Indiana · Census place 1848528

Merrillville, Indiana

Merrillville is a town in Lake County, Indiana with an estimated 36,989 residents on July 1, 2024. It is the 27th largest of 299 incorporated places of 1,000+ people in the state.

Population 2024
36,989
#27 of 299 in Indiana
Change since 2020
+1.5%
+530 people
Land area
33.2 sq mi
+ 0.05 sq mi water
Density
1,113 / sq mi
State median 1,645
Orange pin: Merrillville. Shaded: its county. Dark pin: Indianapolis.

Merrillville population, 2020 to 2024

Merrillville added 530 residents from July 2020 to July 2024, a change of +1.5%. In the latest year it moved by +642. Among 126 Indiana places of 5,000 or more, that growth ranks 58th; the median place changed by +1.0%. The median place of 5,000+ in Indiana has 14,565 people, so Merrillville is 2.5 times that size.

36.5k202036.4k202136.3k202236.3k202337.0k2024
July 1 estimates. The April 2020 estimates base was 36,444. The axis starts above zero so yearly changes are visible.

Merrillville covers 33.22 square miles of land and 0.05 of water, for 1,113 people per square mile of land. The median Indiana place of 5,000+ has 1,645, so Merrillville is less dense than the typical town.

What county Merrillville is in

All of Merrillville's residents live in Lake County, which had 502,955 residents in 2024. Merrillville holds 7.4% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Merrillville

2 ZIP Code Tabulation Areas (ZCTAs) overlap Merrillville by at least 10% of the ZCTA's or the town's land: 46307, 46410. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a town that annexed land after 2020 may reach into ZIP codes not listed here.

Where Merrillville is

The Census internal point of Merrillville is at 41.472700, -87.318100. Indianapolis, the capital, is 132.5 miles SSE in a straight line. The nearest larger place is Gary, IN (67,555 people), 8.3 miles away. The nearest city of 100,000 or more is Chicago, IL, 31.5 miles away.

Internal point

Decimal
41.472700, -87.318100
DMS
41°28'21.72"N 87°19'5.16"W
UTM
16N 473439.3E 4591282.2N
Geohash
dp3gvjbgu
Plus code
86HJFMFJ+3Q

Daylight in Merrillville

At 41.47° N, Merrillville gets about 15 h 11 min of daylight around the June solstice and 9 h 10 min around the December solstice, a swing of 6 h 01 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Merrillville

The eight nearest incorporated places of 1,000+ in Indiana, measured between internal points. The closest is Hobart, 3.6 miles away, with 29,418 people.

Questions people ask

What is the population of Merrillville, IN?

36,989 on July 1, 2024, in the Census Vintage 2024 estimates. That is up 530 (1.5%) from 36,459 in July 2020.

What county is Merrillville in?

Lake County. All of its residents live in that county.

What ZIP codes cover Merrillville?

2 ZIP Code Tabulation Areas overlap it by at least 10% of either area: 46307, 46410.

How far is Merrillville from Indianapolis?

132.5 miles (213.2 km) in a straight line, heading SSE from Merrillville.

What is the nearest larger city to Merrillville?

Gary, IN, with 67,555 residents, 8.3 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.