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McLennan County, Texas

Updated · Data: U.S. Census Bureau

McLennan County, Texas has its county seat in Waco and FIPS code 48309. About 263,608 people live here, the 20th most populated of the 254 Texas counties.

County seatWaco
FIPS code48309 (Texas 48 + county 309) · all Texas FIPS codes
Population263,608 (20th of 254)
Land area1,036.7 sq mi (67th largest; + 23.6 sq mi water)
People per sq mi254.3
Time zoneCentral time (America/Chicago)
Median home value$219,200
Median property tax paid$3,347 a year (about 1.53% of the median home value: our calculation, not an official rate)
Official websitewww.mclennan.gov

What counties border McLennan County?

McLennan County shares a border with 6 counties:

What cities and towns are in McLennan County?

18 places with 1,000+ people have residents here; together they hold about 84% of the county's population. The rest live in smaller communities and rural areas.

PlacePopulationResidents in this county
Waco141,925100.0%
Hewitt16,244100.0%
Robinson12,668100.0%
Bellmead10,550100.0%
Woodway9,483100.0%
Lacy-Lakeview7,247100.0%
McGregor5,608100.0%
West2,571100.0%
Willow Grove (CDP)2,333100.0%
Mart2,02599.0% (also in other counties)
Beverly Hills1,631100.0%
Bruceville-Eddy1,529100.0%
Lorena1,506100.0%
China Spring (CDP)1,420100.0%
Riesel1,337100.0%
Moody1,258100.0%
Valley Mills1,1831.9% (also in other counties)
Gholson1,131100.0%

CDP = census-designated place: a named community with no city government.

What ZIP codes are in McLennan County?

29 ZIP code areas with residents touch McLennan County; the ones marked * cross into another county.

Check an exact address with the address lookup, look up a ZIP code, or see how to confirm your county with official records.

Sources: Census TIGER/Line 2024 (boundary, area, neighbors); ACS 2019-2023 5-year (population, home value, taxes paid); Wikidata, CC0 (seat, website); timezone-boundary-builder (time zone). Data as of November 1, 2026. Not affiliated with any government agency.

FAQ

Frequently asked questions

What is the county seat of McLennan County, Texas?
Waco.
What is the FIPS code for McLennan County?
48309. The first two digits (48) are Texas; the last three (309) are the county.
What counties border McLennan County?
Bell County, Bosque County, Coryell County, Falls County, Hill County, Limestone County.
How many people live in McLennan County?
About 263,608 (ACS 2019-2023 5-year estimate), the 20th most of the 254 Texas counties.
What time zone is McLennan County in?
Central time (America/Chicago).
What is the largest city in McLennan County?
Waco, with about 141,925 people (counting all of it, including any part in another county).

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