Residential delivery area · Indiana
ZIP Code 46356: Lowell, IN
ZIP code 46356 uses the postal name Lowell, Indiana and lies entirely in Lake County (Census 2020 ZIP-county file). About 20,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $89,217 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Lowell (6%), Shelby (1%) and Lake Dalecarlia (under 1%); 92% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Lowell · its only residential ZIP
- County
- Lake County
- Census places
- Lowell (6%); Shelby (1%) census-designated place; Lake Dalecarlia (under 1%) census-designated place
- Metro area
- Chicago-Naperville-Elgin, IL-IN
- House district
- IN-1 119th Congress
- State
- Indiana
- Time zone
- Central
- Land area
- 112.5 sq mi · 175 people per sq mi
Where is ZIP code 46356?
46356 centers on 41.264°, -87.417° and covers 112.5 square miles of land plus 0.6 of water. It borders 12 ZIP codes: 46377, 46376, 46379, 46381, 46303, 46349, 46307, 46341, 46310, 60401 and more.
The map draws ZIP code areas only. For the streets inside 46356, 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 46356 compare with the rest of Lake County?
| Measure | 46356 | In Lake County | In IN |
|---|---|---|---|
| People (ACS 2020-2024) | 19,721 | 11th of 28 | 127th of 807 |
| Median household income | $89k | 7th of 26 | 89th of 478 |
| Median home value | $282k | 7th of 25 | 71st of 509 |
Its median household income is higher than in 72% of U.S. residential ZIP codes, and it is denser than 61% 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 46356?
The 2020 Census counted 18,668 people in 46356; the ACS, which samples households over 2020-2024, estimates 19,721. Between the 2010 and 2020 censuses its population grew 6.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 19,721
- 2020 Census count
- 18,668+6.5% since 2010 (17,524)
- Households
- 7,078
- Median age
- 41.1
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 46356?
Of the 19,721 people the ACS estimates in 46356, 25.0% are under 18 and 18.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (88.7%).
- Under 1825.0%
- 18 to 6456.3%
- 65 and older18.7%
- White, not Hispanic88.7%
- Hispanic or Latino8.1%
- Other or two or more2.8%
- Asian, not Hispanic0.2%
- Black, not Hispanic0.2%
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 46356 earn?
Median household income is $89,217 (ACS 2020-2024), the 7th highest of the 26 ranked ZIP codes in Lake County. It is not measurably different from 2015-2019 ($91,364 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $89,217
- Income per person
- $41,502
- Below the poverty line
- 6.7%
- Unemployed (of the labor force)
- 6.2%
- Adults 25+ with a bachelor's degree
- 22.3%
- Adjusted gross income per tax return, 2022
- $81,7909,540 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 46356?
FHFA's house price index for 46356, built from repeat sales and appraisals of the same homes, rose 72% from 2015 to 2025 and rose 43% from 2020 to 2025, and moved +2.1% in 2025.
- Median home value (owners' estimate)
- $281,500
- Median gross rent
- $1,179
- Homes owned by their occupants
- 88.5%
- Housing units
- 7,423
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 46356?
308 business establishments had a location in this ZIP code in 2023, 4 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction61
- Retail trade38
- Other services (except public administration)35
- Accommodation and food services32
- Health care and social assistance23
- Wholesale trade18
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 46356?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 46377 | Shelby | 45 | $39k | 6.0 mi |
| 46376 | Schneider | 319 | $64k | 6.3 mi |
| 46379 | Sumava Resorts | 234 | – | 7.4 mi |
| 46381 | Thayer | 212 | $65k | 7.4 mi |
| 46303 | Cedar Lake | 17,680 | $84k | 8.2 mi |
| 46349 | Lake Village | 3,416 | $82k | 10.5 mi |
| 46307 | Crown Point | 71,673 | $108k | 10.7 mi |
| 46341 | Hebron | 10,048 | $90k | 11.0 mi |
| 46310 | Demotte | 14,077 | $74k | 11.3 mi |
| 60401 | Beecher, IL | 7,647 | $98k | 11.7 mi |
| 60940 | Grant Park, IL | 3,322 | $97k | 11.8 mi |
| 60954 | Momence, IL | 5,742 | $66k | 13.4 mi |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.