Lake County, Indiana
Lake County covers 499 sq mi of land and has about 500,379 residents. 32 zip codes lie mainly within it, spread across 19 cities and towns. Zip codes that only partly reach into the county are listed on each zip's own page.
Population
500,379
1,003/sq mi
Median household income
$71K
U.S. $81K
Median home value
$231K
U.S. $333K
Median rent
$1,131
U.S. $1,413
Median age
39.7
U.S. 38.9
Poverty rate
14.3%
U.S. 12.5%
Cities and towns
Zip codes in Lake County
32 total
| Zip | City | Type | Population | IncomeMedian income |
|---|---|---|---|---|
| 46303 | Cedar Lake | 17,680 | $84,211 | |
| 46307 | Crown Point | 71,673 | $107,800 | |
| 46308 | Crown Point · PO box | — | — | |
| 46311 | Dyer | 23,321 | $116,652 | |
| 46312 | East Chicago | 26,022 | $42,125 | |
| 46319 | Griffith | 17,847 | $74,662 | |
| 46320 | Hammond | 14,353 | $37,158 | |
| 46321 | Munster | 23,733 | $110,187 | |
| 46322 | Highland | 23,680 | $78,062 | |
| 46323 | Hammond | 23,047 | $59,688 | |
| 46324 | Hammond | 21,409 | $63,052 | |
| 46325 | Hammond · PO box | — | — | |
| 46327 | Hammond | 10,597 | $47,288 | |
| 46342 | Hobart | 32,224 | $75,521 | |
| 46355 | Leroy · PO box | — | — | |
| 46356 | Lowell | 19,721 | $89,217 | |
| 46373 | Saint John | 18,843 | $127,146 | |
| 46375 | Schererville | 24,188 | $93,160 | |
| 46376 | Schneider | 319 | $64,205 | |
| 46377 | Shelby | 45 | $38,958 | |
| 46394 | Whiting | 11,894 | $66,176 | |
| 46401 | Gary · PO box | — | — | |
| 46402 | Gary | 5,836 | $33,529 | |
| 46403 | Gary | 10,929 | $45,991 | |
| 46404 | Gary | 15,428 | $42,256 | |
| 46405 | Lake Station | 12,184 | $60,881 | |
| 46406 | Gary | 9,001 | $35,839 | |
| 46407 | Gary | 8,577 | $28,526 | |
| 46408 | Gary | 15,747 | $47,453 | |
| 46409 | Gary | 7,184 | $44,667 | |
| 46410 | Merrillville | 39,243 | $64,127 | |
| 46411 | Merrillville · PO box | — | — |
Lake County at a glance
Compared with the U.S.
Household income distribution
<$25k
17%
$25–50k
18%
$50–75k
17%
$75–100k
13%
$100–150k
17%
$150–200k
9%
$200k+
8%
Highest education (adults 25+)
No diploma
10%
High school
34%
Some college
21%
Associate's
9%
Bachelor's
17%
Graduate
8%
How people get to work
Drove alone
80%
Carpooled
8%
Transit
1%
Walked
1%
Bicycle
0.2%
Worked from home
8%
Other
1%
At a glance
| Lake | U.S. | |
|---|---|---|
| Own their home | 71.7% | 65.2% |
| Bachelor's degree or higher | 25.8% | 35.7% |
| Work from home | 8.2% | 15.1% |
| Households with broadband | 89.7% | 91% |
| Without health insurance | 6.6% | 8.4% |
| Foreign-born | 7.3% | 14.1% |
| Veterans (of adults) | 5.8% | 6.2% |
| Unemployment | 6.1% | 5.2% |
| Average commute | 28.5 min | 26.4 min |