Residential delivery area · Indiana
ZIP Code 46311: Dyer, IN
ZIP code 46311 uses the postal name Dyer, Indiana and lies entirely in Lake County (Census 2020 ZIP-county file). About 23,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $116,652 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Dyer (49%) and St. John (12%); 39% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Dyer · its only residential ZIP
- County
- Lake County
- Census places
- Dyer (49%); St. John (12%)
- Metro area
- Chicago-Naperville-Elgin, IL-IN
- House district
- IN-1 119th Congress
- State
- Indiana
- Time zone
- Central
- Land area
- 12.6 sq mi · 1,851 people per sq mi
Where is ZIP code 46311?
46311 centers on 41.468°, -87.509° and covers 12.6 square miles of land. It borders 6 ZIP codes: 46373, 46375, 60417, 60411, 46321, 46303.
The map draws ZIP code areas only. For the streets inside 46311, 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 46311 compare with the rest of Lake County?
| Measure | 46311 | In Lake County | In IN |
|---|---|---|---|
| People (ACS 2020-2024) | 23,321 | 8th of 28 | 103rd of 807 |
| Median household income | $117k | 2nd of 26 | 21st of 478 |
| Median home value | $332k | 3rd of 25 | 32nd of 509 |
Its median household income is higher than in 89% of U.S. residential ZIP codes, and it is denser than 84% 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 46311?
The 2020 Census counted 22,431 people in 46311; the ACS, which samples households over 2020-2024, estimates 23,321. Between the 2010 and 2020 censuses its population grew 7.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 23,321
- 2020 Census count
- 22,431+7.8% since 2010 (20,816)
- Households
- 8,835
- Median age
- 43.7
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 46311?
Of the 23,321 people the ACS estimates in 46311, 20.1% are under 18 and 22.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (77.7%), then Hispanic or Latino (14.4%).
- Under 1820.1%
- 18 to 6457.0%
- 65 and older22.9%
- White, not Hispanic77.7%
- Hispanic or Latino14.4%
- Black, not Hispanic3.0%
- Other or two or more2.5%
- Asian, not Hispanic2.4%
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 46311 earn?
Median household income is $116,652 (ACS 2020-2024), the 2nd highest of the 26 ranked ZIP codes in Lake County. It rose from $105,544 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $116,652
- Income per person
- $51,844
- Below the poverty line
- 5.2%
- Unemployed (of the labor force)
- 2.8%
- Adults 25+ with a bachelor's degree
- 38.3%
- Adjusted gross income per tax return, 2022
- $100,69711,900 returns; wages 68% 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 46311?
FHFA's house price index for 46311, built from repeat sales and appraisals of the same homes, rose 66% from 2015 to 2025 and rose 37% from 2020 to 2025, and moved +0.6% in 2025.
- Median home value (owners' estimate)
- $331,600
- Median gross rent
- $1,233
- Homes owned by their occupants
- 90.1%
- Housing units
- 9,012
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 46311?
492 business establishments had a location in this ZIP code in 2023, 36 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance84
- Construction64
- Accommodation and food services58
- Retail trade52
- Other services (except public administration)49
- Professional, scientific, and technical services45
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 46311?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 46373 | Saint John | 18,843 | $127k | 2.8 mi |
| 46375 | Schererville | 24,188 | $93k | 3.3 mi |
| 60417 | Crete, IL | 14,901 | $92k | 4.9 mi |
| 60411 | Chicago Heights, IL | 52,175 | $62k | 5.0 mi |
| 46321 | Munster | 23,733 | $110k | 5.5 mi |
| 46303 | Cedar Lake | 17,680 | $84k | 6.7 mi |
| 46319 | Griffith | 17,847 | $75k | 5.8 mi (near) |
| 46322 | Highland | 23,680 | $78k | 6.0 mi (near) |
| 60475 | Steger, IL | 10,035 | $68k | 6.2 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.