How common is the surname Flach?

1,471 people in the United States had the surname Flach in the 2010 Census, about 1 in every 209,888 Americans. It ranked 18,685th of 162,253 surnames.

What ethnicity is the surname Flach?

In the 2010 Census, 95% of people named Flach identified as white (not Hispanic), and 2.6% as Hispanic or Latino (any race).

Who is the most famous person named Flach?

Jacinto Inácio Flach, Brazilian bishop.

Where is the surname Flach most common?

Wikidata records people named Flach in Brazil.

Is the surname Flach getting more or less common?

More common. 1,306 people carried it in the 2000 Census and 1,471 in 2010, up 13%.

The surname Flach

A Czech surname, carried by 1,471 people in the United States.

1 syllable Soundex F420

Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). Flach is more common than 88.5% of them.

Origin

Czech origin

* As a German surname, from Czech Vlach (“foreigner”). * Also as a German surname, from the adjective Flach (“flat”), see the German entry below. * Also as a German surname, from Middle High German vlach (“smooth, straight”). This is also borrowed into Czech.

One of 96 Czech surnames on this site.

Origin from Wiktionary (CC BY-SA 4.0).

How common it is

2010 US Census

There were 1,471 people named Flach in the United States in 2010, about 1 in every 209,888 Americans. That is up 13% since 2000, when the Census counted 1,306.

#18,685

rank among US surnames

1,471

people in 2010

0.5

per 100,000 Americans

+12.6%

change since 2000 (was #19,222)

Rank	Surname	People	1 in
#18,676	Purpura	1,472	209,746
#18,685	Gettinger	1,471	209,888
#18,694	Klose	1,470	210,031

Who is named Flach

Race and Hispanic origin as people reported it in the 2010 Census

95% of people named Flach identified as white (not Hispanic), 2.6% as Hispanic or Latino (any race) and 1.2% as two or more races.

White (not Hispanic) 95%
Hispanic or Latino (any race) 2.6%
Two or more races 1.2%
Asian and Pacific Islander 0.7%

The Census suppresses very small shares to protect privacy; Black, Native American are not shown.

Compare: most common surnames among white Americans.

Famous Flachs

1 notable person on Wikidata, most written-about first

Jacinto Inácio Flach
Brazilian bishop, born 1952

Spellings and sound-alikes

Useful when a record has your ancestor under another spelling

Surnames that sound like Flach

Flach has the Soundex code F420, the code US census indexes have used since the 1930s. Every surname with code F420.

Other Czech surnames

All 96 Czech surnames

Questions

Where does the surname Flach come from?: * As a German surname, from Czech Vlach (“foreigner”). * Also as a German surname, from the adjective Flach (“flat”), see the German entry below. * Also as a German surname, from Middle High German vlach (“smooth, straight”). This is also borrowed into Czech.
How common is the surname Flach?: 1,471 people in the United States had the surname Flach in the 2010 Census, about 1 in every 209,888 Americans. It ranked 18,685th of 162,253 surnames.
What ethnicity is the surname Flach?: In the 2010 Census, 95% of people named Flach identified as white (not Hispanic), and 2.6% as Hispanic or Latino (any race).
Who is the most famous person named Flach?: Jacinto Inácio Flach, Brazilian bishop.
Where is the surname Flach most common?: Wikidata records people named Flach in Brazil.
Is the surname Flach getting more or less common?: More common. 1,306 people carried it in the 2000 Census and 1,471 in 2010, up 13%.