Residential delivery area · Iowa
ZIP Code 50631: Frederika, IA
ZIP code 50631 is in Frederika, Iowa, entirely in Bremer County (Census 2020 ZIP-county file). About 230 people live there (Census Bureau, ACS 2020-2024). Median household income is $58,750 (Census Bureau, ACS 2020-2024). By Census place, 79% of its land lies in Frederika; 21% is outside any Census place.
- ACS2020-24
- Census2020
- Town
- Frederika · its only residential ZIP
- County
- Bremer County
- Census places
- Frederika
- Metro area
- Waterloo-Cedar Falls, IA
- House district
- IA-2 119th Congress
- State
- Iowa
- Time zone
- Central
- Land area
- 0.2 sq mi · 1,216 people per sq mi
Where is ZIP code 50631?
50631 centers on 42.885°, -92.310° and covers 0.2 square miles of land plus 0.1 of water. It borders 3 ZIP codes: 50676, 50630, 50674.
The map draws ZIP code areas only. For the streets inside 50631, 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 GeoNames postal codes (CC BY 4.0).
How does 50631 compare with the rest of Bremer County?
| Measure | 50631 | In Bremer County | In IA |
|---|---|---|---|
| People (ACS 2020-2024) | 225 | 13th of 13 | 839th of 970 |
| Median household income | $59k | not ranked | not ranked |
| Median home value | $99k | not ranked | not ranked |
50631's income and home value are not ranked: it has fewer than 1,000 residents (225). 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 80% 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 50631?
The 2020 Census counted 178 people in 50631; the ACS, which samples households over 2020-2024, estimates 225.
- People, ACS 2020-2024
- 225±86 (90% margin)
- 2020 Census count
- 178
- Households
- 86
- Median age
- 40.5
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 50631?
Of the 225 people the ACS estimates in 50631, 24.0% are under 18 and 11.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (95.1%).
- Under 1824.0%
- 18 to 6464.4%
- 65 and older11.6%
- White, not Hispanic95.1%
- Other or two or more2.7%
- Black, not Hispanic1.3%
- Hispanic or Latino0.9%
- 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 50631 earn?
Median household income is $58,750 (ACS 2020-2024).
- Median household income
- $58,750±$26,387
- Income per person
- $26,067
- Below the poverty line
- 14.7%
- Unemployed (of the labor force)
- 6.1%
- Adults 25+ with a bachelor's degree
- 12.8%
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 50631?
- Median home value (owners' estimate)
- $98,800
- Median gross rent
- $667
- Homes owned by their occupants
- 83.7%
- Housing units
- 122
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
Which ZIP codes are next to 50631?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 50676 | Tripoli | 2,017 | $87k | 6.1 mi |
| 50630 | Fredericksburg | 1,372 | $72k | 7.0 mi |
| 50674 | Sumner | 3,446 | $73k | 10.4 mi |
| 50666 | Plainfield | 753 | $80k | 10.0 mi (near) |
| 50677 | Waverly | 12,673 | $86k | 10.5 mi (near) |
| 50645 | Ionia | 1,193 | $64k | 11.5 mi (near) |
| 50658 | Nashua | 2,450 | $72k | 12.4 mi (near) |
| 50668 | Readlyn | 1,216 | $86k | 13.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.