dexter, Iowa and lies mostly in Madison County (40% of its land), reaching into Adair County, Dallas County and Guthrie County (Census 2020 ZIP-county file). About 1,200 people live there (Census Bureau, ACS 2020-2024). Median household income is $92,083 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Dexter (2%) and Diamondhead Lake (2%); 97% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2023
- ZBP2023
- IRS2022
- Town
- Dexter · its only residential ZIP
- County
- Madison County (40%); Adair County (28%); Dallas County (16%); Guthrie County (16%)
- Census places
- Dexter (2%); Diamondhead Lake (2%) census-designated place
- Metro area
- Des Moines-West Des Moines, IA
- House district
- IA-3 119th Congress
- State
- Iowa
- Time zone
- Central
- Land area
- 65.0 sq mi · 19 people per sq mi
Where is ZIP code 50070?
50070 centers on 41.446°, -94.233° and covers 65.0 square miles of land plus 0.2 of water. It borders 5 ZIP codes: 50072, 50250, 50233, 50273, 50849.
The map draws ZIP code areas only. For the streets inside 50070, 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 50070 compare with the rest of Madison County?
| Measure | 50070 | In Madison County | In IA |
|---|---|---|---|
| People (ACS 2020-2024) | 1,221 | 9th of 15 | 405th of 970 |
| Median household income | $92k | 6th of 7 | 87th of 396 |
| Median home value | $213k | 8th of 8 | 152nd of 423 |
Its median household income is higher than in 75% of U.S. residential ZIP codes, and it is denser than 25% 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 50070?
The 2020 Census counted 1,536 people in 50070; the ACS, which samples households over 2020-2024, estimates 1,221. Between the 2010 and 2020 censuses its population grew 3.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,221±179 (90% margin)
- 2020 Census count
- 1,536+3.2% since 2010 (1,489)
- Households
- 521
- Median age
- 46.0
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 50070?
Of the 1,221 people the ACS estimates in 50070, 19.8% are under 18 and 16.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (89.8%).
- Under 1819.8%
- 18 to 6463.7%
- 65 and older16.5%
- White, not Hispanic89.8%
- Other or two or more4.0%
- Hispanic or Latino3.4%
- Asian, not Hispanic2.9%
- Black, 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 50070 earn?
Median household income is $92,083 (ACS 2020-2024), the 6th highest of the 7 ranked ZIP codes in Madison County. It is not measurably different from 2015-2019 ($90,320 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $92,083±$22,665
- Income per person
- $49,371
- Below the poverty line
- 4.9%
- Unemployed (of the labor force)
- 3.1%
- Adults 25+ with a bachelor's degree
- 26.7%
- Adjusted gross income per tax return, 2022
- $82,803700 returns; wages 72% 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 50070?
- Median home value (owners' estimate)
- $213,300
- Median gross rent
- $855
- Homes owned by their occupants
- 84.3%
- Housing units
- 628
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 50070?
31 business establishments had a location in this ZIP code in 2023, 7 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction12
- Other services (except public administration)4
- Professional, scientific, and technical services3
- Health care and social assistance3
- Accommodation and food services3
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 50070?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 50072 | Earlham | 2,979 | $111k | 5.9 mi |
| 50250 | Stuart | 2,832 | $71k | 6.4 mi |
| 50233 | Redfield | 1,406 | $79k | 11.6 mi |
| 50273 | Winterset | 8,950 | $83k | 12.6 mi |
| 50849 | Greenfield | 2,374 | $65k | 13.7 mi |
| 50164 | Menlo | 682 | $80k | 11.0 mi (near) |
| 50069 | De Soto | 1,109 | $98k | 11.7 mi (near) |
| 50003 | Adel | 9,948 | $103k | 15.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.