Residential delivery area · Iowa
ZIP Code 52140: Dorchester, IA
ZIP code 52140 uses the postal name Dorchester, Iowa and lies mostly in Allamakee County (91% of its land) with the rest in Winneshiek County (Census 2020 ZIP-county file). About 670 people live there (Census Bureau, ACS 2020-2024). Median household income is $72,188 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Dorchester · its only residential ZIP
- County
- Allamakee County (91%); Winneshiek County (9%)
- House district
- IA-2 119th Congress
- State
- Iowa
- Time zone
- Central
- Land area
- 73.8 sq mi · 9 people per sq mi
Where is ZIP code 52140?
52140 centers on 43.446°, -91.535° and covers 73.8 square miles of land plus 0.0 of water. It borders 6 ZIP codes: 55931, 52160, 55974, 52172, 52101, 52151.
The map draws ZIP code areas only. For the streets inside 52140, 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 52140 compare with the rest of Allamakee County?
| Measure | 52140 | In Allamakee County | In IA |
|---|---|---|---|
| People (ACS 2020-2024) | 671 | 9th of 10 | 601st of 970 |
| Median household income | $72k | not ranked | not ranked |
| Median home value | $208k | not ranked | not ranked |
52140's income and home value are not ranked: it has fewer than 1,000 residents (671). 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 16% 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 52140?
The 2020 Census counted 553 people in 52140; the ACS, which samples households over 2020-2024, estimates 671. Between the 2010 and 2020 censuses its population grew 3.9% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 671±165 (90% margin)
- 2020 Census count
- 553+3.9% since 2010 (532)
- Households
- 276
- Median age
- 39.1
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 52140?
Of the 671 people the ACS estimates in 52140, 24.1% are under 18 and 24.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (97.9%).
- Under 1824.1%
- 18 to 6451.0%
- 65 and older24.9%
- White, not Hispanic97.9%
- Other or two or more2.1%
- Hispanic or Latino0.0%
- 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 52140 earn?
Median household income is $72,188 (ACS 2020-2024). It is not measurably different from 2015-2019 ($57,543 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $72,188±$34,946
- Income per person
- $53,455
- Below the poverty line
- 0.1%
- Unemployed (of the labor force)
- 0.0%
- Adults 25+ with a bachelor's degree
- 36.2%
- Adjusted gross income per tax return, 2022
- $68,613230 returns; wages 62% 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 52140?
- Median home value (owners' estimate)
- $208,300
- Median gross rent
- –
- Homes owned by their occupants
- 89.5%
- Housing units
- 312
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 52140?
12 business establishments had a location in this ZIP code in 2023, 2 more 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 52140?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 55931 | Eitzen, MN | 392 | $78k | 8.7 mi |
| 52160 | New Albin | 818 | $85k | 9.3 mi |
| 55974 | Spring Grove, MN | 1,902 | $59k | 10.7 mi |
| 52172 | Waukon | 5,877 | $69k | 12.3 mi |
| 52101 | Decorah | 12,706 | $74k | 13.2 mi |
| 52151 | Lansing | 1,886 | $70k | 15.2 mi |
| 55921 | Caledonia, MN | 4,659 | $80k | 12.4 mi (near) |
| 55954 | Mabel, MN | 1,332 | $66k | 14.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.