The actual town of La Paz was the seat of Yuma County between 1862 and 1870; it stood in the Confederate Arizona Territory, which existed briefly during the Civil War.
ðɪ ˈæktʃuːəl tˈaʊn ʌv lˌæ pˈæz wʌzðə sˈiːt ʌv jˈuːmə kˈaʊnti bᵻtwˌiːn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd sˈɪksti tˈuː ænd wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd sˈɛvənti; ɪt stˈʊd ɪnðə kənfˈɛdɚɹət ˌæɹɪzˈoʊnə tˈɛɹɪtˌoːɹi, wˌɪtʃ ɛɡzˈɪstᵻd bɹˈiːfli dˈʊɹɹɪŋ ðə sˈɪvəl wˈɔːɹ.